JP2004121061A - Method for producing powder composition - Google Patents
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Abstract
Description
【発明の属する技術分野】本発明は、粉末組成物の製造に際し、ポリソルベートで処理することを特徴とする飛散性、水への溶解性・分散性が改善された粉末組成物の製造方法に関する。
【０００１】
【従来の技術】
粉末原料の多くは、乾燥した微細な粒子の集合体であり、粉末原料を取扱う際には微細な粉体が空中に飛散する、いわゆる「粉立ち」が発生し、飛散した粉末を作業員が吸引してしまって、健康に害を与える恐れがあるという問題や、作業環境の悪化、例えば、飛散した粉体が作業場内の床等に沈降し、滑りやすくなったり、また、作業内の床等に溜まった粉体原料が水とが接触することによって更に滑りやすくなったり、また、これが菌の繁殖を引き起こす原因となって衛生上大きな問題を生じることがあった。また、粉立ちが過度の場合には、粉塵爆発等の危険も考えられる。
【０００２】
このような粉末原料の粉立ちを防止するには、従来は、粉体自体を製造する際にその粉砕等を粗くして粒度を上げる方法や、造粒工程等を行い、粉体の粒径を大きくする方法、或いは、粉末の表面を加工する方法がある。しかし粒度を粗くする場合は、水溶性のものでも、完全に水和させるのに要する時間が多くかかるという欠点の他、完全に溶解しないものでは、その粒子の大きさより、ザラツキや沈殿などの問題が生じるため、特定分野でしか使用できない。
【０００３】
また、粉末原料を水に添加した場合、粉体自体が水中に分散しながら溶解するよりも、粉体が水との接触面だけで水和する方が早い場合には、接触面のみ水和が行われ、中に溶解していない粉末が生じるという、いわゆる「ままこ」が生成して、粉末原料が水に溶解し難くなるという問題がある。粉末原料の種類にもよるが、一度できてしまった「ままこ」を完全に溶解させることは非常に困難である。この「ままこ」を防ぐには、粉末原料を使用の際、高速撹拌しながら徐々に添加する方法、数倍以上の「ままこ」にならない粉体と混合して用いる方法、粉体の粒径を大きくする方法或いは粉体の表面を被覆する方法が挙げられるが、手間及び溶解性の点で全てを満足させるものではない。
【０００４】
一方、易溶性キサンタンガムの製造方法は既に文献に記載されており（特許文献１参照）、これにはキサンタンガムをＨＬＢ８以上のポリグリセリンまたはショ糖脂肪酸エステル、レシチン、リゾレシチンを乳化剤として処理することによって、キサンタンガムの水和性・分散性を改善した方法が記載されている。しかしながら、この方法は、上記問題を完全に解決したものではなく、また、ショ糖脂肪酸エステル、レシチンの乳化剤は、溶液が白濁してしまうという問題があった。さらに、これらの方法では粉立ちについても解決されていない。
【０００５】
また、水溶性多糖類の粉体に、水溶性多糖類とソルビタンモノオレエート、ソルビタンモノラウレート、テトラグリセリンモノラウレート、テトラグリセリンモノオレエート等の乳化剤の混合液をバインダーとして使用し、造粒することを特徴とする造粒水溶性多糖類の製造方法がある（特許文献２参照）。
【０００６】
テトラグリセリンモノラウレート、テトラグリセリンモノオレエート等のポリグリセリンやレシチン、リゾレシチンを乳化剤として使用した場合では、乳化剤自体に風味の問題があり、添加量を多くすると臭いや風味に影響を与えるので、食品への使用用途や使用方法が限定されていた。また、ショ糖脂肪酸エステル、レシチン、酵素処理レシチン、ソルビタンモノオレエート、ソルビタンモノステアレートでは、溶解性に問題があり、乳化剤自身を溶解した場合、白濁する若しくは長期保存により乳化剤が結晶化する等の問題があり、透明性が必要とされる用途や長期保存を行う用途では使用できなかった。
【０００７】
上記の如く、粉末原料を水に溶解或いは分散させるには、多くの問題があり、現状の方法ではこれら問題を解決するには至っていない。
【０００８】
【特許文献１】
特開昭６３−２３０７０３号公報
【特許文献２】
特開２０００−０６３４０２号公報
【０００９】
【発明が解決しようとする課題】本発明は、粉末原料の使用用途を限定することなく、水への溶解性・分散性に優れ、水への投入時の粉立ち及び「ままこ」の生成を有意に抑制された、作業性に優れる粉末組成物を製造する方法を提供することを目的とする。
【００１０】
【課題を解決するための手段】本発明者らは、上記課題を解決すべく鋭意研究を重ねたところ、粉末原料をポリソルベートで処理することによって、粉体原料の水への溶解性・分散性、泡立ち性、粉立ち性が改善され、作業性に優れた粉末組成物を製造することができるということを見いだした。本発明は、かかる知見に基づいて開発されたものである。
【００１１】
すなわち、本発明は下記にあげる粉末組成物の製造方法である。
１．粉末原料をポリソルベートで処理することを特徴とする粉末組成物の製造方法。
２．粉末原料が、脱脂粉乳、全脂粉乳等の粉乳、分離大豆タンパク質・乳清タンパク質、カゼインナトリウム、アルブミン、ゼラチン等の水溶性タンパク質類、馬鈴薯等の澱粉類やそれらの加工デンプン、小麦粉・きな粉等の穀粉類、ココア・抹茶等の食用粉末、グァーガム等の水溶性多糖類等である項１．記載の粉末組成物の製造方法。
３．ポリソルベートがポリソルベート８０あるいはポリソルベート６０またはそれらの混合物から選ばれる請求項１に記載の粉末組成物の製造方法。
また、本発明は下記にあげる粉末組成物である。
４．粉末原料をポリソルベートで処理することによって、水への溶解性・分散性が改善された粉末組成物。
さらに、本発明は下記にあげる粉末原料の水への溶解性の改善方法である。
５．粉末原料をポリソルベートで処理することを特徴とする、粉末原料の水への溶解性の改善方法。
【００１２】
【発明の実施の形態】本発明における粉末原料とは、水に投入した際に、上述したような問題点を有するものであれば特に制限がないが、例えば、脱脂粉乳、全脂粉乳等の粉乳、分離大豆タンパク質・乳清タンパク質、カゼインナトリウム、アルブミン、ゼラチン等の水溶性タンパク質類、馬鈴薯等の澱粉類やそれらの加工デンプン、小麦粉・きな粉等の穀粉類、ココア・抹茶等の食用粉末、グァーガム等の水溶性多糖類等が挙げられる。また、上記粉末原料の１種以上を含んだ粉体混合物であってもよい。
【００１３】
特に、粉末原料の粒子径が１００μｍ以下になると飛散をおこし易くなるが、本発明のポリソルベートによる処理を行うことによって、飛散性による作業性改善、粉体への分散性が改善されると同時に、水への溶解性の改善が行われる。
【００１４】
本発明で用いるポリソルベートとは、ソルビタン脂肪酸エステルにエチレンオキシド２０モルを付加させた親水性の非イオン界面活性剤で、優れた乳化性、可溶化性、分散性を示すため化粧品、医薬品をはじめ幅広い分野で使用されているものであればよいが、効果の点より、ポリソルベート８０（ポリオキシエチレン（２０）ソルビタンモノオレエート）、ポリソルベート６０（ポリオキシエチレン（２０）ソルビタンモノステアレート）を用いることが望ましい。
【００１５】
ポリソルベートの添加量は、粉末原料に対して０．０１〜１０重量％、好ましくは０．０５〜１０重量％である。０．０１重量％より少ないと、飛散防止等の効果が低くなって好ましくない。上限は特に限定されないが１０重量％より多いとポリソルベート自体の味やコストの面で問題が出る可能性がある。
【００１６】
粉末原料をポリソルベートで処理する方法は、粉末原料に、ポリソルベートを添加して混合し、均一に混ざる方法であれば特に制限はされない。例えば、粉末原料にポリソルベートを添加し、混練機を用いて粉体に均一に混ざるようにする方法があげられる。
【００１７】
混練機には、メランジャ等のホイール型混練機、ニーダー、オーガ、パドルミキサ、リボンミキサ、スクリューミキサ、タービュレントミキサ、マルチミックス、サーマルプロセッサ、ホーバーグミキサ及びフードミキサ、スパイラルミキサ、クッキングミキサ、ポニーミキサ、ユニミックス、ナウタミキサ、ファインミキサ及びコントラミックス等のブレード型混練機、ロールミル及びテーパーロール等のロール型混練機等があげられる。
【００１８】
また、水、メタノール、エタノール、イソプロピルアルコール、ヘキサン、アセトン等の溶剤に、予めポリソルベートを溶解したポリソルベート溶液を、粉体原料に添加して均一に混合後、必要に応じて乾燥等で溶剤を除去する方法でも良い。
【００１９】
さらに、粉末原料にグァーガム、でん粉、デキストリン等のバインダーと共にポリソルベートを加えたバインダー溶液を用いて常法により粉末原料を造粒する方法でも良い。
【００２０】
また、粉体原料を常法により造粒したものに、上述したポリソルベート溶液を添加し、その造粒した粒子の表面をコーティングする方法でも良い。
【００２１】
本発明の飛散性、水への溶解性・分散性が改善された粉末組成物は、食品、例えば飲料、粉末飲料、デザート、チューインガム、錠菓、スナック菓子、水産加工品、畜産加工品、レトルト食品等の飲食品等や食品以外、例えば医薬品、医薬部外品、工業製品、化粧品、飼料等の原料として利用することができる。
【００２２】
【実施例】
以下、実施例及び比較例を挙げて、本発明を具体的に説明するが、本発明はこれらの実施例に限定されるものではない。なお、実施例中の部および％はいずれも重量部、重量％を意味する。
【００２３】
【実験例１】精製グァーガム１００部にポリソルベート８０ ３部を添加し、万能撹拌機（（株）品川工業所製）にて３０分間撹拌混合を行って、精製グァーガム組成物１を得た。
【００２４】
【比較例１】精製グァーガム１００部にショ糖ステアリン酸エステル（ＨＬＢ１１）３部を添加し、実験例１と同様の方法にて精製グァーガム組成物２を得た。
【００２５】
【実験例２】流動造粒装置（大川原（株）社製）を用い、精製グァーガム１００部にポリソルベート８０ ０．５部、水４９．５部の水溶液からなるバインダー液を使用して、吸気温度は７０℃、バインダー液のスプレー噴霧圧力は２ｋｇ／ｃｍ２で造粒し、精製グァーガム造粒品１を得た。
【００２６】
【実験例３】精製グァーガム１００部にポリソルベート８０ ２部、水４８部の水溶液からなるバインダー液を使用して、実験例２同様の方法で精製グァーガム造粒品２を得た。
【００２７】
【実験例４】精製グァーガム１００部にポリソルベート６０ ２部、水４８部の水溶液からなるバインダー液を使用して、実験例２と同様の方法で精製グァーガム造粒品３を得た。
【００２８】
【実験例５】流動造粒装置（大川原（株）社製）を用い、精製グァーガム１００部に水５０部をバインダー液に使用して、吸気温度は７０℃、バインダー液のスプレー噴霧圧力は２ｋｇ／ｃｍ２で造粒し、粒子径が約０．３ｍｍと成長後、ポリソルベート８０ ２部、水４８部の水溶液を、同条件で噴霧し、粒子の表面がポリソルベートで被覆された精製グァーガム造粒品４を得た。
【００２９】
【比較例２】流動造粒装置（大川原（株）社製）を用い、精製グァーガム１００部に酵素処理レシチン２部、水４８部の水溶液からなるバインダー液を使用して、吸気温度は７０℃、バインダー液のスプレー噴霧圧力は２ｋｇ／ｃｍ２で造粒し、精製グァーガム造粒品５を得た。
【００３０】
【比較例３】流動造粒装置（大川原（株）社製）を用い、精製グァーガム１００部にソルビタンモノオレエート２部、水４８部の水溶液からなるバインダー液を使用して、吸気温度は７０℃、バインダー液のスプレー噴霧圧力は２ｋｇ／ｃｍ２で造粒し、精製グァーガム造粒品６を得た。
【００３１】
▲１▼溶解性改善テスト及び風味のテスト
溶解性テストは、１０００ｍｌの水を、マグネテックスターラー（アズワン（株）社製）で撹拌しながら、精製グァーガム組成物１、２及び精製グァーガム造粒物１〜６ ４ｇをそれぞれ一挙に投入し、目視で完全に溶解するまでの時間を測定した。溶解後の溶液の状態、及び官能評価を５段階で評価した。
【００３２】
▲２▼作業時の粉立ちのテスト
精製グァーガム組成物１、２及び精製グァーガム造粒物１〜６ ３０ｇをそれぞれ一挙に投入し、蓋をした後に、１分間激しく上下に振り、静置した時の粉立ちの状態を観察した。
【００３３】
【表１】
１：異味異臭無し、２：わずかに異味異臭有り、３：異味異臭少し有り、４：異味異臭有り、５：異味異臭が強い
【００３４】
上記のように、精製グァーガムをポリソルベートで処理すると、溶解性が向上し、透明に溶解し、また、異味異臭もない、さらに粉立ちもない精製グァーガム組成物となった。
【００３５】
【実施例１】
天ぷら粉のダマ防止効果の確認
市販の天ぷら粉に、ポリソルベート８０を粉体の１％添加し、乳鉢でよく混合し、天ぷら粉組成物を得た。
次いで、ボウルに水１５０ｇを入れ、天ぷら粉組成物１００ｇを添加し、箸で良く天ぷら粉を溶いた。
【００３６】
無添加
２分間よく溶き、状態を観察した所、天ぷら粉のダマが大小あわせ６個在った。
さらに２分間良く溶き状態を観察した所、完全にダマはなくならず小さなダマが２個在った。
添加区
１分間よく溶き、状態を観察した所、天ぷら粉のダマが、小さなもの３個在った。
さらに１分間良く溶き状態を観察した所、完全になめらかな天ぷら粉となった。
上記のように、天ぷら粉をポリソルベートで処理することによって、ダマになりにくい分散性良好な天ぷら粉を得ることができた。
【００３７】
【実施例２】
スキンミルクの溶解性改善
スキンミルクに、ポリソルベート６０を粉体の３％添加し、乳鉢でよく混合し、スキンミルク組成物を得た。
次いで、カップに熱湯２００ｇを入れ、スキンミルク組成物２５ｇを添加し、攪拌棒で良く攪拌した。
無添加……６分間で完全溶解
添加区……２分間で完全溶解
上記のように、スキンミルクをポリソルベートで処理することによって、溶解性に優れたスキンミルクを得ることができた。
【００３８】
【発明の効果】本発明は、粉末原料を、ポリソルベートで処理することによって、飛散性、水への溶解性・分散性が改善された粉末組成物を得ることができる。この粉末組成物は、食品、医薬品、医薬部外品、工業製品、化粧品、飼料等の原料として利用することができる。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a powder composition having improved dispersibility, solubility and dispersibility in water, which is characterized in that a powder composition is treated with polysorbate.
[0001]
[Prior art]
Many of the powdered raw materials are aggregates of dried fine particles, and when handling the powdered raw materials, fine powder scatters in the air, so-called `` dusting '' occurs. Inhalation may cause health problems, or worsen the working environment, for example, scattered powder may settle on the floor in the workplace and become slippery, In some cases, the powdery raw materials accumulated in the water and the like become more slippery due to contact with water, and this may cause propagation of bacteria and cause a serious problem in hygiene. In addition, when dusting is excessive, there is a risk of dust explosion or the like.
[0002]
Conventionally, in order to prevent powdering of such a powder raw material, a method of increasing the particle size by coarsely pulverizing the powder itself when producing the powder itself, or performing a granulation step, etc. Or a method of processing the surface of the powder. However, when making the particle size coarse, even if it is water-soluble, it takes a lot of time to completely hydrate, and if it does not completely dissolve, problems such as roughness and sedimentation will occur due to the size of the particles. Can be used only in specific fields.
[0003]
Also, when the powder raw material is added to water, if the powder hydrates only at the contact surface with water faster than the powder itself dissolves while dispersing in water, the contact surface only hydrates. Is performed, so that a powder that is not dissolved therein is generated, so-called “mamako” is generated, and there is a problem that the powder raw material is hardly dissolved in water. Although it depends on the type of the powder raw material, it is very difficult to completely dissolve the once produced "mamako". In order to prevent this "makoko", when using the powdered raw material, a method of gradually adding it with high-speed stirring, a method of mixing with a powder that does not become a "camelstick" several times or more, a method of A method of increasing the diameter or a method of coating the surface of the powder may be mentioned, but it does not satisfy all in terms of labor and solubility.
[0004]
On the other hand, a method for producing readily soluble xanthan gum has already been described in the literature (see Patent Document 1). In this method, xanthan gum is treated with polyglycerin having an HLB of 8 or more or sucrose fatty acid ester, lecithin, and lysolecithin as an emulsifier. A method for improving the hydration and dispersibility of xanthan gum is described. However, this method does not completely solve the above problem, and there is a problem that the emulsifier of sucrose fatty acid ester and lecithin causes the solution to become cloudy. Furthermore, these methods do not solve dusting.
[0005]
In addition, a mixture of a water-soluble polysaccharide and an emulsifier such as sorbitan monooleate, sorbitan monolaurate, tetraglycerin monolaurate, and tetraglycerin monooleate is used as a binder for the powder of the water-soluble polysaccharide. There is a method for producing a granulated water-soluble polysaccharide characterized by being granulated (see Patent Document 2).
[0006]
In the case of using polyglycerin such as tetraglycerin monolaurate and tetraglycerin monooleate, lecithin, and lysolecithin as an emulsifier, the emulsifier itself has a problem of flavor, and if the amount added is large, it affects odor and flavor. Uses and methods of use for food were limited. In addition, sucrose fatty acid ester, lecithin, enzyme-treated lecithin, sorbitan monooleate, and sorbitan monostearate have a problem in solubility.When the emulsifier itself is dissolved, it becomes cloudy or crystallizes due to long-term storage. However, it cannot be used for applications requiring transparency or for long-term storage.
[0007]
As described above, there are many problems in dissolving or dispersing a powder raw material in water, and these problems have not been solved by the current method.
[0008]
[Patent Document 1]
JP-A-63-230703 [Patent Document 2]
JP 2000-063402 A
DISCLOSURE OF THE INVENTION The present invention has excellent solubility and dispersibility in water, does not limit the use of the powder raw material, and forms powder and "mamako" when poured into water. It is an object of the present invention to provide a method for producing a powder composition excellent in workability, in which is significantly suppressed.
[0010]
Means for Solving the Problems The inventors of the present invention have conducted intensive studies to solve the above-mentioned problems. As a result, the powder raw material was treated with polysorbate to dissolve and disperse the powder raw material in water. It has been found that a foam composition having improved foaming and powdering properties and excellent workability can be produced. The present invention has been developed based on such knowledge.
[0011]
That is, the present invention is a method for producing a powder composition described below.
1. A method for producing a powder composition, comprising treating a powder raw material with polysorbate.
2. Powdered raw materials are powdered milk such as skim milk powder, whole milk powder, isolated soybean protein / whey protein, water-soluble proteins such as sodium caseinate, albumin, gelatin, starches such as potatoes, starches processed therefrom, flour / kina powder, etc. 1. Flours, edible powders such as cocoa and matcha, and water-soluble polysaccharides such as guar gum. A method for producing the powder composition described above.
3. The method for producing a powder composition according to claim 1, wherein the polysorbate is selected from polysorbate 80, polysorbate 60, and a mixture thereof.
Further, the present invention is a powder composition described below.
4. A powder composition in which the solubility and dispersibility in water are improved by treating a powder raw material with polysorbate.
Further, the present invention is a method for improving the solubility of the powder raw material in water described below.
5. A method for improving the solubility of a powder raw material in water, which comprises treating the powder raw material with polysorbate.
[0012]
DESCRIPTION OF THE PREFERRED EMBODIMENTS The powder raw material in the present invention is not particularly limited as long as it has the above-mentioned problems when put into water. Powdered milk, isolated soy protein / whey protein, water-soluble proteins such as sodium caseinate, albumin, gelatin, starches such as potatoes and their modified starches, cereal flours such as flour / kina flour, edible powders such as cocoa / matcha tea, And water-soluble polysaccharides such as guar gum. Further, a powder mixture containing one or more of the above powder raw materials may be used.
[0013]
In particular, when the particle size of the powder raw material is 100 μm or less, it is easy to cause scattering.However, by performing the treatment with the polysorbate of the present invention, the workability is improved by the scattering property, and the dispersibility in the powder is improved. Improved solubility in water is provided.
[0014]
The polysorbate used in the present invention is a hydrophilic nonionic surfactant obtained by adding 20 moles of ethylene oxide to a sorbitan fatty acid ester. The polysorbate exhibits excellent emulsifying, solubilizing and dispersing properties. However, from the viewpoint of the effect, polysorbate 80 (polyoxyethylene (20) sorbitan monooleate) and polysorbate 60 (polyoxyethylene (20) sorbitan monostearate) may be used. desirable.
[0015]
The amount of polysorbate added is 0.01 to 10% by weight, preferably 0.05 to 10% by weight, based on the powder raw material. If the amount is less than 0.01% by weight, the effect of preventing scattering and the like is lowered, which is not preferable. The upper limit is not particularly limited, but if it is more than 10% by weight, problems may occur in terms of taste and cost of polysorbate itself.
[0016]
The method of treating the powder raw material with polysorbate is not particularly limited as long as the method is a method in which polysorbate is added to the powder raw material, mixed and uniformly mixed. For example, there is a method in which polysorbate is added to a powder raw material, and the mixture is uniformly mixed with the powder using a kneader.
[0017]
The kneading machine includes a wheel type kneading machine such as a melanger, a kneader, an auger, a paddle mixer, a ribbon mixer, a screw mixer, a turbulent mixer, a multi-mix, a thermal processor, a hoberg mixer and a food mixer, a spiral mixer, a cooking mixer, a pony mixer, Examples include blade-type kneaders such as Unimix, Nauta Mixer, Fine Mixer, and Contramix, and roll-type kneaders such as a roll mill and a taper roll.
[0018]
In addition, a polysorbate solution in which polysorbate is previously dissolved in a solvent such as water, methanol, ethanol, isopropyl alcohol, hexane, or acetone is added to the powder raw material and uniformly mixed, and then, if necessary, the solvent is removed by drying or the like. You can also do it.
[0019]
Further, a method of granulating the powder raw material by an ordinary method using a binder solution obtained by adding polysorbate to a powder raw material together with a binder such as guar gum, starch or dextrin may be used.
[0020]
Alternatively, a method may be used in which the above-mentioned polysorbate solution is added to a granulated powder raw material by a conventional method, and the surface of the granulated particles is coated.
[0021]
The powder composition of the present invention having improved dispersibility, solubility and dispersibility in water is a food, for example, a beverage, a powdered beverage, a dessert, a chewing gum, a tablet confection, a snack, a processed marine product, a processed livestock product, and a retort food. It can be used as a raw material for foods, drinks and other foods, as well as pharmaceuticals, quasi-drugs, industrial products, cosmetics, feeds, and the like.
[0022]
【Example】
Hereinafter, the present invention will be described specifically with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples. In the examples, parts and% mean parts by weight and% by weight, respectively.
[0023]
Experimental Example 1 Purified guar gum composition 1 was obtained by adding 3 parts of polysorbate 80 to 100 parts of purified guar gum and stirring and mixing with a universal stirrer (Shinagawa Kogyo Co., Ltd.) for 30 minutes.
[0024]
Comparative Example 1 Purified guar gum composition 2 was obtained in the same manner as in Experimental Example 1 by adding 3 parts of sucrose stearic acid ester (HLB11) to 100 parts of purified guar gum.
[0025]
[Experimental example 2] Using a fluidized granulator (manufactured by Okawara Co., Ltd.), using a binder solution consisting of an aqueous solution of 0.5 part of polysorbate 80 and 49.5 parts of water in 100 parts of purified guar gum, the intake air temperature Was granulated at 70 ° C. and the spray pressure of the binder solution was 2 kg / cm 2 , to obtain a purified guar gum granulated product 1.
[0026]
EXPERIMENTAL EXAMPLE 3 A purified guar gum granulated product 2 was obtained in the same manner as in Experimental Example 2, using a binder solution consisting of an aqueous solution of 2 parts of polysorbate 80 and 48 parts of water in 100 parts of purified guar gum.
[0027]
EXPERIMENTAL EXAMPLE 4 A purified guar gum granulated product 3 was obtained in the same manner as in Experimental Example 2, except that a binder solution consisting of an aqueous solution of 100 parts of purified guar gum and 2 parts of polysorbate 60 and 48 parts of water was used.
[0028]
[Experimental Example 5] Using a fluidized granulator (manufactured by Okawara Corporation), using 100 parts of purified guar gum and 50 parts of water as the binder liquid, the intake air temperature was 70 ° C, and the spray pressure of the binder liquid was 2 kg. / Cm 2 , and after growing to a particle diameter of about 0.3 mm, an aqueous solution of 2 parts of polysorbate 80 and 48 parts of water is sprayed under the same conditions, and the purified guar gum granules whose surfaces are coated with polysorbate are granulated. Product 4 was obtained.
[0029]
Comparative Example 2 Using a fluidized granulator (manufactured by Okawara Co., Ltd.), a binder solution consisting of an aqueous solution of 2 parts of an enzyme-treated lecithin and 48 parts of water was used for 100 parts of purified guar gum. The binder was sprayed at a spray pressure of 2 kg / cm 2 to obtain a purified guar gum granulated product 5.
[0030]
Comparative Example 3 Using a fluidized granulator (manufactured by Okawara Co., Ltd.), a binder liquid consisting of an aqueous solution of 2 parts of sorbitan monooleate and 48 parts of water was used for 100 parts of purified guar gum. The granulation was carried out at a temperature of 2 ° C. and a spray pressure of the binder liquid of 2 kg / cm 2 , thereby obtaining a purified guar gum granulated product 6.
[0031]
(1) Solubility improvement test and flavor test The solubility test was conducted by stirring 1000 ml of water with a magnetic stirrer (manufactured by AS ONE Corporation) while purifying the purified guar gum compositions 1 and 2 and the purified guar gum granules. 1 to 64 g of each was put at a time, and the time required for complete dissolution was visually measured. The state of the solution after dissolution and the sensory evaluation were evaluated on a five-point scale.
[0032]
{Circle around (2)} Test of dusting during operation When purified guar gum compositions 1 and 2 and purified guar gum granules 1 to 630 g are respectively put at a time, and after capping, shake vigorously up and down for 1 minute and stand still Was observed.
[0033]
[Table 1]
As described above, when the purified guar gum was treated with polysorbate, the solubility was improved, the guar gum was dissolved transparently, and a purified guar gum composition having no off-flavor and off-flavor and further having no dust was obtained.
[0035]
Embodiment 1
Confirmation of Lump Prevention Effect of Tempura Flour 1% of polysorbate 80 was added to commercially available tempura and mixed well in a mortar to obtain a tempura flour composition.
Next, 150 g of water was put into a bowl, 100 g of the tempura flour composition was added, and the tempura was well dissolved with chopsticks.
[0036]
It melted well without addition for 2 minutes, and the state was observed. As a result, there were 6 large and small lumps of tempura.
When the molten state was observed for another 2 minutes, the lumps did not completely disappear and there were two small lumps.
It melted well for 1 minute in the addition section, and the state was observed. As a result, there were three small pieces of tempura flour.
When the state of melting was further observed for one minute, it became completely smooth tempura.
As described above, by treating the tempura with polysorbate, it was possible to obtain the tempura having good dispersibility, which hardly causes lump.
[0037]
Embodiment 2
3% of powdered polysorbate 60 was added to skin milk for improving the solubility of skin milk and mixed well in a mortar to obtain a skin milk composition.
Next, 200 g of boiling water was added to the cup, 25 g of the skin milk composition was added, and the mixture was thoroughly stirred with a stirring rod.
No addition: complete dissolution in 6 minutes Addition: complete dissolution in 2 minutes As described above, by treating skin milk with polysorbate, skin milk excellent in solubility could be obtained.
[0038]
According to the present invention, by treating a powdery raw material with polysorbate, a powdery composition having improved dispersibility, solubility and dispersibility in water can be obtained. This powder composition can be used as a raw material for foods, pharmaceuticals, quasi-drugs, industrial products, cosmetics, feeds, and the like.
Claims (4)
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