• Title/Summary/Keyword: bread properties

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Effect of Barley Bread Using Sourdough Prepared by Enterococcus sp. and Lactobacillus sp. - II. Physicochemical and Rheological Properties of Barley Bread - (Enterococcus sp.와 Lactobacillus sp. 첨가 sourdough로 제조된 보리식빵의 품질특성 - II. 보리식빵의 이화학적 및 물성적 특성 -)

  • Hong, Jeong-Hoon;Kim, Kyoung-Ja
    • Journal of the Korean Society of Food Culture
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    • v.16 no.4
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    • pp.361-370
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    • 2001
  • To investigate the effect of sourdough on the characteristics of quality of barley bread, sourdough starter with Lactobacillus plantarum, Lactobacillus sanfrancisco and Enterococcus sp. were added to baking after 48 hours incubation at $37^{\circ}C$. 1. The pH of bread using Lactobacillus sanfrancisco starter was the lowest among tested starters. while the titratable acidity(TTA) of the strain was the highest, followed by Enterococcus sp.. 2. In bread, moisture contents of control were 38%. It was decreased during 6 days. The moisture contents of bread using Lactobacillus sanfrancisco starter were the highest among tested starters, followed by Enterococcus sp.. 3. Oneset temperature$(T_o)$, peak temperature$(T_p)$ and enthalphy $({\Delta}H)$ were increased during storage of 6 days. The enthalphy of bread using Lactobacillus sanfrancisco starter was the lowest among tested starters, followed by Enterococcus sp..

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Quality Characteristics and Textural Properties of Dough of White Pan Bread with Added Chlorella Powder (클로렐라 첨가량을 달리한 반죽의 물성과 식빵의 품질 특성)

  • Kim, Young Ho;Han, Myung Ryun;Yoon, Seong Jun
    • The Korean Journal of Food And Nutrition
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    • v.33 no.6
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    • pp.681-691
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    • 2020
  • This study was conducted to evaluate the characteristics of bread and the rheology of flour dough containing chlorella powder(0%, 0.5%, 1.0%, 1.5%, 2.0% and 2.5%). In the farinograph test, the addition of chlorella powder changed water absorption, development time and mixing tolerance index for making bread. As the amount of chlorella powder increased, the water absorption increased, mixing tolerance index and the development time decreased. In the extensograph test, the degree of extension and resistance was decreased with increasing of chlorella powder content. In the amylograph test, the maximum viscosity was slightly decreased with increasing of chlorella powder contents. The colors of L value in bread crumb was significantly decreased as the chlorella powder addition. After fermentation treatment, The dough with 2.5% chlorella powder showed the lowest dough raising power compared to the other doughs. The addition of the chlorella powder had significant effect on bread texture. The bread consisting of 0.5% chlorella powder showed the highest volume of loaf and specific volume. Therefore, high quality of bread can be achieved by adding chlorella powder.

Quality Attributes of Bread with Soybean Milk Residue-Wheat Flour (비지가루 첨가 식빵의 품질 특성)

  • 신두호;이연화
    • The Korean Journal of Food And Nutrition
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    • v.15 no.4
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    • pp.314-320
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    • 2002
  • When the soybean milk residue flour were added to the respective wheat flour at level of 5%, 10% and 15% the possibility of bread making were studied. Vital gluten was added to the soybean milk residue portion of a 10% composite flour at levels of 3%, 6% and 9% to improve bread quality. And test was baking properties of soybean milk residue composite flour and sensory evaluation of composite breads. Major components of soybean milk residue flour were crude protein, 22.0%; crude lipid, 13.2%; carbohydrate, 54.3%; and dietary fiber, 27.2%. When 5%, 10% and 15% soybean milk residue flour was blended with wheat flour, water absorption, development time and bread weight were increased, and volume of dough and loaf was decreased. But improved bread-making properties by adding gluten. Color of crumb got darker as the percentage of soybean milk residue flour increased, got brighter when gluten was added. Texture of bread increased in chewiness and hardness as the percentage soybean milk residue flour increased but not different in cohesiveness. The use of vital gluten showed influence to springiness, chewiness and hardness. The sensory evaluation showed that 5% soybean milk residue-wheat bread was similar to bread made from wheat flour in overall acceptability. And the bread made by miting gluten were better than 10% soybean milk residue-wheat bread in overall acceptability.

Study on the Properties of White Pan Bread Made by Adding Preferment Prepared by Lactic Acid Bacteria Isolated from Kimchi (김치 유산균으로 제조한 preferment 첨가 수준에 따른 white pan bread의 품질특성)

  • Sihn, Eon-Hwan;Kim, So-Mi;Park, Cheon-Seok
    • Korean Journal of Food Science and Technology
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    • v.35 no.6
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    • pp.1193-1198
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    • 2003
  • The effects of preferment levels prepared with lactic acid bacteria isolated from kimchi on the quality of white pan bread were studied. The aim was to investigate how preferment influenced the baking-technological, textural, and sensory properties of white pan bread. During the process of making white pan bread, the pH decreased as the preferment levels increased, whereas the titratable acidity increased. The loaf specific volume increased from 4.66 to $5.59\;cm^3/g$ as preferment content increased from $10%{\sim}25%$. The moisture content and water activity of the bread ranged from 40.77 to 41.49%, and 0.961 to 0.966, respectively, indicating that no appreciable differences were related with the preferment levels (p<0.05). The textural characteristics of white pan bread were highly correlated with the amount of preferment added. White pan bread containing preferment showed a decrease in hardness and gumminess, and an increase in springiness. The color of white pan bread was not significantly different from that of the control. In sensory evaluation, the values for volume, springiness, and umami were highest in the white pan bread with 20% preferment, and the sour and umami tastes increased with the amount of preferment.

Quality Characteristics of Gluten-Free Rice Bread Formulated with Soft-Type Rice Flour Mixed with Black-Rice Flour (흑미 쌀가루를 연질미와 배합한 Gluten-Free 쌀 식빵의 품질특성)

  • Choi, Ok Ja;Jung, Hee Nam;Shin, Seo-Ho;Kim, Young Doo;Shim, Jae-Han;Shim, Ki Hoon
    • The Korean Journal of Community Living Science
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    • v.26 no.3
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    • pp.447-456
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    • 2015
  • To develop functional bread and improve the quality of gluten-free bread, this study investigates the quality characteristics of gluten-free rice bread made from soft-type rice (Bodeurami) flour mixed with black rice at different levels (0%, 10%, 20%, 30%, and 40%, w/w). An increase in the mix level of black-rice flour increased the weight of rice bread but reduced its volume, baking loss, volume expansion, and specific volume. The results for Hunter's color value and texture measurements indicate that an increase in the content of black-rice flour reduced the L-value, the b-value, hardness, gumminess, and chewiness but increased the a-value, adhesiveness, and springiness. According to the sensory analysis, rice bread formulated with a mixture of soft-type rice flour (80%) and black-rice flour (20%) showed the highest scores in color, taste, texture, and overall preferences. With respect to flavor and appearance, bread samples with 20% and 30% black-rice flour were preferred to those with 0%, 10%, and 40% black-rice flour. These results suggest that gluten-free rice bread mixed with wet-milling rice flour and black-rice flour can be used to develop functional and gluten-free bread.

Effect of Spice Powder on the Characteristics of Quality of Bread (향신료를 첨가한 식빵의 품질특성)

  • 김미림;박금순;박찬성;안상희
    • Korean journal of food and cookery science
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    • v.16 no.3
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    • pp.245-254
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    • 2000
  • The purpose of this study was to provide the basic information for bread with kinds of spice. The qualities of bread added with garlic, ginger, and cinnamon powder were investigated using sensory and mechanical evaluation. The result of sensory evaluation showed that the softness, color, brittleness, hardness, and chewiness of bread were increased as the amount of garlic, ginger and cinnamon powder increased. Lightness decreased by the addition of garlic, ginger and cinnamon powder, while redness and yellowness increased. Texture measurement showed that hardness, cohesiveness, springiness, gumminess and brittleness were the lowest in the breads with 1% garlic, ginger and cinnamon powder, and increased as the added amount of spice increased. A positive correlation was observed between the sensory and mechanical properties in general, while hardness and chewiness have negative correlation with sensory properties. Sensory properties of wheat flour odor, roasted taste, springiness and swelling were positively correlated with the acceptability. Breads with 1% garlic, ginger, and cinnamon powder showed a good overall preference.

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Combined Effects of Vital Gluten, Gum, Emulsifier, and Enzyme on the Properties of Rice Bread (활성글루텐, 검, 유화제 및 효소제의 복합첨가에 따른 쌀빵의 품질특성)

  • Kim, Kyung-Eun;Lee, Young-Tack
    • Food Engineering Progress
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    • v.13 no.4
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    • pp.320-325
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    • 2009
  • The effects of adding additives such as vital gluten, gum, emulsifier, and enzyme to rice flour on baking quality were examined. The effects of different gums on the pasting and dough properties of rice flour containing vital gluten were studied using a Rapid Visco Analyzer (RVA) and a Brabender farinograph. The RVA peak, breakdown, and final viscosities decreased with the addition of gums, while setback viscosity increased. The farinogram showed that rice flour supplemented with gums such as tara gum, guar gum, and locust bean gum (LBG) increased water absorption and dough stability, yielding strengthened dough similar to wheat flour dough. The addition of guar or tara gum/sodium stearoyl lactylate (SSL)/fungal $\alpha$-amylase (AMYL) or glucose oxidase (GO) blend improved the volume and reduced the crumb firmness of rice bread prepared from rice flour containing 14% vital gluten. Therefore, the combined addition of gum, emulsifier and enzyme into rice flour significantly improved the rice bread quality, allowing the decrease of the vital gluten level in rice bread formula.

Effects of Sourdough Powder on the Physical Properties of the Bread Flour (Sourdough 분말첨가가 소맥분의 물리적 특성 변화에 미치는 영향)

  • 김석영;황성연
    • The Korean Journal of Food And Nutrition
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    • v.17 no.2
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    • pp.171-176
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    • 2004
  • The purpose of this study was to examine physical properties of the bread flour added two different commercial sour dough powder. Addition of sour dough powder didn't show different water absorption, but reduce stability and increase breakdown on farinogram. Initial pasting temperatures of bread flour were increased by 0.7-1.3$^{\circ}C$ when sour dough powder was added. Peak viscosity were increased by 3-6 RVA with addition of Phil IM 1, but addition of Phil XN 290 didn't show much difference with unadded bread flour Hardness of bread added Phil XN 290 and Phil IM 1 were lower than control after 2 days of making bread, but after 4 days they showed rapid increment. Sensory test showed that addition of Phil XN 290 2% and Phil IM 1% had better general evaluation than the others.

Influence of Plantago Powder on the Physical Properties of the Flour and Dough Rheology of White Pan Bread (질경이 분말첨가가 소맥분의 물리적 특성과 제빵적성에 미치는 영향)

  • 신길만;황성연
    • The Korean Journal of Food And Nutrition
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    • v.14 no.6
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    • pp.585-590
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    • 2001
  • The purpose of this study was to examine physical properties of the addition of Plantago powder on bread flour and dough fheology of white pan bread. Four levels(0.3, 0.6, 0.9 and 1.2%) of each Plantago powder with bread flour were tested for their effects in dough mixing using rapid visco analyzer, alveogram, farinogram and sensory test. Addition of Plantago powder(0.3, 0.6 and 0.9% ) showed almost same tendency on the initial pasting temperature but 1.2% increased it. Increment of Plantago powder showed increment of peak viscosity and final viscosity, L(extensibility) and G(swelling index) value in alveogram showed decrement with increasing Plantago powder. In farinogram the use of Plantago powder increased consistency and water absorption but decreased development time and stability. White pan bread using Plantago powder had higher value of Max. G and gardeness in rheometer than without using it. Sensory evaluation of white pan bread with 0.6% Plantago powder had the highest score.

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