WO2015050165A1 - テンパリングタイプチョコレート用油脂 - Google Patents
テンパリングタイプチョコレート用油脂 Download PDFInfo
- Publication number
- WO2015050165A1 WO2015050165A1 PCT/JP2014/076299 JP2014076299W WO2015050165A1 WO 2015050165 A1 WO2015050165 A1 WO 2015050165A1 JP 2014076299 W JP2014076299 W JP 2014076299W WO 2015050165 A1 WO2015050165 A1 WO 2015050165A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chocolate
- oils
- fats
- oil
- fat
- Prior art date
Links
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G1/00—Cocoa; Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/30—Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/32—Cocoa products, e.g. chocolate; Substitutes therefor characterised by the composition containing organic or inorganic compounds
- A23G1/36—Cocoa products, e.g. chocolate; Substitutes therefor characterised by the composition containing organic or inorganic compounds characterised by the fats used
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/007—Other edible oils or fats, e.g. shortenings, cooking oils characterised by ingredients other than fatty acid triglycerides
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/04—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils
- C11C3/10—Ester interchange
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Definitions
- the present invention relates to an oil and fat for tempering type chocolate capable of enhancing and sustaining flavors such as milk taste, sweet taste and cacao flavor required for chocolate, and a chocolate containing the oil and fat.
- Tasteless and odorless tempering type chocolate oils and fats have a problem of weakening as a result of weakening as a chocolate such as milk, sweetness, cacao flavor, etc., compared to so-called pure chocolate not containing this. .
- this problem is most commonly compensated by adding flavor by adding flavors such as commercially available chocolate fragrances and vanilla, but it is not easy to finish with a natural chocolate flavor, and the flavor of chocolate is the top note There was a problem of being biased and not lasting in the mouth.
- Patent Document 1 a method of blending chocolate with cocoa-flavored flavor oil produced by contacting cocoa raw material with hard butter at high temperature (Patent Document 1) or milk-flavored flavor oil produced by bringing vegetable oil and fat into contact with powdered milk and sugar at high temperature (Patent document 2) etc. which mix
- the manufacturing process was also complicated and had a problem.
- An object of the present invention is to provide a fat and oil for chocolate capable of enhancing and sustaining the natural flavor (milky taste, sweet taste, cacao flavor, etc.) of natural chocolate and a chocolate containing the same.
- the present invention (1) Tempering type fats and oils for chocolate comprising 0.3 to 15% of random transesterified oil made from fats and oils containing 5 to 50% of saturated fatty acids in constituent fatty acids. (2) The fats and oils for chocolate according to (1), wherein the raw fats and oils of the random transesterified oil are palm fraction soft part fats and oils having an iodine value of 55 to 75. (3) The fats and oils for chocolate according to (1) or (2), which contain 5 to 50 ppm of malonyl isoflavone glycoside. (4) Chocolate formed by blending the fats and oils for chocolate according to (1) to (3). (5) Chocolate by blending tempering type chocolate fats and oils containing 0.3 to 15% of random transesterified oil made from fats and oils containing 5 to 50% of saturated fatty acids in the constituent fatty acids To enhance and sustain the flavor of food. It is about.
- the tempering type hard butter of the present invention is tasteless and odorless, it is derived from cacao mass, cocoa, cocoa butter, powdered milk, sugar, etc. that are blended in the chocolate at the same time, and enhances the expression of natural and natural flavor of chocolate. At the same time, it is an epoch-making technology that is distinct from conventional flavors and flavor oils in that it has the effect of maintaining its flavor in the mouth.
- the saturated fatty acid in the constituent fatty acid of the fat and oil used as the raw material for the random transesterified oil of the present invention needs to be 5 to 50%, preferably 20 to 50%, more preferably 25 to 45%, still more preferably 30 to 40%.
- the saturated fatty acid preferably has 16 to 22 carbon atoms, more preferably 16 to 18 carbon atoms.
- the 1,2-saturated-3 unsaturated or 2,3-saturated-1 unsaturated triglyceride component increases in the transesterified oil, It adversely affects the texture. If it is less than 5%, the flavor enhancement and sustaining effect of chocolate is not sufficient.
- the fats and oils used as the raw material for the random transesterified oil of the present invention are not particularly limited as long as the saturated fatty acid content is within the above range, but soybean oil, rapeseed oil, corn oil, cottonseed oil, peanut oil, sunflower oil, rice bran oil, safflower oil, safflower Oils, olive oil, sesame oil, palm oil, coconut oil, palm kernel oil and other vegetable oils, beef tallow, pork tallow and other animal fats, and processed oils which have been separated, hydrogenated, etc., or combinations thereof In particular, palm fractionation low melting point oils and fats are suitable.
- the iodine value of palm fraction low melting point oils and fats suitable as fats and oils to be used as a raw material for the random transesterified oil of the present invention is preferably 55 to 75, more preferably 60 to 74, and still more preferably 64 to 73.
- the iodine value is less than 55, the 1,2-saturated-3unsaturated or 2,3-saturated-1unsaturated triglyceride component increases in the transesterified oil, and the tempering property and texture of chocolate using the oil for chocolate of the present invention are increased. Adversely affect. On the other hand, if it exceeds 75, the flavor enhancement and sustaining effect of chocolate is not sufficient.
- the random transesterification method may be a method using a chemical catalyst or an enzyme method.
- the chemical catalyst for example, an alkali metal catalyst such as sodium methylate can be used.
- the enzyme may be used by being immobilized on an ion exchange resin or diatomaceous earth by a known method, or may be used in a powder form.
- the blending amount of the random transesterified oil in the fats and oils for chocolate of the present invention is preferably 0.3 to 15%, more preferably 0.5 to 10%, still more preferably 1 to 7%, and most preferably 2 to 5 %. If the blending amount exceeds 15%, the texture of the chocolate becomes too soft and the tempering property of the chocolate is lowered, which is not preferable. If it is less than 0.3%, the flavor enhancement and sustaining effect in the chocolate is not sufficient.
- the fats and oils for chocolate of the present invention are formed by blending random transesterified oil with cacao butter, CBE, and fats and oils obtained by arbitrarily mixing them.
- CBE is fat and oil called cacao butter equivalent fats and oils. It means a tempering type fat and oil containing disaturated-2 unsaturated triglyceride (saturated: saturated fatty acid having 16 to 22 carbon atoms, unsaturated: oleic acid) as a main component.
- examples of the fats and oils include fats and oils synthesized by a transesterification technique using natural raw materials such as palm oil, shea fat, iripe fat and monkey fat, and enzymes, fractionated oils thereof, and mixed fats and oils thereof.
- the chocolate of the present invention is cocoa mass, cocoa powder, sugars such as sugar, dark chocolate made using fats and oils such as cocoa butter, fragrances, etc., for example, cocoa mass, cocoa powder, sugars such as sugar as raw materials , Fats and oils such as cocoa butter, dairy products such as whole milk powder, milk chocolate made using emulsifiers, fragrances, etc., sugars such as sugar, fats and oils such as cocoa butter, dairy products such as whole milk powder, White chocolate made using an emulsifier, a fragrance, and the like, and a color chocolate obtained by coloring a white chocolate with a pigment and flavoring with a fragrance are included in the chocolate of the present invention.
- chocolate (cacao content 35% or more), semi-chocolate (cacao content 15% or more), milk chocolate (cacao content 21% or more), semi-milk chocolate (cacao content 7% or more), chocolate use
- chocolate coating (cacao content 8% or more), which is a food product
- chocolate coating using dairy products (cacao content 5% or more)
- it is also distinguished by white and color coatings that do not contain cacao. Is also included in the chocolate of the present invention.
- the present invention enhances and sustains the natural flavor of natural chocolate derived from cacao mass, cocoa, cocoa butter, milk powder, sugar, etc. by the fats and oils of the present invention, even if the milk powder blended in the chocolate is a small amount. Even if there is a certain effect on the milky taste, in order to expect a greater effect, powdered milk such as skim milk powder or whole fat milk powder in chocolate blending is preferably 5% or more, more preferably 10% or more, most preferably Is 20% or more. For the same reason, when the enhancement and sustaining effect of cocoa flavor is greatly expected, the cocoa solid content in the chocolate is preferably 10% or more, more preferably 20% or more, and most preferably 30% or more.
- Arbitrary components such as colorants, emulsifiers, antioxidants, and fragrances used for normal confectionery use can be appropriately added to the fats and oils for chocolate of the present invention. These addition amount is 20 weight% or less with respect to the fats and oils for chocolates of this invention, Preferably it is 10 weight% or less.
- the emulsifier include glycerin fatty acid ester, sucrose fatty acid ester, sorbitan fatty acid ester, glycerin organic acid fatty acid ester, polyglycerin fatty acid ester, and lecithin.
- the malonyl isoflavone glycoside used in the present invention includes malonyl daidzin, malonyl genistin and the like that have been confirmed to exist as the main component of the isoflavone compound in soybean.
- malonyl isoflavone glycoside that is soluble in water and hardly soluble in fats and oils is contained in the fats and oils.
- the malonyl isoflavone glycoside used in the present invention is, for example, in an isoflavone-containing composition extracted and concentrated from an isoflavone compound powder produced from Okara or defatted soybean described in Patent Document 3 or a soybean cup shaft described in Patent Document 4. What is contained can be utilized.
- the content of malonyl isoflavone glycoside in the isoflavone-containing composition as described above is preferably not less than 10% by weight, more preferably not less than 20% by weight, most preferably not less than 30% by weight because it is hardly soluble in fats and oils. is there. When the content is 10% by weight or less, the oil and fat containing malonyl isoflavone glycoside is likely to be turbid, which is not preferable.
- the isoflavone-containing composition containing malonyl isoflavone glycoside includes isoflavone glycoside and aglycone, and the present invention has no problem as long as it contains malonyl isoflavone glycoside in the above content. Can be used for
- This invention is the fats and oils for chocolate containing a specific amount of malonyl isoflavone glycoside, and the chocolate using the fats and oils for chocolate shows a flavor enhancing effect.
- the content of malonyl isoflavone glycoside is preferably 5 to 50 ppm, more preferably 10 to 50 ppm, and most preferably 20 to 50 ppm. If the content of malonyl isoflavone glycoside is less than 5 ppm, the flavor enhancing effect becomes insufficient, such being undesirable. On the other hand, if it exceeds 50 ppm, the chocolate does not exhibit a further flavor enhancing effect, so that it is not necessarily contained in excess of the upper limit.
- the effect of enhancing the flavor of the present invention by blending the random transesterified oil is exhibited in the process of melting the chocolate in the mouth, but in addition, it is also exhibited by the long-lasting flavor of the chocolate after the mouth.
- the effect of containing malonyl isoflavone glycosides in the present invention is a flavor enhancing effect mainly in the process of chocolate melting in the mouth, and the combined use of a mixture of random transesterified oil and the inclusion of malonyl isoflavone glycosides A greater effect is exhibited.
- the fats and oils for chocolate containing the malonyl isoflavone glycoside of the present invention can be obtained by adding and mixing an isoflavone-containing composition containing a malonyl isoflavone glycoside to the fat.
- the method for adding and mixing the isoflavone-containing composition is not particularly limited. For example, a specified amount of a 1% isoflavone-containing composition aqueous solution is added to fats and oils heated to 70 ° C., and reduced pressure conditions of 50 to 180 ° C. and 0.5 to 100 Torr.
- a fat for chocolate containing malonyl isoflavone glycoside can be obtained by sufficiently dehydrating by treating for 15 to 1 hour with stirring under.
- the concentration of the isoflavone-containing composition aqueous solution is preferably 0.1 to 22% by weight, more preferably 1 to 10% by weight. If it is less than the lower limit, the amount of water with respect to fats and oils increases, and it takes a long time for dehydration. On the other hand, when the upper limit is exceeded, crystals such as malonyl isoflavone glycosides precipitate and the content in fats and oils decreases, which is not preferable.
- the temperature is preferably 50 to 180 ° C., and if it is less than the lower limit, it takes a long time for dehydration.
- the decompression condition is preferably 0.5 to 100 Torr, and a lower flavor can provide a better flavor.
- the isoflavone-containing composition is added in the form of a powder, and then, after 15 minutes under reduced pressure conditions of 100 to 190 ° C. and 0.5 to 100 Torr, After stirring for 1 hour, a clear oil containing malonyl isoflavone glycoside can be obtained by filtration.
- the temperature during the stirring treatment is preferably 100 to 190 ° C.
- the temperature during the stirring process is more preferably 130 to 150 ° C.
- the stirring treatment time is preferably 30 to 120 minutes, and more preferably 90 minutes or more. The stirring treatment is significantly longer than 120 minutes, and if the stirring treatment is continued significantly after 120 minutes, malonyl isoflavone glycoside Oxidation and decomposition may occur easily.
- the filtration after stirring is performed by using a suitable filter medium such as a filter cloth or a membrane filter to obtain an oil having a clear appearance.
- Oil temperature during filtration is 40 ⁇ to prevent oxidation of oil The temperature is preferably 100 ° C., preferably 50 to 80 ° C.
- Emulsifiers such as sucrose fatty acid esters, organic acid monoglycerides, and lecithin can be added.
- the amount of the emulsifier added is preferably 3% by weight or less, more preferably 1% in terms of flavor. % By weight or less is preferred.
- the isoflavone confirmation test was conducted using 12 standard products, namely daidzin, genistin, glycitin, daidzein, genistein, glycitein, malonyl daidzin, malonyl genistin, malonyl glycitin, acetyl daidzin, acetyl genistin, acetyl glycitin ( Wako Pure Chemical Industries, Ltd.) was used to confirm approximately the same retention time peak.
- 12 kinds of isoflavone concentrations (Daidin equivalent values) were quantified using a Daidine standard product, and the true isoflavone concentration was calculated by multiplying by the following quantitative coefficient.
- Quantitative coefficients of isoflavones were determined from the sum of various isoflavone concentrations.
- the HPLC conditions of the test solution and standard solution were as follows. The malonyl isoflavone glycoside content was calculated by the total amount of malonyl daidzin, malonylgenistin, and malonyl glycitin.
- Example 1 Preparation of StOSt-Containing Fat After mixing 30 parts by weight of high oleic sunflower oil with 86% oleic acid content in fatty acid and 70 parts by weight of ethyl stearate, lipase having 1,3-position selectivity was used for transesterification to obtain a reaction oil. Ethyl ester is distilled from this reaction oil by distillation, solvent fractionation is performed using acetone, purification is performed according to a conventional method, and StOSt (triglyceride in which stearic acid is bound at positions 1, 3 and oleic acid is bound at position 2) containing fat Got.
- StOSt triglyceride in which stearic acid is bound at positions 1, 3 and oleic acid is bound at position 2 containing fat Got.
- Random transesterified oil blending effect NEWSS7 (trade name: Melano NEWSS7, manufactured by Fuji Oil Co., Ltd.), which is a general cocoa butter substitute fat, was used as the fat of Comparative Example 1.
- the StOSt-containing fat of Experimental Example 1 the palm middle melting point oil (iodine value 34) and the random transesterified oil of Experimental Example 2 were blended as shown in Table 1, and the fats of Examples 1 to 7 and Comparative Examples 1 and 3 were blended.
- a milk chocolate dough was prepared by a conventional method with the composition shown in Table 2. The dough was further tempered, placed in a mold, cooled at about 5 ° C. for 30 minutes, removed from the mold, and aged for 1 week at 20 ° C.
- chocolate The taste of chocolate was evaluated by sensory evaluation in 10 stages by 10 panelists, with the evaluation items being the duration in the mouth of milk taste, sweet taste and chocolate flavor. Chocolate with a rating of 3 or more in all items was judged to have good flavor enhancement and sustained effect. Milky: The higher the number, the deeper the milky taste, and the lower the number, the lighter the milky. Sweetness: The higher the number, the stronger the sweetness, and the lower the number, the weaker the sweetness. Duration of chocolate flavor in the mouth: The larger the number, the longer the duration, the smaller the number, the shorter.
- Example 7 As the blending amount of the random transesterified oil of Experimental Example 2 increases from Example 1 to Example 7, the evaluation of milky taste, sweetness, and flavor sustainability is high and good. However, the comparative example 3 which mix
- Example 8 (Malonylisoflavone glycoside content 41.3%) and treat for 30 minutes with stirring under reduced pressure at 120 ° C and 2 Torr for sufficient dehydration
- milk chocolate was produced in the same manner as in Test Example 1, and the taste was evaluated. The results are shown in Table 4.
- Example 8 As the malonyl isoflavone glycoside content increases from Example 8 to Example 12, the evaluation of milky taste and sweetness is particularly high and good. However, although Comparative Example 4 containing 62 ppm was highly evaluated for milk taste and sweetness, bitterness and off-taste derived from malonylisoflavone glycosides were felt and were poor.
- Test Example 3 (Test Example 3) Combined Effect In the same manner as Test Example 1 and Test Example 2, Comparative Example 1 and Example 13 containing or containing the random transesterified oil of Example 2 and malonyl isoflavone glycoside as shown in Table 5 ⁇ 15 oils were obtained. A milk chocolate was produced from these fats and oils in the same manner as in Test Example 1, and the taste was evaluated. The results are shown in Table 5.
- bitter chocolate using Example 16 does not contain powdered milk, the milky taste is naturally evaluated as 0, but it has a good flavor as chocolate. It was confirmed that the effect of the present invention was exhibited even with bitter chocolate.
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Abstract
Description
(1)構成脂肪酸中の飽和脂肪酸が5~50%である油脂を原料としたランダムエステル交換油を、0.3~15%配合してなるテンパリングタイプのチョコレート用油脂。
(2)前記ランダムエステル交換油の原料油脂が、ヨウ素価55~75のパーム分別軟質部油脂である(1)に記載のチョコレート用油脂。
(3)マロニルイソフラボン配糖体を5~50ppm含有することを特徴とする(1)又は(2)に記載のチョコレート用油脂。
(4)(1)乃至(3)に記載のチョコレート用油脂を配合してなるチョコレート。
(5)構成脂肪酸中の飽和脂肪酸が5~50%である油脂を原料としたランダムエステル交換油を、0.3~15%配合してなるテンパリングタイプのチョコレート用油脂を配合することで、チョコレートの風味を増強及び持続させる方法。
に関するものである。
飽和脂肪酸量が50%を超えるとエステル交換油中に1,2飽和-3不飽和又は2,3飽和-1不飽和トリグリセリド成分が多くなり本発明のチョコレート用油脂を用いたチョコレートのテンパリング性や食感に悪影響を及ぼす。また5%未満ではチョコレートでの風味増強及び持続効果が十分でない。
前記乳化剤としては、グリセリン脂肪酸エステル、蔗糖脂肪酸エステル、ソルビタン脂肪酸エステル、グリセリン有機酸脂肪酸エステル、ポリグリセリン脂肪酸エステル、レシチン等が挙げられる。
分として存在が確認されているマロニルダイジン、マロニルゲニスチン等である。本発明は、かかる水に可溶で油脂難溶性のマロニルイソフラボン配糖体を油脂中に含有させるものである。
大豆から製造されるイソフラボン化合物粉末や特許文献4記載の大豆杯軸から抽出、濃縮
されたイソフラボン含有組成物中に含有されるものを利用することができる。上記のよう
なイソフラボン含有組成物中のマロニルイソフラボン配糖体の含有量は、油脂難溶性であ
るため、好ましくは10重量%以上、さらに好ましくは20重量%以上、最も好ましくは
30重量%以上である。含有量が10重量%以下であると、マロニルイソフラボン配糖体
を含有させた油脂に濁りが生じ易くなるため、好ましくない。
ボン配糖体やアグリコンなどが含まれるが、マロニルイソフラボン配糖体を上記含有量で
含有するものであれば問題なく本発明に使用することができる。
これに対して本発明におけるマロニルイソフラボン配糖体含有の効果は主にチョコレートが口中で溶けていく過程での風味増強効果であり、ランダムエステル交換油の配合とマロニルイソフラボン配糖体の含有の併用によりさらに大きな効果が発揮される。
観上清澄な油脂とするのが望ましい。ろ過時の油脂温度は、油脂の酸化防止のため40~
100℃、好ましくは50~80℃であるのが好ましい。なお、マロニルイソフラボン配
糖体を油脂中に含有させる工程において、必要に応じてポリグリセリン脂肪酸エステル、
蔗糖脂肪酸エステル、有機酸モノグリセリド、レシチンなどの乳化剤を添加することがで
きる。かかる乳化剤の添加量は、風味的に3重量%以下が好ましく、さらに好ましくは1
重量%以下が好ましい。
イソフラボンとして1~10mgに対応する試料を正確に秤量し、これに70%(v/
v)エタノールを25mL加えた。30分間室温で撹拌抽出した後、遠心分離して抽出液
を得た。残渣は同様の抽出操作を更に2回行った。計3回分の抽出液を70%(v/v)
エタノールで100mLに定容し、0.45μmPVDFフィルターにて濾過したものを
試験溶液とした。
イソフラボンの確認試験は標準品12種類、すなわちダイジン、ゲニスチン、グリシチ
ン、ダイゼイン、ゲニステイン、グリシテイン、マロニルダイジン、マロニルゲニスチン
、マロニルグリシチン、アセチルダイジン、アセチルゲニスチン、アセチルグリシチン(
和光純薬工業株式会社)を用い、ほぼ同じリテンションタイムのピークを確認した。定量
試験はダイジン標準品を用いて12種類のイソフラボン濃度(ダイジン換算値)を定量し
、下記の定量係数を乗じることにより真のイソフラボン濃度を算出した。
イソフラボンの定量係数:ダイジン(1.000)、ゲニスチン(0.814)、グリシ
チン(1.090)、マロニルダイジン(1.444)、マロニルゲニスチン(1.09
5)、マロニルグリシチン(1.351)、アセチルダイジン(1.094)、アセチル
ゲニスチン(1.064)、アセチルグリシチン(1.197)、ダイゼイン(0.58
3)、ゲニステイン(0.528)、グリシテイン(0.740) そして各種イソフラ
ボン濃度の総和からイソフラボン量を求めた。なお、試験溶液及び標準溶液のHPLC条
件は下記ように行った。マロニルイソフラボン配糖体含有量は、マロニルダイジン、マロ
ニルゲニスチン、マロニルグリシチンの合計量で算出した。
カラム:YMC-Pack ODS-AM-303(4.6×250mm)
移動相:A液 アセトニトリル:水:酢酸=15:85:0.1(v/v/v)
B液 アセトニトリル:水:酢酸=35:65:0.1(v/v/v)
A液 → B液 直線濃度グラジエント(50分間)
流速:1.0ml/分
温度:25℃
検出:UV254nm
注入量:10μl
構成脂肪酸中のオレイン酸含量が86%の高オレイン酸ヒマワリ油30重量部とステアリン酸エチル70重量部を混合した後、1,3位選択性のあるリパーゼを用いてエステル交換を行い、反応油を得た。この反応油よりエチルエステルを蒸留により留去し、アセトンを用いて溶剤分別を行い、常法に従い精製を行いStOSt(1,3位にステアリン酸、2位にオレイン酸が結合したトリグリセリド)含有脂を得た。
(実験例2)ランダムエステル交換油の調製
構成脂肪酸中の飽和脂肪酸含量が35%であってヨウ素価が68であるパーム分別軟質部油脂をナトリウムメチラートを用いてランダムエステル交換を行った後に常法に従い精製を行い、ランダムエステル交換油を得た。
一般的なココアバター代用脂であるNEWSS7(商品名:メラノNEWSS7、不二製油株式会社製)を比較例1の油脂とした。また実験例1のStOSt含有脂、パーム中融点部油脂(ヨウ素価34)及び実験例2のランダムエステル交換油を表1の如く配合して実施例1~7及び比較例1、3の油脂を得たのちに、表2の配合で常法によりミルクチョコレート生地を調製した。さらにこの生地をテンパリング処理したのち、モールド(型)に入れ、約5℃で30分冷却した後、モールドより外し、20℃で1週間熟成(エージング)した後食味評価を行った。ここで表1におけるStOSt含有脂とパーム中融点部油脂の配合量は得られるミルクチョコレートの品温20℃における噛み出しの固さを比較例1で得られたチョコレートと同等になるように適宜調整することにより、試験例1におけるそれぞれのチョコレートが同じ固さで食味評価できるようにした。なお食味評価は以下の基準を用いた。結果を表3に示す。
チョコレートの食味は、評価項目を乳味、甘味及びチョコレートの風味の口中での持続時間として、10名のパネラーによる10段階での官能評価により行った。
すべての項目で3以上の評価となったチョコレートを風味増強及び持続効果が良好と判断した。
乳味:数字が大きい方が乳味が濃く、数字が小さい方が乳味薄い。
甘味:数字が大きい方が甘味が強く、数字が小さい方が甘味が弱い。
チョコレートの風味の口中での持続時間:数字が大きい方が持続時間が長く、数字が小さい方が短い。
ただし20%のランダムエステル交換油を配合した比較例3は軟らかくチョコレートとしての物性を損ねており不良であった。またモールドからの剥離性が他の実施例と比べ低下しており、テンパリング性の悪化がうかがわれた。
メラノNEWSS7を98部、パーム分別低融点油脂(ヨウ素価67)を2部混合した油脂を比較例2の油脂とした。
一方メラノNEWSS7を98部、パーム分別低融点油脂(ヨウ素価67)を2部混合した油脂3,000gを70℃に加温したものに対して、イソフラボン含有組成物(商品名:ソヤフラボンHG、不二製油株式会社製、マロニルイソフラボン配糖体含有量41.3%)の1.5%水溶液を適量添加し、120℃、2Torrの減圧条件下で攪拌しながら30分間処理して十分に脱水を行い、マロニルイソフラボン配糖体を6.2 ppm含有する実施例8の油脂、14.9ppm含有する実施例9の油脂、18.6ppm含有する実施例10の油脂、26.0ppm含有する実施例11の油脂、37.2ppm含有する実施例12の油脂、62.0ppm含有する比較例4の油脂を得た。これら実施例8~12及び比較例2,4の油脂を使用して、試験例1と同様にミルクチョコレートを製造し、食味評価を行った。結果を表4に示す。
ただし62ppm含有の比較例4は乳味、甘味は高評価であるものの、マロニルイソフラボン配糖体に由来する苦味、異味が感じられ不良であった。
試験例1及び試験例2と同様にして、実験例2のランダムエステル交換油とマロニルイソフラボン配糖体を表5に示す如く配合又は含有する比較例1及び実施例13~15の油脂を得た。これらの油脂を試験例1と同様にしてミルクチョコレートを製造し、食味評価を行った。結果を表5に示す。
試験例3と同様にして実験例2のランダムエステル交換油とマロニルイソフラボン配糖体を表6に示す如く配合又は含有する比較例2及び実施例16の油脂を得た。さらに比較例2及び実施例16の油脂をそれぞれ30.0部、全脂粉乳26.0部、砂糖44.0部、レシチン適量を原料にして定法に従いホワイトチョコレート生地を調製した。さらにこのホワイトチョコレート生地をテンパリング処理したのち、モールド(型)に入れ、約5℃で30分冷却した後、モールドより外し、20℃で1週間熟成(エージング)した後に食味の評価を行った。評価結果を表6に示す。
ホワイトチョコレートの配合をビターチョコレートの配合(比較例2及び実施例16の油脂をそれぞれ10.0部、カカオマス40.0部、砂糖47.0部、ココアバター3.0部、レシチン適量)とした以外は試験例4と同様にして食味の評価を行った。評価結果を表7に示す。
ビターチョコレートでも本発明の効果が発揮されることが確認された。
Claims (5)
- 構成脂肪酸中の飽和脂肪酸が5~50%である油脂を原料としたランダムエステル交換油を、0.3~15%配合してなるテンパリングタイプのチョコレート用油脂。
- 前記ランダムエステル交換油の原料油脂が、ヨウ素価55~75のパーム分別軟質部油脂である請求項1に記載のチョコレート用油脂。
- マロニルイソフラボン配糖体を5~50ppm含有することを特徴とする請求項1又は2に記載のチョコレート用油脂。
- 請求項1乃至3に記載のチョコレート用油脂を配合してなるチョコレート。
- 構成脂肪酸中の飽和脂肪酸が5~50%である油脂を原料としたランダムエステル交換油を、0.3~15%配合してなるテンパリングタイプのチョコレート用油脂を配合することで、チョコレートの風味を増強及び持続させる方法。
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PL14850687T PL3053450T3 (pl) | 2013-10-06 | 2014-10-01 | Olej lub tłuszcz dla czekolady rodzaju do temperowania |
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US15/026,251 US11330829B2 (en) | 2013-10-06 | 2014-10-01 | Oil or fat for tempering type chocolate |
EP14850687.6A EP3053450B1 (en) | 2013-10-06 | 2014-10-01 | Tempering-type oil or fat for chocolate |
BR112016006974A BR112016006974A2 (pt) | 2013-10-06 | 2014-10-01 | óleo ou gordura para chocolate do tipo temperado |
CN201480051960.9A CN105592708A (zh) | 2013-10-06 | 2014-10-01 | 调温型巧克力用油脂 |
PH12016500614A PH12016500614A1 (en) | 2013-10-06 | 2016-04-05 | Oil or fat compositon tempering type chocolate |
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