• Title/Summary/Keyword: rice bread

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Studies on Bread-Making Quality of Bread Mixed with Wheat Flour and Several Functional Rice Flour (기능성 쌀가루 혼합분의 제빵 적성)

  • Yoo, Kyung-A;Kang, Mi-Young
    • Journal of the Korean Society of Food Culture
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    • v.20 no.3
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    • pp.299-304
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    • 2005
  • This study investigated the feasibility of the bread making process with the mixture of the functional rice flour. The bread was manufactured with 20, 30 or 40% functional rice flour with increasing and wheat flour. Gelatinization characteristics of the rice starch was examined by differential scanning calorimetry(DSC). Coated with soluble dietary fiber rice showed the highest gelatinization enthalphy among functional rices and other functional rices were similar to normal rice. in the viscosity point of view. generally the viscosity related to the addition ratio. The most viscose case was 30% Sangwhang rice but in fermented with monascus ruber rice case, viscosity was low even with 40% case because of the transformation of the starch granules. In sensory evaluation, the highest sensory scores for the uniformity of pore size and flavor were obtained when sangwhang rice flour content was 20%. The textual study was mainly focused on the hardness, cohesiveness, adhesiveness, springiness, chewiness. Textural characteristics of functional rice bread crumb bakedwith 20% coated with soluble dietary fiber rice, 20% sangwhang was low in hardness, chewiness and gumminess. Therefore, Sangwhang rice flour 20%, Monascous ruber 20% and Coated soluble dietary fiber rice 20% were considered to be the most suitable addition ratio for the rice breads.

Substitution of Rice Flour on Bread-Making Properties (쌀가루 첨가 식빵의 제빵 특성)

  • Choi, In-Duck
    • Food Science and Preservation
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    • v.17 no.5
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    • pp.667-673
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    • 2010
  • Effects of substituting wheat flour with rice flour on bread-making properties were investigated. Rice(Oryza sativa L.) cultivars were 'Goami2(G2)', a functional rice containing higher non-digestible carbohydrates, and 'Chucheongbyeo (CC)', an ordinary Japonica rice. Rice flour was substituted at 10, 20 and 30% in wheat bread formulation, and the composite flour was used for yeast-leavened bread making. Peak and final viscosity of G2 rice flour was significantly lower than that of CC rice flour. Mixograph analysis indicated that replacement of G2 rice flour increased dough water absorption and mixing time compared to wheat flour. But, typical mixograph pattern was not found in the dough from composite flour with CC rice flour. As increasing the amount of rice flour, the G2 rice breads showed a significant decrease in loaf volume, but an increase in bread crumb firmness(g). For the CC rice breads, no significant difference(p<0.05) was observed in loaf volume and crumb firmness, ranging 1012~1050 cc and 433~482g, respectively. The results revealed that Chucheongbyeo is more suitable for bread-making with the composite flour of rice(10~30%) and wheat flour.

Nutritive Components of Rice Powder and Development of Rice Bread Recipes using Rice Flour (쌀가루의 영양성분과 쌀가루를 활용한 다양한 쌀빵 레시피 개발)

  • Lee, Youn Ri;Jung, Da Woon;Jo, Eun hye;Back, Seon Woo;Kim, Su Yeong;Park, Young Seo
    • The Korean Journal of Food And Nutrition
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    • v.31 no.3
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    • pp.441-448
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    • 2018
  • The purpose of this study is to analyze the proximate components (water, crude ash, crude protein, crude fat, and carbohydrates) and nutritive components (vitamin A, C, E, minerals, amino acids, and fatty acids) of rice flour and develop several rice bread recipes using rice flour. The water, crude ash, crude protein, crude lipid, carbohydrate contents of rice flour were measured to be 8.53%, 0.10 g, 6.80 g, 0.14 g and 84.43 g, respectively. No vitamin A was detected in the rice flour, and vitamin C and E contents were found to be 8.30 and 0.3467 mg/100 g, respectively. Calcium, potassium, magnesium, iron, and sodium contents were measured as 6.23, 65.05, 9.78, 0.17 and 2.84 mg/100 g; the large amount of potassium helps to discharge the sodium. Rice flour has nine kinds of essential amino acids in it; essential amino acids form 45.15% of rice flour's content. which is higher than 32.3%. Fatty acids were barely detected in the rice powder; saturated fatty acids were measured as 31.25 mg/100 g, and unsaturated fatty acids as 25.54 mg/100 g. Regarding essential fatty acids, linoleic acids were measured as 41.01 mg/100 g, and linolenic acids as 2.20 mg/100 g. The researcher used rice loaf bread as the base and developed rice bread recipes using rice flour to make a total of 11 items: 8 items with 75% rice flour (rice bagel, rice sweet red-bean bread, rice butter roll bread, rice mocha bread, rice buttertop bread, rice custard cream bread, and rice streusel), 2 items with 80% rice flour (stollen and rice hobbang), and 1 item with 85% rice flour (rice donut).

Effects of the Type and Percentage of a Lipid on the Quality Characteristics of Rice Bread Depending on the Use of Wet and Dry Rice Flour (습식 및 건식 쌀가루의 유지 종류 및 첨가 비율에 따른 쌀빵 품질 특성)

  • Kim, Sang Sook;Chung, Hae Young
    • The Korean Journal of Food And Nutrition
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    • v.31 no.4
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    • pp.511-519
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    • 2018
  • The baking properties of rice bread with different percentages of butter and oil in wet and dry rice flour were investigated. The moisture, damaged starch, mean diameter, pasting properties by amylogram and RVA (Rapid Visco Analyzer), as well as thermal properties by DSC (Differential Scanning Calorimetry) of wet and dry rice flour were analyzed. The specific gravity and color (L, a, b) of the dough, as well as the appearance, color (L, a, b) and texture of the rice bread with different percentages of butter and oil in wet and dry rice flour were also analyzed. As a result, the wet rice flour were composed of a noted higher content in moisture, compared to the dry rice flour (p<0.001). The wet rice flour had lower values of damaged starch, higher values of mean diameter and a higher peak viscosity than was noted in the dry rice flour (p<0.001). The wet rice flour showed a higher degree of hydration and gelatinization than was seen in the dry rice flour (p<0.001). The prevailing principle to utilize the replacement of wet rice flour with oil had a significant effect on the volume, specific volume and hardness of the rice bread (p<0.001). The hardness of the rice bread also showed a decreasing trend as the amount of the added oil was increased into the mixture. These results suggest that the replacement of wet rice flour with 5.8% oil is effective for the production of rice bread.

A Study on the Rheological and Sensory Properties of Bread Added Waxy Black Rice Flour (찰흑미분을 첨가한 식빵의 물성학적 및 관능적 특성 연구)

  • Kim, Woen-Mo;Kim, Tae-Hyung;Lee, Yoon-Shin
    • Korean journal of food and cookery science
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    • v.23 no.3 s.99
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    • pp.337-345
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    • 2007
  • The physiological and sensory properties of breads made from waxy black rice flour (WBRF) and wheat flour were investigated. The waxy black rice bread was manufactured with 10, 20, 30, or 40% waxy black rice flour(w/w). The bread volume decreased from 2,096.7 mL to 1,703.4 mL as the WBRF content increased from 0% to 40%. The lightness(L-values) decreased with increasing WBRF concentrations, and the redness value(a-values) increased. The yellowness(b-values) slightly decreased with increasing WBRF content. The textural characteristics of the bread c겨mb were influenced by additions of WBRF. The breads containing WBRF had decreases in hardness for the 10% and 20% WBRF groups, whereas increases in hardness were shown with the 40% addition of WBRF. The springiness decreased with increasing WBRF content. The gumminess and chewiness of the waxy black rice bread decreased at the 10% and 20% additions. In the sensory evaluation, sensory scores decreased with increasing WBRF content for the appearance, external color, crumb color and grain of the waxy black rice bread. Overall acceptability for the 10% and 20% WBRF additions did not differ significantly from the score of the control group.

Studies on the Standardization of Fermentation and Preparation Methods for Steamed Rice Bread(II) -Effects of Cooking Conditions on the Acceptability of Steamed Rice Bread- (증편 제조법 표준화 연구 (II) -발효조건이 증편의 식미에 미치는 영향 -)

  • 강미영;최해춘
    • Journal of the East Asian Society of Dietary Life
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    • v.3 no.2
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    • pp.165-173
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    • 1993
  • Jung-Pyun is a traditional steamed rice bread made of fermented rice dough. A series of the Jung-Puyn samples were prepared according to the experimental design of five factors. Factors were fermentation sources(milky rice wine, activated yeast), weight of added water(60, 65, 70, 75% of rice powder), fermentation temperature(30$^{\circ}C$, 40$^{\circ}C$), fermentation times(2,3,4,5,6,12hours) and weight of added baking powder(1, 2% of rice powder). Trained panels judged the steamed rice bread samples to determine the effects of these factors on the sensory characteristics. The results of sensory evaluation revealed that the most preferable steamed rice bread on the overall eating quality was at the 70% adding water and 1% baking powder, 30$^{\circ}C$ for 5 hours incubation made by 1% addition of yeast.

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Quality Characteristics of sprouted brown rice bread with an anionic alkali mineral complex solution BARODON® (다목적 고기능성 알칼리용액 BARODON®을 첨가한 발아 현미 식빵의 품질 특성)

  • 노숙령;조영자;최수일;이재경
    • Korean journal of food and cookery science
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    • v.19 no.3
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    • pp.295-299
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    • 2003
  • This study was carried out to investigate the effects of the addition ratio of BARODON® on the dough volume, moisture content, loaf volume and weight and the sensory characteristics of sprouted brown rice bread. The loaf volume and sensory characteristics of the bread with BARODON® were higher than those without. The moisture content and loaf weight of the bread with BARODON® were lower than those without. Although these results were irregular with increasing amounts of BARODON addition. The sprouted brown rice bread with 0.6% BARODON® gave the best loaf volume and overall acceptance, whereas those with 4.8% BARODON® had the best odor, color and mouthfeel. BARODON® will be very useful as a leavening agent for improving the overall quality of sprouted brown rice bread.

Quality Characteristics of Morning Bread containing with Different Ratios of Rice and Brown Rice Flour (백미와 현미의 첨가비율을 달리하여 제조한 모닝빵의 품질 특성)

  • Joo, Shin-Youn;Choi, Hae-Yeon
    • The Korean Journal of Food And Nutrition
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    • v.30 no.6
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    • pp.1252-1259
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    • 2017
  • The objective of this study was to examine the effects of rice (R) and brown rice (BR) flour on the quality characteristics of morning bread. The quality characteristics of morning bread were determined by measuring the pH of the dough, dough raising power, moisture content, baking loss rate, specific volume, height, color value, texture analysis and sensory evaluations. The pH of the bread dough was highest on R1:BR2 and R0:BR3. The dough raising power and moisture content steadily and significantly decreased as the amount of added brown rice flour increased. The baking loss rate was highest on R3:BR0. The specific volume and height of morning bread were highest on R3:BR0 and R2:BR1. In color value, the L value decreased significantly as the amount of added brown rice flour increased, while a value and b value increased. The hardness, gumminess and chewiness of morning bread increased with an increase in brown rice flour. In consumer acceptability, R3:BR0, R2:BR1 and R1:BR2 showed the highest scores in all parameters. Characteristic intensity rating of roasted taste was lowest on R3:BR0. These results indicate that R2:BR1 showed similar quality characteristics as compared to morning bread without brown rice flour, with the optimal results appreciated with a 2:1 ratio of rice flour to brown rice flour.

Possibility Analysis of a Rice Based Bread by Analyzing Customers' Needs of Menus for School Foodservice (소비자의 식단 요구도 분석을 통한 쌀빵의 학교급식 적용 가능성 분석)

  • Lee, So-Jung;Lee, Min-A;Yang, Il-Sun;Lee, Hae-Young
    • Korean Journal of Community Nutrition
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    • v.14 no.5
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    • pp.545-555
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    • 2009
  • School foodservice customers are likely to be tired of repeated cycle menus and their satisfaction for meals offered in school is inclined to be low. The menu variety is an important factor in increasing customer satisfaction. The purpose of this study was to investigate customer perspectives for applying rice based bread menus in order to add menu variety and promote using rice processed products in school foodservice. The questionnaire was distributed to 760 parent samples in elementary schools and 520 student samples in middle/high schools and a total of 665 and 387 usable data were collected, respectively. Food habits such as preference for cooking method, menu preference, food allergy and nutritional perspectives for menu and customer perception for rice based bread like quality, reliability, price, and purchasing convenience were investigated using 7 Likert scale. Also expected menu types applying rice based bread and offering frequency of rice bread menu were examined. Preference level for bread-based meals were moderate and students' preferences were slightly higher than parents. Menu types applying rice bread expected by middle/high school students were western food (49.4%), spaghetti (28.4%), set menu (13.7%), noodle (17.6%), Korean food (11.1%), Chinese food (10.9%) and porridge (4.5%). The most occupied rate was once in a week for expected offering frequency. Most respondents perceived that rice bread was more nutritive and qualitative than the wheat based one.

Varietal Variation in Gelatinization and Adaptability to Rice Bread Processing and Their Interrelation (쌀의 호화 및 제빵적성의 품종 변이와 관련특성간 상관)

  • 강미영;손현미;최해춘
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.42 no.3
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    • pp.344-351
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    • 1997
  • The experiment was conducted to examine the varietal variation in gelatinization of rice flour and adaptability to rice bread processing, and the interrelation among the relevant properties. IR 44 showed the lowest temperature of gelatinization onset(T$_{o}$ ) and the highest gelatinization enthalphy(ㅿH) measured by differential scanning calorimetry (DSC). The following lower T$_{o}$ was found with the order of Suweon 230<Pusa-33-30<T(N) 1, Daeribbyeo 1 and the next higher ㅿ.H was followed by the order of Pusa-33-30>Suweon 230. IRAT 177 revealed the highest temperature of gelatinization onset and conclusion(T$_{c}$) and the following higher T$_{c}$ was found with the order of Pusa-33-30>AC 27>Nonganbyeo. The varietal range of T$_{o}$ and T$_{c}$ was 50.0~72.5$^{\circ}C$ and 70.2~87.4$^{\circ}C$, respectively. The rice materials tested can be classified by scatter diagram on the plane of upper two principal components contracted from DSC thermogram and various characteristics relevant to processing and sensory preference of rice bread by principal component analysis. AC27, Suweonjo and IR 44 among high-amylose rices showed better suitability to rice bread processing. The temperatures of gelatinization peak and conclusion of rice flour checked by DSC were significantly negatively associated with springiness of rice bread. The most properties relevant to processing and sensory preference of rice bread such as hardness, moistness, springiness, cohesiveness, specific loaf volume and distribution or size of air cell revealed the close correlation between each other.other.

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