JP3618321B2 - Bakery product mix and bakery product using the same - Google Patents

Bakery product mix and bakery product using the same Download PDF

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JP3618321B2
JP3618321B2 JP2002030344A JP2002030344A JP3618321B2 JP 3618321 B2 JP3618321 B2 JP 3618321B2 JP 2002030344 A JP2002030344 A JP 2002030344A JP 2002030344 A JP2002030344 A JP 2002030344A JP 3618321 B2 JP3618321 B2 JP 3618321B2
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starch
oil
weight
fat
parts
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JP2003230351A (en
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恭一 岩田
香織 平岡
勝 後藤
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株式会社J−オイルミルズ
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Description

【0001】
【発明の属する技術分野】
本発明は、長期間保存しても良好な食感が維持されるベーカリー製品に関する。
【0002】
【従来の技術】
食感は食品の美味しさにおいて最も重要な要素の一つであり、ベーカリー製品においても、サックリ、ソフト、しっとり、もちもち等様々な食感バラエティが存在する。特にもちもちとした食感は、日本人の嗜好に合うと言われ、もちもち感を付与する方法が種々提案されている。例えば、α化タピオカ澱粉を主成分とし、所定量のナチュラルチーズ粉と乾燥ミルク等を混和成型してなる食品生地(特開平1−26662号公報)、小麦粉45〜70重量部、α化小麦粉および/またはα化澱粉10〜30重量部、エーテル化澱粉10〜30重量部からなる澱粉系原料100重量部に対し、砂糖50〜280重量部、食用油脂10〜50重量部および膨材5〜10重量部を加えた混合物からなることを特徴とするベーカリー製品用プレミックス(特開平8−38028号公報)などが知られている。しかし、前者においては、α化タピオカ澱粉が主体であるため、ネチャついた食感になってしまい、後者の場合には、逆にα化澱粉の配合量が少ないため、しっとりとしてもちもちした食感を発揮させるには不十分である。最近ではワキシーコーンスターチとα化澱粉を組み合わせたベーカリー製品(特開平10−56946号公報)も提案されているが、この方法でも、製造直後にはしっとりとしてもちもちとした食感は得られるが、その良好な食感を長期間保持するにはまだ十分とはいえない。このようにベーカリー製品の製造において、長期間しっとりとしてもちもちとした良好な食感を維持する方法は未だ確立されていないのが実状である。
【0003】
【発明が解決しようとする課題】
本発明は、ベーカリー製品製造における上記の問題を解決し、しっとりとしてもちもちとした良好な食感が長期間維持されるベーカリー製品を提供せんとするものである。
【0004】
【課題を解決するための手段】
本発明者らは、上記目的を達成せんと鋭意検討を重ねた結果、原料粉中に、澱粉スラリーを油脂の共存下で加熱してなる特定の油脂α化澱粉質を配合することにより、しっとりとしてもちもちとした良好な食感が長時間維持されるベーカリー製品を製造し得ることを見出し、本発明を完成するに至った。すなわち、本発明は、原料粉100重量部中に、澱粉スラリーを油脂の共存下で加熱してなる油脂分離度が50%以下および付着度が5%以下である油脂α化澱粉質を20〜80重量部含むことを特徴とするベーカリー製品用ミックスである。さらに、本発明は、上記ミックス中に澱粉および/または糖質を配合することを特徴とする。
【0005】
【発明の実施の形態】
本発明の油脂α化澱粉質は、澱粉スラリーに油脂を投入し攪拌により均一に分散させた後、油脂分離度が50%以下および付着度が5%以下になるように加熱して得られるものであり、油脂分離度と付着度が上記の範囲に入るものであれば加熱手段や加熱条件には特に制限はない。
しかし、澱粉をα化させる際、澱粉スラリーに油脂を配合してなる油脂含有澱粉スラリーを、澱粉粒が完全に崩壊しない程度(澱粉粒が崩壊しないとは、糊化させた糊液の状態で膨潤澱粉粒が残存することをいう)で加熱・α化する方法が望ましい。
そのひとつに、澱粉スラリーに油を配合させ均一にしたものを直接ドラムドライヤーで加熱糊化させ、乾燥する方法がある。この場合、澱粉スラリーはドラムドライヤーのホットローラー上面で加熱され糊化されるため、澱粉自体にせん断力がかかることがなく、澱粉粒を崩壊させることなく糊化することが可能である。また、澱粉粒を崩壊させることなく糊化させる他の方法として、オンレーター(間接加熱機)を使用して糊化させドラムドライヤーで乾燥させる方法がある。これは、1)澱粉スラリーに油脂を配合し攪拌することで均一に分散させたスラリーを調製し、このスラリーをオンレーターにより油の共存下で澱粉を糊化させ、糊液にする、2)この糊液をただちに常法によりドラムドライヤーに薄く広げて110〜180℃で乾燥し、粉砕機で粉砕することで油脂α化澱粉質を製造するものである。
【0006】
油脂分離度の測定
本発明において、油脂α化澱粉質の油脂分離度は以下の方法で測定する。すなわち、試料2g(ドライベース)に対して蒸留水40mlを加え、5分間ボイル後、攪拌して均一な糊液とした。これを常温に下がるまで約30分間静置した。次いで遠心分離(2800g、30分間)し、上層に分離した油脂分をヘキサンに溶解させ分離、洗い後、抽出した。これを遠心分離油量とした。また、全油分の測定法は、試料2g(ドライベース)に対して蒸留水40mlを加え、5分間ボイル後、攪拌して均一な糊液とした。これを常温に下がるまで約30分間静置した。これに、α−アミラーゼ(100units)を添加し、37℃、6時間静置し、完全に澱粉を分解させた。その後、遠心分離(2800g、30分間)し、上層に分離した油脂分をヘキサンに溶解させ分離、洗い後、抽出した。これを全油量とした。
全油分(澱粉中の全油分)%=全油量/試料×100
油脂分離度%=遠心分離油量/全油量×100
【0007】
付着度の測定
本発明において、付着度の測定は以下の方法で行う。油脂α化澱粉質9gと水27gを混ぜて(3倍加水)ペレットを作成する。ペレットをテクスチュロメーター(GENERAL FOODS CORP)でプランジャーに付着した重量(Ag)を測定し、全体量(36g)に対する割合を計算する。
付着度(%)=A/36×100
テクスチュロメーター条件
プランジャー :直径50mm大型平面真鍮プランジャー
試験台 :椀状のアルミカップ
クリアランスゲージ:4.0mm
【0008】
本発明の油脂α化澱粉質は、糊化時に油を均一な状態で混合し、乾燥させることで澱粉と油脂が複合体を形成するものと考えられる。このため、乾燥後は水に溶解しても油が分離せず、油の作用でα化澱粉特有のべたつきを抑えることができるものと思われる。また、澱粉粒を崩壊させない緩やかな反応で糊化させることで澱粉の損傷が少ないため、粘度、吸水度の低下がなくα化澱粉の特徴を十分残している。このような理由から、食品への応用時、例えば、製パンに使用する場合には、通常はα化物を添加して製パンすると、食感は変化するが生地がべたついてしまい作業性が悪くなってしまうが、本発明の油脂α化澱粉質を添加すると、生地のべたつきもなく作業性は良好で、吸水力が高いため十分に水を保持することが可能であり、かつ、食感が通常のα化澱粉よりもやわらかく、しっとりし口溶けの良いものになる。
【0009】
油脂α化澱粉質質において使用できる澱粉としては、コーンスターチ、ワキシーコーンスターチ、ハイアミロースコーンスターチ、馬鈴薯澱粉、小麦澱粉、タピオカ澱粉、緑豆澱粉、サゴ澱粉、米澱粉、エンドウ豆澱粉、およびこれらの加工澱粉、例えば、エステル化処理、エーテル化処理、架橋処理、酸処理、酸化処理、湿熱処理、さらに、これらを組み合わせた加工等の食品加工澱粉があり、また、餅種米、米、小麦、とうもろこしなどの粉砕物も含む、これらを単独または併用して使用できる。好ましくは餅種米粉砕物、タピオカ加工澱粉、ワキシーコーンスターチである。
【0010】
油脂α化澱粉質において使用できる油脂は、食用に供されるものであれば特に制限はなく、大豆油、ナタネ油、ハイオレイックナタネ油、パーム油、パーム核油、コーン油、ハイリノールサフラワー油、ハイオレイックサフラワー油、綿実油等の植物油や牛脂、豚脂、魚油、乳脂等の動物油およびこれらの混合油が挙げられる。また、これらの油脂を水素添加(硬化)、エステル交換、分別等の処理をした加工油脂やバター、マーガリン、ショートニング、油脂粉末、粉末油脂等が挙げられ、これらを単体もしくは混合したものが用いられる。好ましくは酸化安定性のある水素添加油脂である。また、酸化防止剤を用いることによりあらゆる油脂に対応できる。これらの油脂の添加量は、用いる澱粉100重量部に対して1〜100重量部であり、3〜25重量部が望ましい。1重量部以下ではべたつきの軽減が十分でなく、100重量部以上になると油脂過剰になり、澱粉から滲み出してしまい商品価値が低下する。
油脂α化澱粉質は、原料粉100重量部中好ましくは20〜80重量部、さらに好ましくは30〜60重量部使用する。使用量が多いほど食感が維持できるが、保型性がやや低下する傾向があり、逆に少なすぎると食感の維持がし難い面がある。
【0011】
また、本発明では、原料粉に油脂α化澱粉質と共に澱粉を配合することができる。
使用できる澱粉としては、コーンスターチ、ワキシーコーンスターチ、ハイアミロースコーンスターチ、馬鈴薯澱粉、小麦澱粉、タピオカ澱粉、緑豆澱粉、サゴ澱粉、米澱粉、エンドウ豆澱粉、およびこれらにエステル化処理、エーテル化処理、架橋処理、酸処理、酸化処理、湿熱処理、α化等の物理的または化学的処理を単独で、または組み合わせて施した加工澱粉を挙げることができる。これら各種澱粉の中でも、ヒドロキシプロピルタピオカ澱粉、アセチルタピオカ澱粉が好ましく、そのうち、置換度が0.015以上、さらには0.04〜0.2のものが特に好ましい。
澱粉は、原料粉100重量部中20〜70重量部を配合するのが好ましい。さらに好ましくは30〜50重量部使用する。
【0012】
また、本発明では、原料粉に油脂α化澱粉質と共に、さらに糖質を配合することができる。糖質は澱粉の老化を抑制する効果があるため、その配合量は多いほどしっとりとしたもちもち食感を維持できる。
本発明で使用される糖質は、一般にベーカリー製品に使用される糖質であればよく、グルコース等の単糖類、砂糖、マルトースおよびトレハロースの2糖類、オリゴ糖、異性化糖、還元澱粉分解物などが例示される。また、これら糖類は単独でまたは2種以上を組み合わせて使用できる。
糖質の配合量は特に制限はないが、原料粉100重量部に対して20〜150重量部が好ましく、さらに好ましくは30〜100重量部である。
【0013】
本発明では、穀粉を使用することもできる。穀粉としては、餅種米、米、小麦、とうもろこしなどの穀粉砕物が使用でき、これらを単独または2種以上を併用して使用することができる。
本発明において、ベーカリー製品で使用される副材料を併用してもよい。これらの中には、乳化剤、多糖類、酵素、卵、乳製品、油脂類、香辛料、洋酒類、香料、人工甘味料、食物繊維、活性グルテン、ココアパウダー、野菜粉末等があり、これらは必要に応じて単独または2種以上を組み合わせて使用できる。
本発明においてベーカリー類とは、穀類と水分を捏ね合せた生地を焼成するものであり、具体的にはパン類、ドーナツ類、ビスケット・クッキー類、クラッカー類、パイ類、ケーキ類、ドーナツ類、小麦煎餅類、米菓類等である。
本発明において焼成とは、広く生地を加熱することを意味し、通常のベイキングの他に、フライ、蒸し上げ等の処理も含まれる。
【0014】
以下、実施例によって本発明を説明するが、本発明は、これらの例に限られるものではない。
油脂α化澱粉の調製
下記に示す方法により油脂α化澱粉を調製し、各々油脂分離度と付着度を測定した。
【試験例1】
200重量部の湯(50℃)に攪拌しながら架橋アセチル化タピオカ澱粉90重量部を混ぜ、スラリーを調製し、さらに、菜種硬化油10重量部を加え攪拌し均一に分散させながら、スラリーをオンレーター(出口温度100℃前後)で糊化させ、この糊液をただちに常法によりドラムドライヤーに薄く広げ、150℃で加熱、乾燥した後、粉砕機で粉砕し、油脂α化澱粉質を得た。油脂分離度は5%、付着度は1%であった。
【0015】
【試験例2】
300重量部の水に攪拌しながらワキシーコーンスターチ40重量部(乾燥重量)を混ぜ、スラリーを調製し、さらに、大豆油8重量部を加え攪拌し均一に分散させながら、スラリーをオンレーター(出口温度100℃前後)で糊化させ、この糊液をただちに常法によりドラムドライヤーに薄く広げ、150℃で加熱、乾燥した後、粉砕機で粉砕し、油脂α化澱粉質を得た。油脂分離度は12%、付着度は2%であった。
【0016】
【試験例3】
150重量部の湯(50℃)に攪拌しながら餅種米粉砕物90重量部を混ぜ、スラリーを調製し、さらに、大豆硬化油10重量部を加え攪拌し均一に分散させながら、スラリーをオンレーター(出口温度100℃前後)で糊化させ、この糊液をただちに常法によりドラムドライヤーに薄く広げ、150℃で加熱、乾燥した後、粉砕機で粉砕し、油脂α化澱粉質を得た。油脂分離度は5%、付着度は2%であった。
【0017】
【試験例4】
菜種硬化油10重量部を60℃で溶解させて液状油とし、これとα化タピオカ澱粉90重量部をミキサーで混合した。この混合物に対して水を50重量%の割合で混合した後、2.5mmの孔を10個有するダイを備えた2軸エクストルーダースクリューで速度250rpmで押出し処理した。2軸エクストルーダー処理は、バレル加熱温度は、第1バレル80℃、第2、第3および第4バレルは170℃とした。第4バレルの先端に脱着可能に取り付けられたダイの孔から押出すことにより、油脂含有α化澱粉の膨化物を得た。この時のダイ出口の圧力は15kg/cm、出口温度144℃であった。この膨化物を110℃の乾燥機で10分間乾燥させ、その後粉砕した。
油脂分離度は54%、付着度は3%であった。
【0018】
【試験例5】
150重量部の水を攪拌しながら餅種米粉砕物100部を混ぜ、スラリーを調製し、攪拌しながらスラリーをオンレーター(出口温度100℃前後)で糊化させ、この糊液をただちに常法によりドラムドライヤーに薄く広げ、150℃で加熱、乾燥した後、粉砕機で粉砕し、餅米α化物を得た。油脂分離度は0%、付着度は8%であった。
【0019】
【実施例】
以下に示す配合よりなるベーカリー製品用ミックスを用い、所定の作業方法でベーカリー製品を得た。
【実施例1】

Figure 0003618321
【0020】
【実施例2】
Figure 0003618321
【0021】
【実施例3】
Figure 0003618321
【0022】
【実施例4】
Figure 0003618321
【0023】
【実施例5】
Figure 0003618321
【0024】
【実施例6】
Figure 0003618321
【0025】
【比較例1】
Figure 0003618321
【0026】
【比較例2】
Figure 0003618321
【0027】
上記の実施例および比較例の評価結果を表1に示す。
作成したベーカリー製品について、出来立ての食感と、25℃でそれぞれ1ケ月、2ケ月、5ケ月保存後の食感を調べた。専門パネラー20人が食すことにより比較し評価した。評価項目は、もちもち食感としっとり感で行った。もちもち食感は、「1:もちもちしていない、2:ややもちもち食感、3:もちもち食感」の尺度により評価を行った。しっとり感は、「1:パサつく、2:ややパサつく、3:普通、4:ややしっとり、5:しっとり」の尺度により評価を行った。表1に示される数値は、専門パネルの評点の平均値である。
また、ここでいう保型性とは、焼成後のサンプルの形がくずれないかどうかを表している。形がくずれないのを○、やや形がくずれるのを△、形がくずれるのを×とした。
実施例2、4、5のように油脂α化澱粉質を、より好ましい量にて配合したものは、5ヶ月後もしっとりとしてもちもちとした食感が維持されていた。糖質を配合しない実施例6は、5ヶ月後のしっとりとしてもちもちとした食感の維持がやや劣る結果となった。
【0028】
【表1】
Figure 0003618321
【0029】
【発明の効果】
原料粉中に、澱粉スラリーを油脂の共存化で加熱してなる油脂分離度が50%以下および付着度が5%以下である油脂α化澱粉質を配合したミックスを用いたベーカリー製品は、長期間の保存中にしっとりしてもちもちとした良好な食感を維持することができる。原料粉中に澱粉、特にヒドロキシプロピル澱粉、アセチル澱粉のごとき加工澱粉や糖質を併用すると、上記効果はさらに高められる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bakery product that maintains a good texture even after long-term storage.
[0002]
[Prior art]
The texture is one of the most important factors in the deliciousness of food, and various varieties of texture such as crisp, soft, moist and mochi are also present in bakery products. Particularly, it is said that the glutinous texture matches the taste of the Japanese, and various methods for imparting the glutinous feeling have been proposed. For example, food dough (JP-A 1-26662) obtained by mixing and molding a predetermined amount of natural cheese powder and dry milk, etc., containing α-ized tapioca starch as a main component, wheat flour 45-70 parts by weight, α-ized wheat flour and / 50 to 280 parts by weight of sugar, 10 to 50 parts by weight of edible oil and fat, and 5 to 10 parts of expanded material with respect to 100 parts by weight of starch-based raw material comprising 10 to 30 parts by weight of pregelatinized starch and 10 to 30 parts by weight of etherified starch Known is a premix for bakery products (Japanese Patent Laid-Open No. 8-38028) characterized by comprising a mixture to which parts by weight are added. However, in the former, pregelatinized tapioca starch is the main ingredient, resulting in a texture that is sticky. In the latter case, the blended amount of pregelatinized starch is small, and the texture is moist. It is not enough to make it appear. Recently, a bakery product combining Japanese waxy corn starch and pregelatinized starch (Japanese Patent Laid-Open No. 10-56946) has also been proposed, but even with this method, a moist and moist texture can be obtained immediately after production. It is still not enough to maintain a good texture for a long time. Thus, in the manufacture of bakery products, a method for maintaining a good texture that is moist and moist for a long period of time has not yet been established.
[0003]
[Problems to be solved by the invention]
The present invention solves the above problems in the manufacture of bakery products, and provides a bakery product that maintains a moist and good texture for a long period of time.
[0004]
[Means for Solving the Problems]
As a result of intensive studies to achieve the above-mentioned object, the inventors of the present invention blended a specific fat and oiled starch starch obtained by heating starch slurry in the presence of fats and oils into the raw material powder. As a result, it has been found that a bakery product can be produced in which a good texture is maintained for a long time, and the present invention has been completed. That is, the present invention is 20 to the raw material powder in 100 parts by weight, the oil separation degree fat α-starch protein 50% or less and attaching degree is 5% or less formed by heating the starch slurry in the presence of fat A bakery product mix characterized by containing 80 parts by weight . Furthermore, the present invention is characterized in that starch and / or sugar is blended in the mix.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
The oil-fat pregelatinized starch of the present invention is obtained by adding fat to a starch slurry and uniformly dispersing it by stirring, and then heating it so that the fat separation degree is 50% or less and the adhesion degree is 5% or less. The heating means and heating conditions are not particularly limited as long as the oil separation degree and the adhesion degree are within the above ranges.
However, when the starch is gelatinized, the fat-containing starch slurry obtained by blending fats and oils into the starch slurry is such that the starch granules are not completely disintegrated (the starch granules do not disintegrate in the state of the gelatinized paste liquid. A method of heating and pregelatinizing the swelling starch granules is desirable.
One of them is a method in which a starch slurry is blended with oil and uniformized, and directly gelatinized with a drum dryer and dried. In this case, since the starch slurry is heated and gelatinized on the upper surface of the hot roller of the drum dryer, the starch itself is not subjected to shearing force and can be gelatinized without causing the starch granules to collapse. Further, as another method of gelatinizing starch particles without breaking them, there is a method of gelatinizing using an onlator (indirect heating machine) and drying with a drum dryer. This consists of 1) preparing a slurry in which fats and oils are mixed in a starch slurry and stirring to prepare a slurry that is uniformly dispersed, and the slurry is gelatinized in the presence of oil by an onlator to form a paste solution 2) This paste solution is immediately spread thinly on a drum dryer by a conventional method, dried at 110 to 180 ° C., and pulverized by a pulverizer to produce a fat and oiled starchy substance.
[0006]
Measurement of Oil / Fat Separation Level In the present invention, the fat / oil separation degree of the oil / fat pregelatinized starch is measured by the following method. That is, 40 ml of distilled water was added to 2 g of sample (dry base), boiled for 5 minutes, and then stirred to obtain a uniform paste solution. This was left still for about 30 minutes until it fell to normal temperature. Subsequently, the mixture was centrifuged (2800 g, 30 minutes), and the fat and oil separated in the upper layer was dissolved in hexane, separated, washed and extracted. This was the amount of centrifugal oil. The total oil content was measured by adding 40 ml of distilled water to 2 g of sample (dry base), boiled for 5 minutes, and stirred to obtain a uniform paste solution. This was left still for about 30 minutes until it fell to normal temperature. Α-amylase (100 units) was added thereto, and the mixture was allowed to stand at 37 ° C. for 6 hours to completely decompose the starch. Thereafter, the mixture was centrifuged (2800 g, 30 minutes), and the fat and oil separated in the upper layer was dissolved in hexane, separated, washed and extracted. This was the total oil amount.
Total oil content (total oil content in starch)% = total oil amount / sample × 100
Oil separation% = centrifugal oil amount / total oil amount × 100
[0007]
Measurement of degree of adhesion In the present invention, the degree of adhesion is measured by the following method. A pellet is prepared by mixing 9 g of oil-fat pregelatinized starch and 27 g of water (3 times water addition). The weight (Ag) of the pellet attached to the plunger is measured with a texturometer (GENERAL FOODS CORP), and the ratio to the total amount (36 g) is calculated.
Adhesion degree (%) = A / 36 × 100
Texturometer conditions Plunger: 50mm diameter large flat brass plunger Test stand: Bowl-shaped aluminum cup clearance gauge: 4.0mm
[0008]
It is considered that the oil and fat pregelatinized starchy material of the present invention forms a complex of starch and fat by mixing the oil in a uniform state during gelatinization and drying. For this reason, even if it melt | dissolves in water after drying, oil will not isolate | separate and it seems that the stickiness peculiar to pregelatinized starch can be suppressed by the effect | action of oil. In addition, since starch is less damaged by gelatinizing with a mild reaction that does not disrupt the starch granules, the viscosity and water absorption are not lowered, and the characteristics of pregelatinized starch remain sufficiently. For this reason, when applied to foods, for example, when used for bread making, bread is usually added with pregelatinized food, but the texture changes but the dough becomes sticky and the workability is poor. However, when the oily and fat pregelatinized starch of the present invention is added, the dough is not sticky, the workability is good, the water absorption is high, and water can be retained sufficiently, and the texture is It is softer than normal pregelatinized starch and moist and melts well.
[0009]
Starch that can be used in the fat and oil-modified starch quality includes corn starch, waxy corn starch, high amylose corn starch, potato starch, wheat starch, tapioca starch, mung bean starch, sago starch, rice starch, pea starch, and modified starches thereof, For example, there are esterification treatment, etherification treatment, crosslinking treatment, acid treatment, oxidation treatment, wet heat treatment, food processing starch such as combination processing, etc., and varieties of rice, rice, wheat, corn, etc. These including pulverized products can be used alone or in combination. Preferred are pulverized rice seeds, tapioca processed starch, and waxy corn starch.
[0010]
The fats and oils that can be used in the pregelatinized starch of fats and oils are not particularly limited as long as they are provided for edible use. Soybean oil, rapeseed oil, high-oleic rapeseed oil, palm oil, palm kernel oil, corn oil, highlinol Examples thereof include vegetable oils such as flower oil, high oleic safflower oil, and cottonseed oil, and animal oils such as beef tallow, lard, fish oil, and milk fat, and mixed oils thereof. In addition, processed fats and oils such as hydrogenation (curing), transesterification, fractionation, and the like of these fats and oils, butter, margarine, shortening, fat powder and powdered fats and oils, and the like can be used. . Preferably, it is a hydrogenated oil and fat with oxidation stability. Moreover, it can respond to all fats and oils by using antioxidant. The addition amount of these fats and oils is 1-100 weight part with respect to 100 weight part of starch to be used, and 3-25 weight part is desirable. When the amount is 1 part by weight or less, the stickiness is not sufficiently reduced. When the amount is 100 parts by weight or more, the oil becomes excessive and oozes from the starch, resulting in a reduction in commercial value.
The fat and oily pregelatinized starch is preferably used in an amount of 20 to 80 parts by weight, more preferably 30 to 60 parts by weight, per 100 parts by weight of the raw material powder. As the amount used increases, the texture can be maintained, but the shape-retaining property tends to slightly decrease. On the other hand, if the amount is too small, the texture is difficult to maintain.
[0011]
Moreover, in this invention, starch can be mix | blended with fats and oils pregelatinized starch substance in raw material powder | flour.
Usable starches include corn starch, waxy corn starch, high amylose corn starch, potato starch, wheat starch, tapioca starch, mung bean starch, sago starch, rice starch, pea starch, and these are esterified, etherified, and crosslinked. , Processed starch that has been subjected to physical or chemical treatment such as acid treatment, oxidation treatment, wet heat treatment, and pregelatinization alone or in combination. Among these various starches, hydroxypropyl tapioca starch and acetyl tapioca starch are preferable, and those having a substitution degree of 0.015 or more, more preferably 0.04 to 0.2 are particularly preferable.
The starch is preferably blended in an amount of 20 to 70 parts by weight per 100 parts by weight of the raw material powder. More preferably, 30 to 50 parts by weight are used.
[0012]
Moreover, in this invention, saccharide | sugar can be further mix | blended with raw material powder with fat and oil pregelatinized starchy substance. Since saccharides have the effect of suppressing aging of starch, the more blended, the more moist and moist texture can be maintained.
The saccharide used in the present invention may be any saccharide generally used in bakery products, such as monosaccharides such as glucose, disaccharides such as sugar, maltose and trehalose, oligosaccharides, isomerized sugars, and reduced starch degradation products. Etc. are exemplified. These saccharides can be used alone or in combination of two or more.
The amount of the saccharide is not particularly limited, but is preferably 20 to 150 parts by weight, more preferably 30 to 100 parts by weight with respect to 100 parts by weight of the raw material powder.
[0013]
In the present invention, flour can also be used. As the flour, pulverized cereals such as glutinous rice, rice, wheat, corn and the like can be used, and these can be used alone or in combination of two or more.
In the present invention, secondary materials used in bakery products may be used in combination. Among these are emulsifiers, polysaccharides, enzymes, eggs, dairy products, fats and oils, spices, liquors, flavors, artificial sweeteners, dietary fiber, active gluten, cocoa powder, vegetable powder, etc., which are necessary Can be used alone or in combination of two or more.
In the present invention, the bakery is to bake dough mixed with cereal and moisture, specifically, breads, donuts, biscuits and cookies, crackers, pies, cakes, donuts, Wheat rice crackers, rice cakes, etc.
In the present invention, baking means heating the dough widely, and includes treatments such as frying and steaming in addition to normal baking.
[0014]
EXAMPLES Hereinafter, although an Example demonstrates this invention, this invention is not limited to these examples.
Preparation of fat and oil-gelatinized starch Fat and fat-gelatinized starch was prepared by the method shown below, and the degree of oil separation and adhesion were measured.
[Test Example 1]
While stirring in 200 parts by weight of hot water (50 ° C.), 90 parts by weight of cross-linked acetylated tapioca starch is mixed to prepare a slurry. Further, 10 parts by weight of rapeseed hydrogenated oil is added and stirred to uniformly disperse the slurry. Gelatinized with a pulverizer (exit temperature around 100 ° C.) and immediately spread this paste liquid thinly on a drum dryer by a conventional method, heated at 150 ° C., dried, and then pulverized with a pulverizer to obtain an oily and fat pregelatinized starch. . The degree of oil separation was 5% and the degree of adhesion was 1%.
[0015]
[Test Example 2]
While stirring in 300 parts by weight of water, 40 parts by weight of waxy corn starch (dry weight) is mixed to prepare a slurry. Further, 8 parts by weight of soybean oil is added and stirred to uniformly disperse the slurry while the slurry is placed in an onlator (exit temperature). The paste was immediately spread thinly on a drum dryer by a conventional method, heated and dried at 150 ° C., and then pulverized with a pulverizer to obtain an oily and fat pregelatinized starch. The degree of oil separation was 12% and the degree of adhesion was 2%.
[0016]
[Test Example 3]
While stirring in 150 parts by weight of hot water (50 ° C.), 90 parts by weight of pulverized rice seeds are mixed to prepare a slurry. Further, 10 parts by weight of soybean hardened oil is added and stirred to uniformly disperse the slurry. Gelatinized with a pulverizer (exit temperature around 100 ° C.) and immediately spread this paste liquid thinly on a drum dryer by a conventional method, heated at 150 ° C., dried, and then pulverized with a pulverizer to obtain an oily and fat pregelatinized starch. . The degree of oil separation was 5% and the degree of adhesion was 2%.
[0017]
[Test Example 4]
10 parts by weight of rapeseed oil was dissolved at 60 ° C. to obtain a liquid oil, and 90 parts by weight of pregelatinized tapioca starch were mixed with a mixer. After mixing water at a ratio of 50% by weight to this mixture, the mixture was extruded at a speed of 250 rpm with a twin-screw extruder screw equipped with a die having 10 2.5 mm holes. In the biaxial extruder treatment, the barrel heating temperature was set to 80 ° C. for the first barrel, and 170 ° C. for the second, third, and fourth barrels. By extruding from a hole of a die that is detachably attached to the tip of the fourth barrel, an expanded product of fat-containing pregelatinized starch was obtained. At this time, the pressure at the die outlet was 15 kg / cm 2 , and the outlet temperature was 144 ° C. This expanded product was dried for 10 minutes with a dryer at 110 ° C. and then pulverized.
The degree of oil separation was 54% and the degree of adhesion was 3%.
[0018]
[Test Example 5]
While stirring 150 parts by weight of water, 100 parts of pulverized rice pulverized material is mixed to prepare a slurry, and while stirring, the slurry is gelatinized with an onlator (exit temperature of about 100 ° C.). Then, it was spread thinly on a drum dryer, heated at 150 ° C., dried, and then pulverized with a pulverizer to obtain a rice bran α-form. The degree of oil separation was 0% and the degree of adhesion was 8%.
[0019]
【Example】
A bakery product mix having the following composition was used to obtain a bakery product by a predetermined working method.
[Example 1]
Figure 0003618321
[0020]
[Example 2]
Figure 0003618321
[0021]
[Example 3]
Figure 0003618321
[0022]
[Example 4]
Figure 0003618321
[0023]
[Example 5]
Figure 0003618321
[0024]
[Example 6]
Figure 0003618321
[0025]
[Comparative Example 1]
Figure 0003618321
[0026]
[Comparative Example 2]
Figure 0003618321
[0027]
The evaluation results of the above examples and comparative examples are shown in Table 1.
The prepared bakery product was examined for fresh texture and texture after storage at 25 ° C for 1 month, 2 months and 5 months, respectively. 20 expert panelists compared and evaluated by eating. The evaluation items were mochi mochi and moist. The glutinous texture was evaluated according to the scale of “1: not glutinous, 2: slightly glutinous texture, 3: glutinous texture”. The moist feeling was evaluated based on a scale of “1: moist, 2: slightly moist, 3: normal, 4: moist, 5: moist”. The numerical values shown in Table 1 are average values of the scores of the specialized panel.
In addition, the shape-retaining property referred to here indicates whether or not the shape of the sample after firing does not collapse. The shape was not broken, ◯, the shape was slightly broken, and the shape was broken.
As in Examples 2, 4, and 5, those blended with a more preferred amount of fat and oiled starchy material maintained a moist and moist texture even after 5 months. In Example 6 in which no carbohydrate was added, the result was slightly inferior in the maintenance of a moist texture after 5 months.
[0028]
[Table 1]
Figure 0003618321
[0029]
【The invention's effect】
Bakery products that use a mix of fat and oil-modified starch with a fat separation degree of 50% or less and an adhesion degree of 5% or less obtained by heating starch slurry in the presence of fats and oils in the raw material powder are long. A good texture can be maintained even when moist during storage of the period. The above effect can be further enhanced by using starch, particularly modified starch such as hydroxypropyl starch and acetyl starch, and saccharides in the raw material powder.

Claims (4)

原料粉100重量部中に、澱粉スラリーを油脂の共存下で加熱してなる油脂分離度が50%以下および付着度が5%以下である油脂α化澱粉質を20〜80重量部含むことを特徴とするベーカリー製品用ミックス。Into 100 parts by weight of raw material powder, 20 to 80 parts by weight of fat and oil-gelatinized starch having an oil separation degree of 50% or less and an adhesion degree of 5% or less obtained by heating starch slurry in the presence of fats and oils Characteristic mix for bakery products. 澱粉を配合してなる請求項1に記載のベーカリー製品用ミックス。The mix for bakery products according to claim 1, comprising starch. 糖質を配合してなる請求項1または2に記載のベーカリー製品用ミックス。The bakery product mix according to claim 1 or 2, comprising a saccharide. 請求項1から3のいずれかに記載のミックスを用いた生地を焼成してなるベーカリー製品。The bakery product formed by baking the dough using the mix in any one of Claim 1 to 3.
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