JP2000041576A - Production of powdered milk - Google Patents
Production of powdered milkInfo
- Publication number
- JP2000041576A JP2000041576A JP10230174A JP23017498A JP2000041576A JP 2000041576 A JP2000041576 A JP 2000041576A JP 10230174 A JP10230174 A JP 10230174A JP 23017498 A JP23017498 A JP 23017498A JP 2000041576 A JP2000041576 A JP 2000041576A
- Authority
- JP
- Japan
- Prior art keywords
- spray
- polyunsaturated fatty
- oil
- vitamin
- oils
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 235000008476 powdered milk Nutrition 0.000 title abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 60
- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 40
- 238000001694 spray drying Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 235000020777 polyunsaturated fatty acids Nutrition 0.000 claims description 57
- 239000000843 powder Substances 0.000 claims description 35
- 235000013336 milk Nutrition 0.000 claims description 32
- 239000008267 milk Substances 0.000 claims description 32
- 210000004080 milk Anatomy 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 19
- 239000003921 oil Substances 0.000 abstract description 62
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- 239000000796 flavoring agent Substances 0.000 abstract description 15
- 235000019634 flavors Nutrition 0.000 abstract description 14
- 238000005507 spraying Methods 0.000 abstract description 13
- 239000003549 soybean oil Substances 0.000 abstract description 9
- 235000012424 soybean oil Nutrition 0.000 abstract description 9
- 235000013305 food Nutrition 0.000 abstract description 6
- 239000003814 drug Substances 0.000 abstract description 4
- 235000021122 unsaturated fatty acids Nutrition 0.000 abstract description 4
- 150000004670 unsaturated fatty acids Chemical class 0.000 abstract description 4
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 abstract description 3
- 229910000365 copper sulfate Inorganic materials 0.000 abstract description 2
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- 230000000975 bioactive effect Effects 0.000 abstract 1
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- 230000001590 oxidative effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
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Landscapes
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Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、成分の異なる複数
の溶液をそれぞれ異なる噴霧ノズルで個別に噴霧乾燥し
ながら成分を混合する粉乳の製造法に関する。本発明の
方法によると、金属を含みかつ多価不飽和脂肪酸含有油
脂を含む粉乳等の品質、風味及び保存性を維持しなが
ら、効率的に製造することができる。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing milk powder in which a plurality of solutions having different components are individually spray-dried with different spray nozzles while mixing the components. ADVANTAGE OF THE INVENTION According to the method of this invention, it can manufacture efficiently, maintaining quality, flavor, and storability of powdered milk etc. which contain a metal and the polyunsaturated fatty acid containing fats and oils.
【0002】[0002]
【従来の技術】α−リノレン酸、γ−リノレン酸、ジホ
モ−γ−リノレン酸、アラキドン酸、エイコサペンタエ
ン酸及びドコサヘキサエン酸等の炭素数18以上で二重結
合を3個以上有する多価不飽和脂肪酸は、生体内におい
て、それ自体あるいはプロスタグランジン類に代謝さ
れ、血圧調整、ホルモン分泌調整、コレステロール濃度
調整等の生理作用を示すことから、これらの多価不飽和
脂肪酸を含有する大豆油、月見草油、シソ油、エゴマ油
及び魚油等の油脂を栄養食品、機能性食品、医薬品、化
粧品、飼料等に配合して利用する試みがなされている。2. Description of the Related Art Polyunsaturated compounds having 18 or more carbon atoms and three or more double bonds, such as α-linolenic acid, γ-linolenic acid, dihomo-γ-linolenic acid, arachidonic acid, eicosapentaenoic acid and docosahexaenoic acid. Fatty acids are metabolized in vivo by themselves or prostaglandins, and exhibit physiological effects such as blood pressure regulation, hormone secretion regulation, cholesterol concentration regulation, soybean oil containing these polyunsaturated fatty acids, Attempts have been made to use oils and fats such as evening primrose oil, perilla oil, perilla oil and fish oil in nutritional foods, functional foods, pharmaceuticals, cosmetics, feeds, and the like.
【0003】しかしながら、これらの多価不飽和脂肪酸
は、熱、光、酸素等により極めて酸化され易いという欠
点を有しており、加工中や保存中に、酸化による特有の
戻り臭や有害物質を産生するので、これらの多価不飽和
脂肪酸を含有する油脂を利用して、栄養食品、機能性食
品、医薬品、化粧品、飼料等を製造することは極めて難
しかった。[0003] However, these polyunsaturated fatty acids have a disadvantage that they are very easily oxidized by heat, light, oxygen and the like. Since it is produced, it has been extremely difficult to produce nutritious foods, functional foods, pharmaceuticals, cosmetics, feeds, and the like, using oils and fats containing these polyunsaturated fatty acids.
【0004】そこで、これらの多価不飽和脂肪酸を含有
する油脂やこの油脂を含有する食品等の酸化を防止する
目的で、種々の提案がなされている。例えば、酸化防止
剤や抗酸化相乗剤等を組み合わせて多価不飽和脂肪酸含
有油脂に添加する方法(特開昭 60-192547号公報、特開
昭 61-212243号公報、特開平2-166194号公報、特開平5-
140584号公報)や多価不飽和脂肪酸含有油脂、特に酸化
劣化が著しい魚油を飽和脂肪酸でエステル交換して改質
する方法(特開平8-269477号公報)等である。[0004] Therefore, various proposals have been made for the purpose of preventing oxidation of fats and oils containing these polyunsaturated fatty acids and foods and the like containing the fats and oils. For example, a method of adding an antioxidant, an antioxidant synergist, or the like to a polyunsaturated fatty acid-containing fat or oil (JP-A-60-192547, JP-A-61-212243, JP-A-2-166194) Gazette, Japanese Patent Laid-Open No. 5-
No. 140584), and a method of transesterifying a polyunsaturated fatty acid-containing fat and oil, particularly fish oil which is remarkably oxidatively degraded, with a saturated fatty acid (JP-A-8-269477).
【0005】ところで、多価不飽和脂肪酸含有油脂と
鉄、銅、亜鉛等の金属とが、溶液状態で接触した場合、
鉄、銅、亜鉛等の金属特有の異臭味が発生するばかり
か、多価不飽和脂肪酸が容易に酸化されて油脂の戻り臭
が発生する。これら多価不飽和脂肪酸含有油脂と鉄、
銅、亜鉛等の金属が共存する食品において、従来の抗酸
化剤等の使用や油脂自体の安定化法では、油脂の戻り臭
等の品質劣化を長期間抑制することができなかった。By the way, when the fats and oils containing polyunsaturated fatty acids come into contact with metals such as iron, copper and zinc in a solution state,
In addition to the generation of off-flavors peculiar to metals such as iron, copper and zinc, polyunsaturated fatty acids are easily oxidized and return odor of fats and oils is generated. These polyunsaturated fatty acid-containing fats and oils and iron,
In foods in which metals such as copper and zinc coexist, the conventional use of antioxidants and the like and stabilization of fats and oils themselves cannot suppress quality deterioration such as return odor of fats and oils for a long time.
【0006】この戻り臭を抑制する方法として、酸化防
止効果を有するレシチン等のマスキング剤を添加する方
法(特開平3-130042号公報)が開示されているが、マス
キング剤自体特有の臭気を有している場合があり、それ
が問題となることが多く、この技術を利用することがで
きる食品は限られているという問題がある。さらに、油
脂含有粉乳を製造する際に、不飽和脂肪酸含有油脂配合
O/W乳化液と不飽和脂肪酸の酸化を促進する鉄、銅、
亜鉛等の金属を含む溶液をそれぞれ個別に濃縮し噴霧乾
燥した後、粉々混合して酸化を防止する方法(特開平6-
245698)も開示されている。しかし、噴霧乾燥して得ら
れた粉体を混合するには、多大な労力と設備が必要であ
るという問題がある。As a method for suppressing the return odor, there is disclosed a method of adding a masking agent such as lecithin having an antioxidant effect (Japanese Patent Laid-Open No. 3-130042), but it has an odor peculiar to the masking agent itself. In some cases, this is a problem, and there is a problem that foods that can use this technology are limited. Furthermore, when producing oil-and-fat-containing milk powder, iron / copper that promotes oxidation of unsaturated fatty acids containing O / W emulsion containing unsaturated fatty acids and fats and oils,
A method for preventing oxidation by separately concentrating solutions containing metals such as zinc and spray-drying them, and then mixing them individually (Japanese Patent Laid-Open No.
245698) are also disclosed. However, there is a problem in that mixing the powder obtained by spray drying requires a great deal of labor and equipment.
【0007】一方、生体内で様々な生理作用を有する多
価不飽和脂肪酸と、生物の構成要素として極めて微量に
しか存在せず、かつ生体の正常な発育や生命維持に欠か
すことのできない物質である鉄、銅及び亜鉛等の金属と
が共存した食品を提供することは、非常に有用なことで
ある。しかし、多価不飽和脂肪酸は、鉄、銅及び亜鉛等
の金属と接触することにより、容易に酸化劣化するとい
う問題があった。例えば、人体への吸収性が高いといわ
れている二価の金属イオン(新小児医学大系3A小児栄
養学I,中山書店, 1998) を用いると、抗酸化剤等を添
加するのみでは多価不飽和脂肪酸の酸化を抑制すること
はできず、二価の金属イオンの強い酸化触媒能により、
溶液中で容易に多価不飽和脂肪酸は酸化変敗してしまう
という欠点があった。On the other hand, polyunsaturated fatty acids having various physiological actions in a living body are substances which are present in very small amounts as constituents of the living body and which are indispensable for normal growth and maintenance of the living body. It is very useful to provide foods that coexist with certain metals such as iron, copper and zinc. However, there has been a problem that polyunsaturated fatty acids are easily oxidized and deteriorated by contact with metals such as iron, copper and zinc. For example, if divalent metal ions (new pediatric medicine 3A pediatric nutrition I, Nakayama Shoten, 1998), which are said to be highly absorbable to the human body, are used, the addition of an antioxidant alone will result in multivalent ions. The oxidation of unsaturated fatty acids cannot be suppressed, and due to the strong oxidation catalytic ability of divalent metal ions,
There is a disadvantage that polyunsaturated fatty acids are easily oxidatively degraded in a solution.
【0008】[0008]
【発明が解決しようとする課題】本発明者らは、従来、
粉々混合することにより製造されていた金属を含みかつ
多価不飽和脂肪酸含有油脂を含む粉乳の製造法に関し
て、さらに、簡便でかつ効率的に製造することができる
技術を確立するべく鋭意研究を進めてきたところ、多価
不飽和脂肪酸含有油脂を含む溶液と金属を含む溶液とを
それぞれ異なる噴霧ノズルで個別に噴霧乾燥しながら成
分を混合することにより、従来の粉々混合と同様の品
質、風味及び保存性を有する粉乳を製造することができ
ることを見出した。そして、成分の異なる複数の溶液を
それぞれ異なる噴霧ノズルで個別に噴霧乾燥する際に、
噴霧ノズルの角度及び距離を調整して、それぞれの噴霧
傘が重なるように噴霧乾燥することにより、より成分の
分散性及び分級の良好な粉乳を製造することができるこ
とを見出し、本発明を完成するに至った。SUMMARY OF THE INVENTION The present inventors have conventionally
With regard to the method of producing powdered milk containing metal and fats and oils containing polyunsaturated fatty acids, which had been produced by powder mixing, intensive research is underway to establish a technology that can be produced simply and efficiently. However, by mixing the components while spray-drying the solution containing the polyunsaturated fatty acid-containing fat and oil and the solution containing the metal separately with different spray nozzles, the same quality, flavor and taste as those of the conventional powder mixture are obtained. It has been found that powdered milk having preservability can be produced. And when spray-drying a plurality of solutions having different components individually with different spray nozzles,
By adjusting the angle and distance of the spray nozzle and spray-drying so that each spray umbrella overlaps, it has been found that powdered milk having better dispersibility and classification of components can be produced, and the present invention is completed. Reached.
【0009】したがって、本発明は、成分の異なる複数
の溶液をそれぞれ異なる噴霧ノズルで個別に噴霧乾燥し
ながら成分を混合する粉乳の製造法、特に、噴霧ノズル
の角度及び距離を調整して、それぞれの噴霧傘が重なる
ように噴霧乾燥しながら成分を混合する粉乳の製造法を
提供することを課題とする。Accordingly, the present invention provides a method for producing milk powder in which a plurality of solutions having different components are individually spray-dried with different spray nozzles while mixing the components. It is an object of the present invention to provide a method for producing powdered milk in which components are mixed while spray-drying so that the spray umbrellas overlap.
【0010】[0010]
【課題を解決するための手段】本発明では、均一な成分
の単一溶液を複数の噴霧ノズルで効率良く噴霧乾燥する
技術であるマルチノズル噴霧方式(J. of the Society o
f Dairy Technology,vol.43, 1990) を基本的に採用
し、成分の異なる複数の溶液をそれぞれ異なる噴霧ノズ
ルで個別に噴霧乾燥しながら成分を混合して粉乳を製造
する。特に、本発明では、成分の異なる複数の溶液をそ
れぞれ別ラインの高圧ポンプを用いてそれぞれ異なる噴
霧ノズルから噴霧し乾燥しながら成分を混合するという
技術が新規であり、この技術により、溶液状態で接触す
ると影響を受けるような成分を個別に噴霧乾燥して、成
分が均一に混合された粉乳を製造することができる。According to the present invention, a multi-nozzle spray method (J. of the Society o) is a technique for spray-drying a single solution of uniform components efficiently with a plurality of spray nozzles.
f Dairy Technology, vol. 43, 1990), which mixes ingredients while spray-drying multiple solutions with different ingredients individually with different spray nozzles to produce milk powder. In particular, in the present invention, a technique of spraying a plurality of solutions having different components from different spray nozzles by using high-pressure pumps of different lines and mixing the components while drying is novel. The components that are affected upon contact can be individually spray dried to produce a powdered milk in which the components are uniformly mixed.
【0011】また、成分の異なる複数の溶液をそれぞれ
異なる噴霧ノズルで個別に噴霧乾燥しながら成分を混合
して粉乳を製造する際に、噴霧ノズルの角度及び距離を
調整して、それぞれの噴霧傘が重なるように噴霧乾燥す
ることにより、より分散性及び分級の良好な粉乳を製造
することができる。In addition, when a plurality of solutions having different components are individually spray-dried with different spray nozzles and the components are mixed to produce milk powder, the angle and distance of the spray nozzles are adjusted, and each spray umbrella is adjusted. By spray-drying so as to overlap with each other, powdered milk having better dispersibility and classification can be produced.
【0012】[0012]
【発明の実施の形態】本発明では、成分の異なる複数の
溶液をそれぞれ別ラインの高圧ポンプを用いてそれぞれ
異なる噴霧ノズルから噴霧し乾燥しながら成分を混合し
て、品質、風味及び保存性の良好な粉乳を製造する。DESCRIPTION OF THE PREFERRED EMBODIMENTS In the present invention, a plurality of solutions having different components are sprayed from different spray nozzles using high-pressure pumps of different lines, and the components are mixed while being dried. Produces good milk powder.
【0013】例えば、本発明の方法で、金属を含みかつ
多価不飽和脂肪酸含有油脂を含む粉乳を製造する場合に
ついて説明する。まず、多価不飽和脂肪酸含有油脂を含
む溶液をO/W乳化濃縮液とし、また、多価不飽和脂肪
酸の酸化を促進する物質である鉄、銅及び亜鉛等の金属
を含む溶液を別個に調整し、それぞれの溶液をそれぞれ
別ラインの高圧ポンプを用いてそれぞれ異なる噴霧ノズ
ルから噴霧し乾燥しながら成分を混合して、品質、風味
及び保存性の良好な金属を含みかつ多価不飽和脂肪酸含
有油脂を含む粉乳を製造する。For example, the case of producing milk powder containing a metal and a fat containing a polyunsaturated fatty acid by the method of the present invention will be described. First, a solution containing polyunsaturated fatty acid-containing fats and oils is used as an O / W emulsified concentrate, and a solution containing metals such as iron, copper, and zinc that promote oxidation of polyunsaturated fatty acids is separately prepared. Each solution is sprayed from a different spray nozzle using a different line high-pressure pump, and the ingredients are mixed while drying to obtain a polyunsaturated fatty acid containing a metal having good quality, flavor and storage stability. Produces milk powder containing fats and oils.
【0014】本発明で、粉乳の原料となる蛋白質として
は、カゼイン、乳清蛋白質濃縮物(WPC)、乳清蛋白
質分離物(WPI)、αs −カゼイン、β−カゼイン、
α−ラクトアルブミン、β−ラクトグロブリン等の乳蛋
白質及び乳蛋白質分画物、卵蛋白質等の動物性蛋白質や
大豆蛋白質、小麦蛋白質等の植物性蛋白質、また、これ
らの蛋白質を酵素等により種々の鎖長に分解したペプチ
ド、さらに、タウリン、シスチン、システイン、アルギ
ニン及びグルタミン等のアミノ酸を単独であるいは混合
して使用することができる。In the present invention, the proteins used as the raw materials of the milk powder include casein, whey protein concentrate (WPC), whey protein isolate (WPI), α s -casein, β-casein,
Milk proteins and milk protein fractions such as α-lactalbumin and β-lactoglobulin, animal proteins such as egg proteins, soybean proteins, vegetable proteins such as wheat proteins, and these proteins are variously treated with enzymes and the like. Peptides decomposed to a chain length, and amino acids such as taurine, cystine, cysteine, arginine and glutamine can be used alone or in combination.
【0015】本発明で、粉乳の原料となる油脂として
は、乳脂肪、ラード、牛脂及び魚油等の動物性油脂や大
豆油、ナタネ油、コーン油、ヤシ油、パーム油、パーム
核油、サフラワー油、エゴマ油、アマニ油、月見草油、
MCT及び綿実油等の植物性油脂、また、それらの分別
油、水素添加油及びエステル交換油を単独であるいは混
合して使用することができる。In the present invention, the fats and oils used as the raw material of the milk powder include milk fat, lard, beef tallow, fish oil and other animal fats and oils, soybean oil, rapeseed oil, corn oil, coconut oil, palm oil, palm kernel oil, coconut oil Flower oil, perilla oil, linseed oil, evening primrose oil,
Vegetable oils and fats such as MCT and cottonseed oil, and their fractionated oils, hydrogenated oils, and transesterified oils can be used alone or in combination.
【0016】本発明で、粉乳の原料となる糖質として
は、デンプン、可溶性多糖類、デキストリン、ショ糖、
乳糖、麦芽糖、ブドウ糖やガラクトオリゴ糖、フラクト
オリゴ糖、ラクチュロース等のオリゴ糖、また、人工甘
味料等を単独であるいは混合して使用することができ
る。その他、ビタミン類やミネラル類を粉乳の原料とし
て使用することができる。In the present invention, the carbohydrates used as raw materials for powdered milk include starch, soluble polysaccharides, dextrin, sucrose,
Oligosaccharides such as lactose, maltose, glucose, galactooligosaccharides, fructooligosaccharides, lactulose, and artificial sweeteners can be used alone or in combination. In addition, vitamins and minerals can be used as raw materials for milk powder.
【0017】これらの物質を多価不飽和脂肪酸含有油脂
を含むO/W乳化濃縮液か、あるいは、鉄、銅及び亜鉛
等の金属を含む溶液か、いずれにしても悪影響を与えな
い方の溶液に添加して、本発明の方法を実施すれば良
い。なお、個別の噴霧ノズルから噴霧し乾燥しながら成
分を均一に混合するための注意点としては、噴霧するそ
れぞれの溶液の噴霧比率を一定にし、かつ噴霧開始及び
終了を同時にする必要がある。したがって、それぞれの
溶液の総量から、単位時間当たりの噴霧比率を算出し、
噴霧ノズルに組み込むオリフィスやコアを適宜選択して
おく必要がある。また、噴霧ノズルについては、角度及
び距離を調整し、それぞれの噴霧傘が1%〜90%で重な
るように噴霧乾燥することが好ましく、それぞれの噴霧
傘の重なりが1〜60%であることがより好ましい。These substances are either O / W emulsified concentrates containing fats and oils containing polyunsaturated fatty acids, or solutions containing metals such as iron, copper and zinc, and a solution which does not adversely affect either. And the method of the present invention may be carried out. Note that, as a precaution for uniformly mixing the components while spraying and drying from individual spray nozzles, it is necessary to keep the spray ratio of each solution to be sprayed constant and to simultaneously start and end spraying. Therefore, from the total amount of each solution, calculate the spray ratio per unit time,
It is necessary to appropriately select an orifice and a core to be incorporated in the spray nozzle. Further, for the spray nozzle, it is preferable to adjust the angle and the distance and spray-dry such that each spray umbrella overlaps by 1% to 90%, and the overlap of each spray umbrella is 1 to 60%. More preferred.
【0018】なお、本発明の対象となる多価不飽和脂肪
酸含有油脂としては、α−リノレン酸、γ−リノレン
酸、ジホモ−γ−リノレン酸、アラキドン酸、エイコサ
ペンタエン酸及びドコサヘキサエン酸等の炭素数が18以
上で二重結合を3個有する多価不飽和脂肪酸を含有する
ものであれば特に限定はされず、例えば、大豆油、月見
草油、ボラージ油、クロスグリ油、シソ油、エゴマ油、
魚油、卵黄リン脂質抽出物及び微生物発酵生産物等を挙
げることができる。The fats and oils containing polyunsaturated fatty acids to be used in the present invention include carbon oils such as α-linolenic acid, γ-linolenic acid, dihomo-γ-linolenic acid, arachidonic acid, eicosapentaenoic acid and docosahexaenoic acid. The number is not particularly limited as long as it contains a polyunsaturated fatty acid having 18 or more and three double bonds. For example, soybean oil, evening primrose oil, borage oil, blackcurrant oil, perilla oil, perilla oil,
Examples include fish oil, yolk phospholipid extract, and microbial fermentation products.
【0019】また、本発明の対象となる金属としては、
硫酸銅、炭酸第二銅、クエン酸第二銅、硫酸第二銅及び
グルコン酸銅等の銅塩、炭酸第一鉄、フマル酸第一鉄、
コハク酸第一鉄、塩化第二鉄、クエン酸第一鉄、クエン
酸第二鉄、クエン酸第一鉄ナトリウム、クエン酸鉄アン
モニウム、グルコン酸第一鉄、グルコン酸第二鉄、乳酸
第一鉄、水素還元鉄、電解鉄、カルボニル鉄、ピロリン
酸第一鉄、ピロリン酸第二鉄、ピロリン酸第二鉄ナトリ
ウム及び硫酸第一鉄等の鉄塩、酢酸亜鉛、塩化亜鉛、酸
化亜鉛、グルコン酸亜鉛及び硫酸亜鉛等の亜鉛塩等を挙
げることができる。Further, the metal which is an object of the present invention includes:
Copper sulfate, cupric carbonate, cupric citrate, copper salts such as cupric sulfate and copper gluconate, ferrous carbonate, ferrous fumarate,
Ferrous succinate, ferric chloride, ferrous citrate, ferric citrate, sodium ferrous citrate, ammonium ammonium citrate, ferrous gluconate, ferric gluconate, ferrous lactic acid Iron, hydrogen reduced iron, electrolytic iron, carbonyl iron, ferrous pyrophosphate, ferric pyrophosphate, iron salts such as sodium ferric pyrophosphate and ferrous sulfate, zinc acetate, zinc chloride, zinc oxide, glucone Examples thereof include zinc salts such as zinc acid and zinc sulfate.
【0020】このようにして得られた金属を含みかつ多
価不飽和脂肪酸含有油脂を含む粉乳は、品質、風味及び
保存性の点において、極めて好ましい製品となってお
り、この製品は長期間安定した品質を維持するものであ
った。The powdered milk containing the metal and the fat containing the polyunsaturated fatty acid thus obtained is a very preferable product in terms of quality, flavor and storage stability, and this product is stable for a long time. Quality was maintained.
【0021】次に、実施例及び試験例を示し、本発明を
詳しく説明する。Next, the present invention will be described in detail with reference to Examples and Test Examples.
【実施例1】乳清蛋白質濃縮物(WPC)8.8kg 及び乳
糖52kgを水 200kgに加えた溶液に、牛乳75kg及びアルカ
リで溶解したカゼイン 3.9kg、水溶性ビタミン成分(ビ
タミンB1 、ビタミンB2 、ナイアシン、ビタミン
B6 、ビオチン、葉酸、パントテン酸、ビタミンB12、
ビタミンC、コリン及びイノシトール)及びミネラル成
分(カルシウム、リン、塩素、マグネシウム、カリウ
ム、ヨウ素、マンガン及びセレン)1.45kg、さらに、脂
溶性ビタミン(ビタミンA、β−カロチン、ビタミン
D、ビタミンE及びビタミンK)及び酸化防止剤 (ビタ
ミンCパルミチン酸エステル、レシチン及びトコフェロ
ール) を含む多価不飽和脂肪酸含有油脂(大豆油、月見
草油及び魚油)25kgを加えて混合し、均質化した後、加
熱殺菌して、固形率が40%となるまで濃縮した多価不飽
和脂肪酸含有油脂を含むO/W乳化濃縮液247kgを得
た。一方、アルカリで溶解したカゼイン1kgを含む5%
濃度のカゼイン溶液を調製し、このカゼイン溶液に、
銅、鉄及び亜鉛0.05kgを水で溶解して加えて、4%濃度
の金属結合カゼイン溶液25kgを得た。Example 1 A solution of 8.8 kg of whey protein concentrate (WPC) and 52 kg of lactose in 200 kg of water was added to 75 kg of milk and 3.9 kg of casein dissolved with alkali, and water-soluble vitamin components (vitamin B 1 and vitamin B 2). , Niacin, vitamin B 6 , biotin, folic acid, pantothenic acid, vitamin B 12 ,
1.45 kg of vitamin C, choline and inositol and mineral components (calcium, phosphorus, chlorine, magnesium, potassium, iodine, manganese and selenium), and fat-soluble vitamins (vitamin A, β-carotene, vitamin D, vitamin E and vitamins) K) and 25 kg of fats and oils containing polyunsaturated fatty acids (soybean oil, evening primrose oil and fish oil) containing antioxidants (vitamin C palmitate, lecithin and tocopherol), mix, homogenize and heat sterilize. Thus, 247 kg of an O / W emulsified concentrate containing polyunsaturated fatty acid-containing fats and oils concentrated to a solid content of 40% was obtained. On the other hand, 5% containing 1 kg of casein dissolved in alkali
A casein solution having a concentration is prepared.
0.05 kg of copper, iron and zinc were dissolved in water and added to obtain 25 kg of a 4% strength metal-bound casein solution.
【0022】この多価不飽和脂肪酸含有油脂を含むO/
W乳化濃縮液及び金属結合カゼイン溶液を91:9の液量
比で、乾燥機上部に設置した各噴霧ノズル(Type SX SPR
AYDRY NOZZLE、SPRAYING SYSTEM'S CO.)から、それぞれ
別ラインの高圧ポンプを用いて噴霧した。また、各噴霧
ノズルについては、それぞれの噴霧傘の重なりが60%程
度になるよう角度及び距離を調整して設置した。なお、
噴霧に際しては、多価不飽和脂肪酸含有油脂を含むO/
W乳化濃縮液の噴霧ノズルはオリフィスNo54及びコアNo
21とし、金属結合カゼイン溶液の噴霧ノズルはオリフィ
スNo71及びコアNo16として、定常状態における噴霧圧力
を 140kg/cm2とした。そして、銅、鉄及び亜鉛等の金属
を含みかつ多価不飽和脂肪酸含有油脂を含む粉乳 100kg
を製造した。The O / O containing the polyunsaturated fatty acid-containing oil / fat
Each of the spray nozzles (Type SX SPR) installed at the top of the dryer at a liquid volume ratio of W emulsified concentrate and metal-bound casein solution of 91: 9
AYDRY NOZZLE and SPRAYING SYSTEM'S CO.) Were sprayed using high pressure pumps on separate lines. In addition, each spray nozzle was installed with its angle and distance adjusted so that the overlap of each spray umbrella was about 60%. In addition,
At the time of spraying, O /
Spray nozzle of W emulsified concentrate is orifice No54 and core No.
The orifice No. 71 and the core No. 16 were spray nozzles of the metal-bound casein solution, and the spray pressure in a steady state was 140 kg / cm 2 . And 100 kg of milk powder containing metals such as copper, iron and zinc and fats and oils containing polyunsaturated fatty acids
Was manufactured.
【0023】[0023]
【実施例2】乳清蛋白質濃縮物(WPC)9.4kg 及び乳
糖55kgを水 300kgに加えた溶液に、アルカリで溶解した
カゼイン 6.1kg、水溶性ビタミン成分(ビタミンB1 、
ビタミンB2 、ナイアシン、ビタミンB6 、ビオチン、
葉酸、パントテン酸、ビタミンB12、ビタミンC、コリ
ン及びイノシトール)及びミネラル成分(カルシウム、
リン、塩素、マグネシウム、カリウム、ヨウ素、マンガ
ン及びセレン)1.95kg、さらに、脂溶性ビタミン(ビタ
ミンA、β−カロチン、ビタミンD、ビタミンE及びビ
タミンK)及び酸化防止剤 (ビタミンCパルミチン酸エ
ステル、レシチン及びトコフェロール) を含む多価不飽
和脂肪酸含有油脂(大豆油、月見草油、魚油及び微生物
発酵生産物)27.8kgを加えて混合し、均質化した後、加
熱殺菌して、固形率が40%となるまで濃縮した多価不飽
和脂肪酸含有油脂を含むO/W乳化濃縮液 247kgを得
た。一方、アルカリで溶解したカゼイン1kgを含む5%
濃度のカゼイン溶液を調製し、このカゼイン溶液に、
銅、鉄及び亜鉛0.05kgを水で溶解して加えて、4%濃度
の金属結合カゼイン溶液25kgを得た。EXAMPLE 2 6.1 kg of casein dissolved with alkali in a solution obtained by adding 9.4 kg of whey protein concentrate (WPC) and 55 kg of lactose to 300 kg of water, water-soluble vitamin components (vitamin B 1 ,
Vitamin B 2 , niacin, vitamin B 6 , biotin,
Folic acid, pantothenic acid, vitamin B 12, vitamin C, choline and inositol) and mineral components (calcium,
1.95 kg of phosphorus, chlorine, magnesium, potassium, iodine, manganese and selenium, plus fat-soluble vitamins (vitamin A, β-carotene, vitamin D, vitamin E and vitamin K) and antioxidants (vitamin C palmitate, 27.8 kg of fats and oils containing polyunsaturated fatty acids (lecithin and tocopherol) (soybean oil, evening primrose oil, fish oil and fermented microbial products) are added, mixed, homogenized, and heat-sterilized to obtain a solid content of 40%. Thus, 247 kg of an O / W emulsified concentrate containing polyunsaturated fatty acid-containing fats and oils concentrated until the concentration reached 247 kg was obtained. On the other hand, 5% containing 1 kg of casein dissolved in alkali
A casein solution having a concentration is prepared.
0.05 kg of copper, iron and zinc were dissolved in water and added to obtain 25 kg of a 4% strength metal-bound casein solution.
【0024】この多価不飽和脂肪酸含有油脂を含むO/
W乳化濃縮液及び金属結合カゼイン溶液を91:9の液量
比で、乾燥機上部に設置した各噴霧ノズル(Type SX SPR
AYDRY NOZZLE、SPRAYING SYSTEM'S CO.)から、それぞれ
別ラインの高圧ポンプを用いて噴霧した。また、各噴霧
ノズルについては、それぞれの噴霧傘の重なりが90%程
度になるよう角度及び距離を調整して設置した。なお、
噴霧に際しては、多価不飽和脂肪酸含有油脂を含むO/
W乳化濃縮液の噴霧ノズルはオリフィスNo54及びコアNo
21とし、金属結合カゼイン溶液の噴霧ノズルはオリフィ
スNo71及びコアNo16として、定常状態における噴霧圧力
を 140kg/cm2とした。そして、銅、鉄及び亜鉛等の金属
を含みかつ多価不飽和脂肪酸含有油脂を含む粉乳 100kg
を製造した。O / O containing this polyunsaturated fatty acid-containing fat or oil
Each of the spray nozzles (Type SX SPR) installed at the top of the dryer at a liquid volume ratio of W emulsified concentrate and metal-bound casein solution of 91: 9
AYDRY NOZZLE and SPRAYING SYSTEM'S CO.) Were sprayed using high pressure pumps on separate lines. Further, each spray nozzle was installed with its angle and distance adjusted so that the overlap of each spray umbrella was about 90%. In addition,
At the time of spraying, O /
Spray nozzle of W emulsified concentrate is orifice No54 and core No.
The orifice No. 71 and the core No. 16 were spray nozzles of the metal-bound casein solution, and the spray pressure in a steady state was 140 kg / cm 2 . And 100 kg of milk powder containing metals such as copper, iron and zinc and fats and oils containing polyunsaturated fatty acids
Was manufactured.
【0025】[0025]
【実施例3】乳清蛋白質濃縮物(WPC)9.4kg 及び乳
糖55kgを水 300kgに加えた溶液に、アルカリで溶解した
カゼイン 6.1kg、水溶性ビタミン成分(ビタミンB1 、
ビタミンB2 、ナイアシン、ビタミンB6 、ビオチン、
葉酸、パントテン酸、ビタミンB12、ビタミンC、コリ
ン及びイノシトール)及ミネラル成分(カルシウム、リ
ン、塩素、マグネシウム、カリウム、ヨウ素、マンガン
及びセレン)1.95kg、さらに、脂溶性ビタミン(ビタミ
ンA、β−カロチン、ビタミンD、ビタミンE及びビタ
ミンK)を含む多価不飽和脂肪酸含有油脂(大豆油、月
見草油、魚油及び卵黄リン脂質抽出物)27.6kgを加えて
混合し、均質化した後、加熱殺菌して、固形率が40%と
なるまで濃縮した多価不飽和脂肪酸含有油脂を含むO/
W乳化濃縮液 247kgを得た。一方、アルカリで溶解した
カゼイン1kgを含む5%濃度のカゼイン溶液を調製し、
このカゼイン溶液に、銅、鉄及び亜鉛0.05kgを水で溶解
して加えて、4%濃度の金属結合カゼイン溶液25kgを得
た。Example 3 6.1 kg of casein dissolved in alkali by adding 9.4 kg of whey protein concentrate (WPC) and 55 kg of lactose to 300 kg of water, water-soluble vitamin components (vitamin B 1 ,
Vitamin B 2 , niacin, vitamin B 6 , biotin,
Folic acid, pantothenic acid, vitamin B 12, vitamin C, choline and inositol)及mineral components (calcium, phosphorus, chlorine, magnesium, potassium, iodine, manganese and selenium) 1.95 kg, further fat-soluble vitamins (vitamin A, beta- Add 27.6kg of fats and oils containing polyunsaturated fatty acids (soybean oil, evening primrose oil, fish oil and egg yolk phospholipid extract) containing carotene, vitamin D, vitamin E and vitamin K), mix, homogenize and heat sterilize And O / O containing polyunsaturated fatty acid-containing fats and oils concentrated to a solid content of 40%
247 kg of W emulsion concentrate was obtained. On the other hand, a 5% casein solution containing 1 kg of casein dissolved in alkali was prepared,
To this casein solution, 0.05 kg of copper, iron, and zinc dissolved in water was added to obtain 25 kg of a 4% concentration metal-bound casein solution.
【0026】この多価不飽和脂肪酸含有油脂を含むO/
W乳化濃縮液及び金属結合カゼイン溶液を91:9の液量
比で、乾燥機上部に設置した各噴霧ノズル(Type SX SPR
AYDRY NOZZLE、SPRAYING SYSTEM'S CO.)から、それぞれ
別ラインの高圧ポンプを用いて噴霧した。また、各噴霧
ノズルについては、それぞれの噴霧傘の重なりが90%程
度になるよう角度及び距離を調整して設置した。なお、
噴霧に際しては、多価不飽和脂肪酸含有油脂を含むO/
W乳化濃縮液の噴霧ノズルはオリフィスNo54及びコアNo
21とし、金属結合カゼイン溶液の噴霧ノズルはオリフィ
スNo71及びコアNo16として、定常状態における噴霧圧力
を 140kg/cm2とした。そして、銅、鉄及び亜鉛等の金属
を含みかつ多価不飽和脂肪酸含有油脂を含む粉乳 100kg
を製造した。O / O containing the polyunsaturated fatty acid-containing fat or oil
Each of the spray nozzles (Type SX SPR) installed at the top of the dryer at a liquid volume ratio of W emulsified concentrate and metal-bound casein solution of 91: 9
AYDRY NOZZLE and SPRAYING SYSTEM'S CO.) Were sprayed using high pressure pumps on separate lines. Further, each spray nozzle was installed with its angle and distance adjusted so that the overlap of each spray umbrella was about 90%. In addition,
At the time of spraying, O /
Spray nozzle of W emulsified concentrate is orifice No54 and core No.
The orifice No. 71 and the core No. 16 were spray nozzles of the metal-bound casein solution, and the spray pressure in a steady state was 140 kg / cm 2 . And 100 kg of milk powder containing metals such as copper, iron and zinc and fats and oils containing polyunsaturated fatty acids
Was manufactured.
【0027】[0027]
【実施例4】乳清蛋白質濃縮物(WPC)7.5kg 及び乳
糖40.3kgを加えた脱脂乳 240kgに、アルカリで溶解した
カゼイン 70g、水溶性ビタミン成分(ビタミンB1 、ビ
タミンB2 、ナイアシン、ビタミンB6 、ビオチン、葉
酸、パントテン酸、ビタミンB12、ビタミンC、コリン
及びイノシトール)及びミネラル成分(カルシウム、リ
ン、塩素、マグネシウム、カリウム、ヨウ素、マンガン
及びセレン)0.65kg、さらに、脂溶性ビタミン(ビタミ
ンA、β−カロチン、ビタミンD、ビタミンE及びビタ
ミンK)及び酸化防止剤 (レシチン及びトコフェロー
ル) を含む多価不飽和脂肪酸含有油脂(大豆油、月見草
油、魚油、微生物発酵生産物及び卵黄リン脂質抽出物)
28.1kgを加えて混合し、均質化した後、加熱殺菌して、
固形率が40%となるまで濃縮した多価不飽和脂肪酸含有
油脂を含むO/W乳化濃縮液 247kgを得た。一方、乳糖
3.75kgを含む16%濃度の乳糖溶液を調製し、この乳糖溶
液に、銅、鉄及び亜鉛0.05kgを水で溶解して加えて、15
%濃度の金属含有乳糖溶液25kgを得た。Example 4 Into 240 kg of skim milk to which 7.5 kg of whey protein concentrate (WPC) and 40.3 kg of lactose were added, 70 g of casein dissolved with alkali, water-soluble vitamin components (vitamin B 1 , vitamin B 2 , niacin, vitamin B 6, biotin, folic acid, pantothenic acid, vitamin B 12, vitamin C, choline and inositol) and mineral components (calcium, phosphorus, chlorine, magnesium, potassium, iodine, manganese and selenium) 0.65 kg, further fat-soluble vitamins ( Fats and oils containing polyunsaturated fatty acids (soybean oil, evening primrose oil, fish oil, microbial fermentation products and egg yolk phosphorus including vitamin A, β-carotene, vitamin D, vitamin E and vitamin K) and antioxidants (lecithin and tocopherol) Lipid extract)
Add 28.1 kg, mix, homogenize, heat sterilize,
247 kg of an O / W emulsified concentrate containing polyunsaturated fatty acid-containing fats and oils concentrated to a solid content of 40% was obtained. Meanwhile, lactose
Prepare a 16% lactose solution containing 3.75 kg, add copper, iron and zinc 0.05 kg dissolved in water to this lactose solution and add
25 kg of a metal-containing lactose solution with a concentration of 25% were obtained.
【0028】この多価不飽和脂肪酸含有油脂を含むO/
W乳化濃縮液及び金属含有乳糖溶液を91:9の液量比
で、乾燥機上部に設置した各噴霧ノズル(Type SX SPRAY
DRY NOZZLE、SPRAYING SYSTEM'S CO.)から、それぞれ別
ラインの高圧ポンプを用いて噴霧した。また、各噴霧ノ
ズルについては、それぞれの噴霧傘の重なりが90%程度
になるよう角度及び距離を調整して設置した。なお、噴
霧に際しては、多価不飽和脂肪酸含有油脂を含むO/W
乳化濃縮液の噴霧ノズルはオリフィスNo54及びコアNo21
とし、金属含有乳糖溶液の噴霧ノズルはオリフィスNo71
及びコアNo16として、定常状態における噴霧圧力を 140
kg/cm2とした。そして、銅、鉄及び亜鉛等の金属を含み
かつ多価不飽和脂肪酸含有油脂を含む粉乳 100kgを製造
した。The O / O containing the polyunsaturated fatty acid-containing fat or oil
Each of the spray nozzles (Type SX SPRAY) installed above the dryer at a liquid volume ratio of W emulsified concentrate and metal-containing lactose solution of 91: 9
DRY NOZZLE, SPRAYING SYSTEM'S CO.), And sprayed using high pressure pumps on separate lines. Further, each spray nozzle was installed with its angle and distance adjusted so that the overlap of each spray umbrella was about 90%. At the time of spraying, O / W containing polyunsaturated fatty acid-containing fats and oils was used.
Nozzle No. 54 and Core No. 21 for spray nozzle of emulsified concentrate
The spray nozzle for the lactose solution containing metal is orifice No71.
And for core No. 16, the spray pressure in the steady state is 140
kg / cm 2 . Then, 100 kg of milk powder containing metals such as copper, iron and zinc and fats and oils containing polyunsaturated fatty acids was produced.
【0029】[0029]
【実施例5】実施例2と同様にして得られた多価不飽和
脂肪酸含有油脂を含むO/W乳化濃縮液及び金属結合カ
ゼイン溶液について、それぞれの噴霧傘の重なりが95%
程度になるよう角度及び距離を調整して設置した各噴霧
ノズルを用いる以外は、実施例2と同様に噴霧乾燥し、
銅、鉄及び亜鉛等の金属を含みかつ多価不飽和脂肪酸含
有油脂を含む粉乳 100kgを製造した。Example 5 With respect to the O / W emulsified concentrate containing a polyunsaturated fatty acid-containing fat and oil and the metal-bound casein solution obtained in the same manner as in Example 2, the overlap of the spray umbrellas was 95%.
Spray drying in the same manner as in Example 2 except that each spray nozzle was installed by adjusting the angle and distance so that
100 kg of milk powder containing metals such as copper, iron and zinc and fats and oils containing polyunsaturated fatty acids was produced.
【0030】[0030]
【比較例1】実施例1と同様にして得られた多価不飽和
脂肪酸含有油脂を含むO/W乳化濃縮液及び金属結合カ
ゼイン溶液を混合した後、噴霧乾燥し、銅、鉄及び亜鉛
等の金属を含みかつ多価不飽和脂肪酸含有油脂を含む粉
乳 100kgを製造した。COMPARATIVE EXAMPLE 1 An O / W emulsified concentrate containing a polyunsaturated fatty acid-containing fat and oil obtained in the same manner as in Example 1 and a metal-bound casein solution were mixed, followed by spray drying and copper, iron, zinc, etc. 100 kg of powdered milk containing the above metals and fats and oils containing polyunsaturated fatty acids was produced.
【0031】[0031]
【比較例2】乳清蛋白質濃縮物(WPC)8.8kg 及び乳
糖45kgを水 200kgに加えた溶液に、牛乳75kg及びアルカ
リで溶解したカゼイン 4.9kg、水溶性ビタミン成分(ビ
タミンB1 、ビタミンB2 、ナイアシン、ビタミン
B6 、ビオチン、葉酸、パントテン酸、ビタミンB12、
ビタミンC、コリン及びイノシトール)及びミネラル成
分(カルシウム、リン、塩素、マグネシウム、カリウ
ム、ヨウ素、マンガン及びセレン)1.45kg、さらに、脂
溶性ビタミン(ビタミンA、β−カロチン、ビタミン
D、ビタミンE及びビタミンK)及び酸化防止剤 (ビタ
ミンCパルミチン酸エステル、レシチン及びトコフェロ
ール) を含む多価不飽和脂肪酸含有油脂(大豆油、月見
草油、魚油及び卵黄リン脂質抽出物)25.2kgを加えて混
合し、均質化した後、加熱殺菌して、固形率が40%とな
るまで濃縮した多価不飽和脂肪酸含有油脂を含むO/W
乳化濃縮液を噴霧乾燥し、多価不飽和脂肪酸含有油脂を
含む粉乳93kgを得た。一方、乳糖7kg、銅、鉄及び亜鉛
0.05kgを混合し、均等に媒散した後、粉砕機で充分微細
化し、鉄、銅及び亜鉛を含む粉糖 7.05gを得た。そし
て、この多価不飽和脂肪酸含有油脂を含む粉乳と鉄、銅
及び亜鉛を含む粉糖とを粉々混合し、銅、鉄及び亜鉛等
の金属を含みかつ多価不飽和脂肪酸含有油脂を含む粉乳
100kgを製造した。Comparative Example 2 75 kg of milk and 4.9 kg of alkali-dissolved casein were added to a solution obtained by adding 8.8 kg of whey protein concentrate (WPC) and 45 kg of lactose to 200 kg of water, and water-soluble vitamin components (vitamin B 1 and vitamin B 2). , Niacin, vitamin B 6 , biotin, folic acid, pantothenic acid, vitamin B 12 ,
1.45 kg of vitamin C, choline and inositol and mineral components (calcium, phosphorus, chlorine, magnesium, potassium, iodine, manganese and selenium), and fat-soluble vitamins (vitamin A, β-carotene, vitamin D, vitamin E and vitamins) K) and 25.2 kg of fats and oils containing polyunsaturated fatty acids (soybean oil, evening primrose oil, fish oil and egg yolk phospholipid extract) containing antioxidants (vitamin C palmitate, lecithin and tocopherol), mix and homogenize O / W containing polyunsaturated fatty acid-containing fats and oils concentrated by heating and sterilizing until the solid content becomes 40%.
The emulsified concentrate was spray-dried to obtain 93 kg of milk powder containing fats and oils containing polyunsaturated fatty acids. On the other hand, lactose 7kg, copper, iron and zinc
After mixing 0.05 kg and uniformly dispersing, 0.055 g of powdered sugar containing iron, copper and zinc was obtained by sufficiently pulverizing with a pulverizer. Then, the powdered milk containing the polyunsaturated fatty acid-containing fat and oil and the powdered sugar containing iron, copper and zinc are mixed together, and the powdered milk containing the metal such as copper, iron and zinc and the polyunsaturated fatty acid-containing fat and oil are mixed.
100 kg was manufactured.
【0032】[0032]
【試験例1】比較例1で得られた粉乳については、単一
溶液として噴霧乾燥しているので、微量成分である鉄、
銅及び亜鉛の分散性に問題はないが、実施例1〜5で得
られた粉乳や比較例2で得られた粉乳については、微量
成分である鉄、銅及び亜鉛の分散性を確認しておく必要
がある。そこで、実施例1、実施例2及び比較例2で得
られたそれぞれの粉乳について、ランダムに3点(A
点、B点及びC点)で試料を採取し、鉄、銅及び亜鉛の
含量を分析した。その結果を表1に示す。Test Example 1 The powdered milk obtained in Comparative Example 1 was spray-dried as a single solution, so that iron, which is a trace component,
There is no problem in the dispersibility of copper and zinc, but for the milk powder obtained in Examples 1 to 5 and the milk powder obtained in Comparative Example 2, the dispersibility of iron, copper and zinc, which are trace components, was confirmed. Need to be kept. Therefore, for each of the milk powders obtained in Example 1, Example 2 and Comparative Example 2, three points (A
(Points, B and C) were sampled and analyzed for iron, copper and zinc content. Table 1 shows the results.
【0033】[0033]
【表1】 ──────────────────────────────────── 鉄含量 銅含量 亜鉛含量 ──────── ──────── ──────── A点 B点 C点 A点 B点 C点 A点 B点 C点 ──────────────────────────────────── 実施例1 5.98 6.01 6.10 0.37 0.35 0.35 2.70 2.65 2.74 実施例2 6.23 6.22 6.30 0.32 0.38 0.38 2.61 2.51 2.50 比較例2 6.13 6.13 6.02 0.35 0.36 0.36 2.54 2.59 2.51 ──────────────────────────────────── (単位:mg%) [Table 1] 鉄 Iron content Copper content Zinc content ──── ──── ──────── 点 Point A Point B Point C Point A Point B Point C Point A Point B Point C Point ──────────── ──────────────────────── Example 1 5.98 6.01 6.10 0.37 0.35 0.35 2.70 2.65 2.74 Example 2 6.23 6.22 6.30 0.32 0.38 0.38 2.61 2.51 2.50 Comparative example 2 6.13 6.13 6.02 0.35 0.36 0.36 2.54 2.59 2.51 ──────────────────────────────────── (Unit: mg %)
【0034】また、実施例1及び実施例2で得られたそ
れぞれの粉乳について、目開き 150μm の篩で、メッシ
ュアップ及びメッシュアンダーの2種類に篩い分けし、
鉄及び銅の含量を分析した。その結果を表2に示す。Each of the milk powders obtained in Example 1 and Example 2 was sieved into two types of mesh-up and mesh-under with a 150 μm mesh sieve.
The contents of iron and copper were analyzed. Table 2 shows the results.
【0035】[0035]
【表2】 [Table 2]
【0036】これらの分析結果によると、実施例1、実
施例2及び比較例2で得られたそれぞれの粉乳中の微量
成分である鉄、銅及び亜鉛の分散状態は良好であること
が判る。また、実施例1及び実施例2で得られたそれぞ
れの粉乳中の微量成分である鉄及び銅の分級も良好であ
ることが判る。したがって、通常のマルチノズル噴霧方
式で、異なる成分の溶液をそれぞれで別のラインの高圧
ポンプを用いてそれぞれ異なる噴霧ノズルから噴霧乾燥
しても、分散性及び分級の点で全く問題ないといえる。According to the results of these analyses, it is understood that the dispersion state of iron, copper and zinc, which are minor components, in each of the milk powders obtained in Example 1, Example 2 and Comparative Example 2 is good. In addition, it can be seen that the classification of iron and copper, which are trace components in each of the milk powders obtained in Example 1 and Example 2, was also good. Therefore, it can be said that there is no problem in terms of the dispersibility and the classification even when the solutions of different components are spray-dried from different spray nozzles using the high-pressure pumps of different lines, respectively, in the usual multi-nozzle spray method.
【0037】[0037]
【試験例2】実施例1〜5及び比較例1〜2で得られた
それぞれの粉乳を 350ml容の白無地スチール缶に充填し
た後、37℃の暗所で空気開放下に強制劣化保存し、経時
的に試料を採取して、臭気についての官能評価と過酸化
物価(POV)の測定を行った。なお、官能評価は、10
名のパネラーにより、酸化劣化が全く見られないものを
5点、酸化劣化が明らかなものを1点として、 0.1単位
で評価し、10名の平均値で示した。また、POVの測定
は、JOCS法(日本油脂化学協会,基準油脂分析試験
法 2.4.12-71,丸善,1971)に従って行った。その結果
を表3に示す。Test Example 2 Each of the powdered milks obtained in Examples 1 to 5 and Comparative Examples 1 and 2 was filled into a 350 ml white plain steel can, and then forcibly degraded and stored in a dark place at 37 ° C. under open air. Samples were collected over time, and the sensory evaluation for odor and the measurement of peroxide value (POV) were performed. The sensory evaluation was 10
5 panelists who did not see any oxidative deterioration were rated as 1 point by the name panelists, and 1 panel was used when the oxidative deterioration was obvious. The POV was measured in accordance with the JOCS method (Japan Association of Fats and Oil Chemistry, Standard Fat and Oil Analysis Test Method 2.4.12-71, Maruzen, 1971). Table 3 shows the results.
【0038】[0038]
【表3】 ──────────────────────────────────── 保存期間(週) ──────────────────────── 0 1 2 3 4 5 ──────────────────────────────────── 実施例1 風味 5.0 5.0 4.9 4.8 4.7 4.6 POV 0.4 0.5 0.6 0.8 0.9 1.0 ──────────────────────────────────── 実施例2 風味 5.0 4.9 4.8 4.6 4.4 4.3 POV 0.5 0.6 0.7 0.9 1.0 1.1 ──────────────────────────────────── 実施例3 風味 5.0 4.9 4.7 4.7 4.5 4.4 POV 0.5 0.5 0.7 0.9 1.1 1.2 ──────────────────────────────────── 実施例4 風味 5.0 4.9 4.6 4.4 4.3 4.1 POV 0.6 0.8 0.9 1.0 1.2 1.3 ──────────────────────────────────── 実施例5 風味 4.9 4.4 4.2 3.9 3.7 3.5 POV 0.7 1.5 2.0 2.7 3.5 4.3 ──────────────────────────────────── 比較例1 風味 4.8 4.2 3.9 3.6 3.1 2.6 POV 0.8 1.8 2.2 3.5 4.6 5.1 ──────────────────────────────────── 比較例2 風味 5.0 5.0 4.8 4.7 4.6 4.5 POV 0.4 0.4 0.6 0.9 1.1 1.1 ──────────────────────────────────── (POVの単位:meq/kg) [Table 3] ──────────────────────────────────── Storage period (week) ───── {0 1 2 3 4 5} ─────────── Example 1 Flavor 5.0 5.0 4.9 4.8 4.7 4.6 POV 0.4 0.5 0.6 0.8 0.9 1.0 ────────────────────── ────────────── Example 2 Flavor 5.0 4.9 4.8 4.6 4.4 4.3 POV 0.5 0.6 0.7 0.9 1.0 1.1 ─────────────────── ───────────────── Example 3 Flavor 5.0 4.9 4.7 4.7 4.5 4.4 POV 0.5 0.5 0.7 0.9 1.1 1.2 ──────────────── ──────────────────── Example 4 Flavor 5.0 4.9 4.6 4.4 4.3 4.1 POV 0.6 0.8 0.9 1.0 1.2 1.3 ─── ──────────────────────────────── Example 5 Flavor 4.9 4.4 4.2 3.9 3.7 3.5 POV 0.7 1.5 2.0 2.7 3.5 4.3 ─ ─────────────────────────────────── Comparative Example 1 Flavor 4.8 4.2 3.9 3.6 3.1 2.6 POV 0.8 1.8 2.2 3.5 4.6 5.1 比較 Comparative Example 2 Flavor 5.0 5.0 4.8 4.7 4.6 4.5 POV 0.4 0.4 0.6 0.9 1.1 1.1 ──────────────────────────────────── (Unit of POV: meq / kg)
【0039】これによると、単一溶液として噴霧乾燥し
た比較例1の粉乳は、粉々混合した比較例2の粉乳に比
べ、油の戻り臭を感じた人が明らかに多く、また、PO
Vが増加していることから、粉乳中に含まれている多価
不飽和脂肪酸の酸化劣化が進行していることが判る。一
方、実施例1〜4の粉乳は、粉々混合した比較例2の粉
乳と同様、単一溶液として噴霧乾燥した比較例1の粉乳
に比べ、脂質酸化劣化臭を感じた人は少なく、また、粉
乳中に含まれている多価不飽和脂肪酸の酸化劣化が抑制
されていることが判る。しかし、実施例5の粉乳では、
油の戻り臭がやや感じられ、多価不飽和脂肪酸の酸化劣
化も進行していた。したがって、マルチノズル噴霧乾燥
方法で、異なる成分の溶液をそれぞれで別のラインの高
圧ポンプを用いてそれぞれ異なる噴霧ノズルから噴霧乾
燥する場合、実施例2〜4の噴霧傘の重なり以下の重な
りであれば、風味及び多価不飽和脂肪酸の酸化劣化の点
で全く問題ないといえる。According to this, the powdered milk of Comparative Example 1 spray-dried as a single solution was clearly more susceptible to oil return smell than the powdered milk of Comparative Example 2 and the PO powder had a higher PO.
The increase in V indicates that the oxidative deterioration of the polyunsaturated fatty acid contained in the milk powder is progressing. On the other hand, the milk powders of Examples 1 to 4 were similar to the milk powders of Comparative Example 2 which were shattered, and compared with the milk powder of Comparative Example 1 which was spray-dried as a single solution, few people felt the lipid oxidative deterioration smell, It can be seen that the oxidative deterioration of the polyunsaturated fatty acids contained in the milk powder is suppressed. However, in the milk powder of Example 5,
The return odor of the oil was slightly felt, and the oxidative deterioration of the polyunsaturated fatty acid was also progressing. Therefore, in the multi-nozzle spray-drying method, when the solutions of different components are spray-dried from different spray nozzles using different lines of high-pressure pumps, respectively, the overlap of the spray umbrellas of Examples 2 to 4 is not more than the overlap. If so, it can be said that there is no problem in terms of flavor and oxidative deterioration of polyunsaturated fatty acids.
【0040】[0040]
【発明の効果】本発明の方法によると、従来の粉々混合
と同様、栄養価が高くかつ生理活性を有する多価不飽和
脂肪酸と酸化力の高い鉄、銅及び亜鉛とが共存していて
も、長期間の保存で風味や品質の劣化が殆どない銅、鉄
及び亜鉛等の金属を含みかつ多価不飽和脂肪酸含有油脂
を含む粉乳を提供することができる。しかも、本発明の
方法は、従来の粉々混合よりも製造工程が少なく、銅、
鉄及び亜鉛等の金属を含みかつ多価不飽和脂肪酸含有油
脂を含む粉乳を効率的に製造することができるという利
点を有している。According to the method of the present invention, as in the case of the conventional powdery mixing, even if polyunsaturated fatty acids having high nutritional value and biological activity and iron, copper and zinc having high oxidizing power coexist. Further, it is possible to provide powdered milk containing metals such as copper, iron and zinc, which hardly deteriorate in flavor and quality during long-term storage, and fats and oils containing polyunsaturated fatty acids. Moreover, the method of the present invention requires less production steps than conventional powder mixing,
It has the advantage that powdered milk containing metals such as iron and zinc and fats and oils containing polyunsaturated fatty acids can be efficiently produced.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐藤 則文 埼玉県鶴ヶ島市松ヶ丘4−1 かわつるグ リーンタウン松ヶ丘13−304 (72)発明者 井戸田 正 埼玉県川越市大字小室513−7 Fターム(参考) 3L113 AC45 AC46 AC48 AC61 AC63 AC67 AC90 BA02 DA24 4B001 AC15 AC46 BC04 DC01 EC01 EC09 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Norifumi Sato, Inventor 4-1 Matsugaoka, Tsurugashima-shi, Saitama 13-304, Kawaturu Green Town Matsugaoka 13-304 (72) Inventor, Tadashi Imoda 513-7F, Omuro, Kawagoe-shi, Saitama Terms (reference) 3L113 AC45 AC46 AC48 AC61 AC63 AC67 AC90 BA02 DA24 4B001 AC15 AC46 BC04 DC01 EC01 EC09
Claims (4)
る噴霧ノズルで個別に噴霧乾燥しながら成分を混合する
ことを特徴とする粉乳の製造法。1. A method for producing milk powder, wherein a plurality of solutions having different components are individually spray-dried with different spray nozzles while mixing the components.
それぞれの噴霧傘が重なるように噴霧乾燥する請求項1
に記載の製造法。2. Adjusting the angle and distance of the spray nozzle,
2. The spray drying method according to claim 1, wherein the spray umbrellas are spray-dried so as to overlap each other.
Production method described in 1.
である請求項2に記載の製造法。3. The overlap of each spray umbrella is 1% to 90%.
The production method according to claim 2, wherein
脂肪酸含有油脂を含む溶液と金属を含む溶液である請求
項1〜3のいずれかに記載の製造法。4. The method according to claim 1, wherein the plurality of solutions having different components are a solution containing a polyunsaturated fatty acid-containing oil and fat and a solution containing a metal.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP10230174A JP2000041576A (en) | 1998-07-31 | 1998-07-31 | Production of powdered milk |
AU42412/99A AU769958B2 (en) | 1998-07-31 | 1999-07-30 | Manufacturing procedure of powdered milk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10230174A JP2000041576A (en) | 1998-07-31 | 1998-07-31 | Production of powdered milk |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000041576A true JP2000041576A (en) | 2000-02-15 |
Family
ID=16903775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP10230174A Pending JP2000041576A (en) | 1998-07-31 | 1998-07-31 | Production of powdered milk |
Country Status (1)
Country | Link |
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JP (1) | JP2000041576A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008050473A1 (en) | 2006-10-18 | 2008-05-02 | Meiji Dairies Corporation | Food with depression |
WO2012077560A1 (en) | 2010-12-06 | 2012-06-14 | 株式会社 明治 | Packaged solid body and production method thereof |
US9635869B2 (en) | 2005-12-28 | 2017-05-02 | Meiji Co., Ltd. | Solid milk and method of making the same |
EP3338557A1 (en) | 2010-06-13 | 2018-06-27 | Meiji Co., Ltd | Solid milk and the method of manufacturing thereof |
-
1998
- 1998-07-31 JP JP10230174A patent/JP2000041576A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9635869B2 (en) | 2005-12-28 | 2017-05-02 | Meiji Co., Ltd. | Solid milk and method of making the same |
EP3189735A1 (en) | 2005-12-28 | 2017-07-12 | Meiji Co., Ltd. | Method of making agglomerated milk powder |
WO2008050473A1 (en) | 2006-10-18 | 2008-05-02 | Meiji Dairies Corporation | Food with depression |
EP3205214A1 (en) | 2006-10-18 | 2017-08-16 | Meiji Co., Ltd | Food with depression |
EP3338557A1 (en) | 2010-06-13 | 2018-06-27 | Meiji Co., Ltd | Solid milk and the method of manufacturing thereof |
WO2012077560A1 (en) | 2010-12-06 | 2012-06-14 | 株式会社 明治 | Packaged solid body and production method thereof |
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