• Title/Summary/Keyword: 빵가루

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Rheological Properties of Buckwheat-Wheat Flour Mixture (메밀과 밀가루 혼합분의 물성 특성)

  • 김복란;최용순;이상영
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.29 no.3
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    • pp.369-374
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    • 2000
  • 메밀가루를 이용한 빵을 만들기 위하여 밀가루에 메밀가루를 10,20,30%를 혼합한 반죽과 30% 메밀복합분에 글루텐, ascorbic acid 및 HPMC를 혼합한 반죽들의 amylogram, farinogram 및 extensogram의 특성을 측정하였으며 SEM을 이용한 반죽의 구조도 관찰하였다. Amylograph에 의한 호화개시온도, 최고점도 및 최고점도시의 글루텐, ascorbic acid 및 HPMC의 의해 감소하는 경향이었다. Farinograph에 의한 흡수량은 메밀가루의 참가량이 많을수록 약간씩 감소하였고, 글루텐을 첨가하였을 경우에는 증가하였으나 HPMC에 의해서는 오히려 감소하였다. 반죽형성시간은 메밀가루의 혼합비율이 높을수록 점차 짧아졌고 첨가제에 의해서는 증가하였다. Extensograph에 의한 발효특성은 메밀가루의 첨가량이 많을수록 신장도와 신장에 대한 저항도는 감소하였으나 첨가제사용에 의해 증가하였으며 특히 글루템에 의해 신장저항도와 반죽의 강도가 높게 나타났다. 또한 SEM에 으한 반죽의 구조는 메밀가루의 혼합비율이 높아질수록 규칙적인 protein matrix를 형성하지 못하고 구형의 큰 전분입자와 작은 전분입자들이 엉겨서 덩어리진 상태로 혼합되어 있었으며 첨가제에 의해 전분입자와 단백질matrix 상호간에 결합상태가 개선되었으며 특히 첨가제 중 글루템은 밀가루 반죽과 유사하였으므로 빵의 부피 및 제빵성을 향상시켜 줄 것으로 생각된다.

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Development of Buckwheat Bread: 1, Effects of Vital Wheat Gluten and Water-Soluble Gums on Dough Rheological Properties (메밀빵 제조: 1. 활성 글루텐과 수용성 gum물질 첨가가 메밀혼합분 반죽 물성에 미치는 효과)

  • 정지영;김창순
    • Korean journal of food and cookery science
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    • v.14 no.2
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    • pp.140-147
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    • 1998
  • The rheological properties of dough made from composite flour containing 30% of buckwheat flour with 80% of extraction rate and 70% of wheat flour, with addition of vital wheat gluten and/or gums, were studied for the development of buckwheat bread. From the farinograph data, water absorption, development time, and stability of the dough decreased as the amount of buckwheat flour increased. However, the addition of gluten increased the water absorption and development time but decreased the weakness of the dough. The use of xanthan gum showed a stability-increasing effect. From the extensograph data, extension and strength of the dough decreased with increasing amount of buckwheat flour, but resistance to extension increased. The addition of gluten increased the extension and strength of the dough, but decreased the resistance to extension. Guar and xanthan gum added at 0.2% level had little effect on extensograph data of the dough. Overall, addition of, vital wheat gluten improved the properties of buckwheat bread dough better than water-soluble gums.

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8품종 변이체 벼의 현미 및 백미빵 가공성 비교

  • 강미영;고희종;한지연
    • Proceedings of the Korean Society of Postharvest Science and Technology of Agricultural Products Conference
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    • 2003.10a
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    • pp.210.1-210
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    • 2003
  • 8품종벼를 시료로 하여 이들 배유전분의 아밀로오스 함량, 당함량 및 아밀로그램 특성이 쌀빵의 가공성과 어떠한 상관성이 있는가에 대해서 검토하였다. 청가에 의한 아밀로오스 함량의 품종간 차이는 남풍벼, 화청벼 > 분질미 > 남풍 CB243 > 화청 du-1, 남풍 EM9O > 화청찰벼 > shr 의 순이었다. 단백질 함량은 고당미인 shr이 가장 높아 8.2%였으며, 벼 품종간 단백질 함량은 거의 유사하나, 남풍벼 및 화청벼 변이체의 경우에는 아밀로오스 함량이 낮을수록 원품종보다 단백질의 함량이 증가하는 경향을 보이고 있었다. 품종별 쌀가루의 호화개시 온도는 분질미 및 shr이 낮았으며, 화청벼, 남풍벼들과 그것들의 변이체 품종들의 경우에는 아밀로오스 함량이 높은 품종일수록 쌀가루 풀의 점성 및 경도는 증가하며, 제조된 쌀빵의 비용적이 크며, 관능검사에 의한 부푼 정도, 질감 및 전반적인 기호도가 좋은 것으로 나타났다. 모든 품종에서 백미빵이 현미빵보다 제빵성이 좋았으며, 남풍 벼로 제조한 백미빵의 기호도가 높게 나타났으며, 저장에 따른 노화지표가 가장 낮았다.

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A study on food scientific characteristics of the Job′s tears flour (율무전분의 조리과학적 특성에 관한 연구)

  • 신민자;안명수
    • Korean journal of food and cookery science
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    • v.3 no.2
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    • pp.59-67
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    • 1987
  • In order to make use of Job's tears widely, Job's tears starch was analyzed and determinded the contents of amylose, amylographical and other physicochemical properties. And also the yeast breads and rice cakes were made from flour and rice flours with various mixing ratios of Job's tears flour and then they were tested for suitability to preparation of bread and rice cake. 1. The starch contents of Job's tears showed 12~20%. Which was about one third of rice or waxyrice starch. But amounts of crude proteins, fats, and total ashes in Job's tears were higher than rice or waxyrice. Job' tears starch was composed of amylopectins only, and was similar to that of waxyrice starch. 2. Depends upon the Amylogram of each starch, initial gelatinization temperature of Job's tears starch was the highest among three starches of rice, waxyrice, and Job's tears. Maximum viscosity of Job's tears starch was 860BU, then it was about two times of rice starch viscosity. 3. By the sensory evaluation results, the taste of bread prepared with mixing of 10% Job's tears flour was better than flour bread and the volume and grains of the bread made from mixing of 10%, 20% Job's tears flour were similar to that of flour bread, but the taste, volume and grains of bread made from 30% mixed flour were undesirable. The rice cake Prepared from mixed flour with 25% Job's tears flour has shown to be desirable.

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Studies on Bread-Baking Properties of Naked Barley Flour and Naked Barley-Wheat Flour Blends - I. Variations of loaf volume of naked barley bread and mixed naked barley-wheat bread prepared by lactic acid method - (쌀보리 및 쌀보리-밀 복합분(複合粉)의 제빵 적성에 관한 연구 - 제 1 보 : 젖산 발효법에 의(依)한 쌀보리 가루 및 복합분(複合粉) 빵의부피(loaf volume)의 변화(變化) -)

  • Rhee, Chul;Bae, Song-Hwan;Yang, Han-Chul
    • Korean Journal of Food Science and Technology
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    • v.14 no.4
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    • pp.370-374
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    • 1982
  • Bread-baking properies of naked barley flour and naked barley-wheat flour blends were investigated, and changes of loaf volume of naked barley bread prepared by straight method and by lactic acid method were observed. Specific loaf volume of naked barley flour bread made by straight method was only 1.11 ml/g bread, while that of barley bread made by lactic acid method was more than 1.50 ml/g bread. No significant increase of loaf volume was noted in mixed naked barley-wheat bread. The increase of loaf volume of barley bread appeared to be due to total titratable acidity of barley dough. Loaf volume of what bread made by lactic acid method decreased sharply as the total titratable acidity of wheat flour dough increased.

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제과재료 쌀이 궁금하다

  • Korean Bakers Association
    • 베이커리
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    • no.7 s.444
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    • pp.70-73
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    • 2005
  • 쌀의 소비 촉진과 쌀의 영양학적 기치기 화두로 떠오르면서 쌀빵에 대한 관심도 고조되고 있다. 특히 쌀을 이용해 빵을 만들 수 있는 방법이 다각적으로 연구되면서 곳곳에서 쌀가루 제품들이 쏟아지고 있다. 쌀빵을 만들 수 있는 쌀가루 가공 제품들과 쌀빵에 대해 알아봤다.

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Development of Buckwheat Bread: 2, Effects of Vital Wheat Gluten and Water-Soluble Gums on Baking and Sensory Properties (메밀빵 제조: 2. 활성 글루텐과 수용성 gum물질이 메밀빵 특성에 미치는 효과)

  • 정지영;김창순
    • Korean journal of food and cookery science
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    • v.14 no.2
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    • pp.168-176
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    • 1998
  • The breadmaking characteristics of composite flour containing 30% of buckwheat and 70% of wheat with the addition of vital wheat gluten and water-soluble gums, were studied to establish the optimum formula for the development of buckwheat bread. The addition of vital wheat gluten or/and gums led to successful formation of buckwheat bread, giving loaf volume increase and improvement of sensory quality, especially texture determined by QDA (Quantitative Descriptive Analysis). Among those additives, xanthan gum showed the best volume expansion. Synergistic effects on bread quality were observed when the vital wheat gluten and xanthan gum or guar gum were used together. As buckwheat flour was substituted for wheat flour, gelatinization started early and the maximum viscosity increased measured by an amylography. The addition of gluten and gums caused the initial gelatinization to occur at a higher temperature and maximum viscosity to decrease.

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Development of Composite Flours and Their Products Utilizing Domestic Raw Materials -Part VI. Effect of Additives on the Bread-making Quality with Composite Flours- (국산원료(國産原料)를 활용(活用)한 복합분(複合粉) 및 제품개발(製品開發)에 관한 연구(硏究) -제6보 복합분(複合粉)에 의한 제(製)빵에 있어서 첨가제(添加劑)의 영향(影響)-)

  • Kim, Hyong-Soo;Lee, Hee-Ja
    • Korean Journal of Food Science and Technology
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    • v.9 no.2
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    • pp.106-115
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    • 1977
  • In order to study the baking properties of various composite flours, naked barley flour, corn flour, potato flour, and sweet potato flour were added to the hard wheat flour respectively in a ratio of 3 : 7. Using above composite flours, effects of glyceryl monosterate (GMS), sodium stearyl lactylate (SSL), calcium stearyl lactylate (CSL), xanthan gum (XG) and polysaccharide (PS) were also examined in terms of sedimentation test, viscosity by amylograph and baking test. The results are as follows: 1) Sedimentation value decreased in the order of hard wheat flour (58), corn flour (47), potato flour (46), sweet potato flour (33). and barley flour (23). Significant effects of additives were observed for all of flours as well as for the composite flours. The most prominant result of additives was obtained with the composite flour of barley and wheat. Among the additives, mixtures of GMS and SSL at 1% final concentration and that of GMS and SSL at the same concentration increased the sedimentation value considerably. No sedimentation measurement, however, was possible for XG since the compound was precipitated by acid during experiment of sedimentation. 2) Effects of additives on the viscosity were determined by amylograph. The mixtures of GMS 1%+SSL 1% and GMS 1%+CSL 1% increased gelatinization point,maximum viscosity and cooling viscosity. GMS 1%+XG 1% or GMS 1%+PS 1% showed less effects. 3) GMS 1%+CSL 0.5% increased the specific loaf volume of bread produced from the composite flour of naked barley and wheat, and appearance, taste and texture of the product were very similar to those of the standard bread produced from wheat flour. GMS 1%+SSL 0.5%, however, increased the loaf volume of bread produced from the composite flours of corn, potato and sweet potato, and wheat. No effects were obtained with XG and PS, except slight improvement of the texture of bread. 4) No specific loaf volume of bread produced from the composite flour of barley and wheat was increased when 1% of SSL, CSL, XG or PS was used separately.

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Bread-making Properties of Rice Flours Produced by Dry, Wet and Semi-wet Milling (건식, 습식 및 반습식 쌀가루에 의한 쌀빵의 특성 비교)

  • Lee, Myung-Hee;Lee, Young-Tack
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.35 no.7
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    • pp.886-890
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    • 2006
  • Rice flours produced by dry, wet, and semi-wet milling methods were used to investigate bread-making properties. Wet milled rice flours were produced by two different steeping temperatures of $25^{\circ}C$ and $55^{\circ}C$, properties of composite flour containing 70% rice flour and 30% wheat flour with the addition of vital wheat gluten were tested. Among rice flours, wet milled rice flour showed increased mixing time and dough stability determined by a mixograph. Wet milled rice flours produced higher loaf volume compared with dry of semi-wet milled rice flours. Wet-milled rice flour steeped at $55^{\circ}C$ appeared to produce good rice breads with relatively high loaf volume. Crumb hardness of bread prepared with wet milled rice flour was lower than the other breads and increased slowly during 3-day storage at $25^{\circ}C$.