• 한국식품영양학회지
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• 제35권1호
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• pp.16-33
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• 2022

The quality characteristics and antioxidant activity of Tteokbokkidduk alone or supplemented with 3%, 6%, 9%, and 12% wheat bran powder were assessed, to increase use of the wheat bran by-product of wheat milling. The moisture content, pH, and starch elution of Tteokbokkidduk increased with increasing wheat bran powder, while the water absorption rate did not. The L color value decreased and the a and b values increased with increasing wheat bran powder. Scanning electron microscopy of Tteokbokkidduk prepared with 0% and 3% wheat bran powder revealed uniform pore size distribution. In terms of texture profile analysis, hardness and chewiness increased, while cohesiveness decreased with increased content of wheat bran powder. Acceptance was highest for samples with 6% wheat bran powder. Quantitative description analysis (QDA) revealed increased brownness, roughness, nutty, bitterness, astringency, savory character, and hardness, and decreased adhesiveness, springiness, and chewiness with increased wheat bran powder. Principal component analysis (PCA) revealed highest overall acceptance of samples prepared with 6% wheat bran powder, reflecting the relatively low values of detrimental sensory characteristics. Antioxidant activities of Tteokbokkidduk increased as wheat bran powder content increased. The addition of 6% wheat bran powder resulted in excellent Tteokbokki in terms of acceptance, quality, and antioxidant activity.

• 한국식품영양학회지
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• 제14권4호
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• pp.317-321
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• 2001

Sweet dough bread is made by using sponge & dough method with the sweet dough formula which consists of wheat gluten and baking powder. The effect of wheat gluten and baking powder to the bread has been studied after the dough frozen, stored, thawed, fermented. and baked. The bread quality has been evaluated by measuring the product volute and also by the sensory evaluation after baking. When 4% of wheat gluten and 4% of baking powder were added into the dough. the bread has a larger volume than that of 2% wheat gluten and 2% baking powder in volume. However. wheat gluten shows better result than baking powder in terms of volume. In sensory evaluation, the bread has higher score when 2% of wheat gluten and 2% of baking powder were added into the dough than that of 4% wheat gluten and 4% baking powder. Consequently, breads show better result when 2% wheat gluten and 2% baking powder were added into the dough than that of 4% wheat gluten and 4% baking powder.

• 한국식품조리과학회지
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• 제31권6호
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• pp.687-695
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• 2015

The purpose of this study was to investigate the quality characteristics of cookies prepared with wheat sprout powder substituted at varying proportions (0%, 2%, 4%, 6%, and 8%) for wheat flour. The bulk density of cookie dough with wheat sprout powder were higher than that of the control group and the pH decreased. The moisture content of the groups with wheat sprout powder was higher than the control group. Width and thickness of finished cookies containing wheat sprout powder were lower than those of the control group. The spread ratio of the group with 8% wheat sprout powder was higher than that of the control group. In color, the L and a value decreased significantly with addition of wheat sprout powder. The hardness of the study groups was lower than that of the control group. DPPH radical scavenging activity of the control group was 24.90%, whereas the study groups ranged from 27.53~38.76%. Sensory evaluation scores in terms of appearance, texture, taste and overall preference of groups with 2% and 4% of wheat sprout powder did not show any significant difference when compared to the control group. Based on the above results, using less than 4% of the wheat sprout powder would be appropriate for use in cookies.

• 동아시아식생활학회지
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• 제18권3호
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• pp.397-404
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• 2008

The purpose of this study was to help promote the consumption of rice by substituting rice powder for wheat flour in bread preparation and examining the effect of rice powder particle size in baked rice bread samples. Several experiments were carried to analyze and compare the quality characteristics of prepared samples of wheat flour and rice powder breads. The loaf volume index of the wheat flour bread was 6.34, and the indices of the rice powder bread samples, which were made from powder milled through 20, 35, and 45 mesh (S1, S2 and S3), were 5.37, 5.56, and 5.85, respectively. These data indicated that the loaf volume index of the rice powder bread was lower than that of the wheat flour bread, but the volume of the rice powder bread increased as the particle size of the rice powder became finer. According to texture analysis results using a rheometer, the hardness value of the wheat flour bread was $1.34{\times}10^3\;g/cm^2$, and values of S1, S2, and S3 were $1.74{\times}10^3\;g/cm^2$, $1.57{\times}10^3\;g/cm^2$, and $1.47{\times}10^3\;g/cm^2$, respectively. Therefore, S3, which was made from the finest powder among the rice powder samples, showed the lowest level of hardness. No significant differences were observed for springiness, cohesiveness, and gumminess among the bread samples. However, the wheat flour and rice powder breads had significant differences for bread crumb color. The L-value of S3(76.20) was similar to that of the wheat flour bread(77.22). but the L-values of S1(70.30) and S2(71.21) were lower than that of the wheat flour bread. In terms of redness and yellowness, the values of the rice powder breads were significantly different from those of the wheat flour bread. In terms of overall preference, the sensory evaluation results indicated that S3 was significantly the more preferred and the wheat flour bread was the least preferred among the bread samples. This study also investigated texture changes and mold occurrence in bread samples stored at $25^{\circ}C$ for 5 days. From the 3rd day of storage, bread texture became harder in all samples however, S3 showed the least level of change among the rice powder breads. The occurrence of mold began to increase abruptly from the 4th day of storage, and S2 and S3 showed mold numbers that were 2-fold greater than those of S1 and the wheat flour bread.

• 한국식품영양학회지
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• 제24권1호
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• pp.85-93
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• 2011

Job's tears(Coix lachryma-jobi L.) chungkukjang powder and wheat bran powder were added to American cookies for practical use as healthy compounds. We examined the antioxidant activity and quality characteristics of cookies prepared with different amounts(as ratios of 10%, 20%, 25% to the flour quantity) of Job's tears chungkukjang & wheat bran powder. The antioxidant activity was estimated by DPPH free radical scavenging activity, the total phenolic compounds content and flavonoid content in Job's tears chungkukjang & wheat bran powder and cookies. The quality characteristics of Job's tears chungkukjang & wheat bran powder American cookie were estimated in terms of bulk density, pH of the dough, spread ratio, color, texture profile analysis, proximate composition, and sensory evaluations. While the spread ratio and the total polyphenol contents, flavonoid contents and DPPH free radical scavenging activity of cookies significantly increased, pH, hardness and L value of the cookies decreased with increasing Job's tears chungkukjang & wheat bran powder(p<0.01). The consumer acceptability score for the 10~20% Job's tears chungkukjang & wheat bran powder American cookie ranked significantly(p<0.05) higher than those of the other groups in texture andoverall preference. This suggests that Job's tears chungkukjang and wheat bran powder are good ingredient candidates for increasing consumer acceptability and functionality of cookies.

• 동아시아식생활학회지
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• 제22권3호
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• pp.371-377
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• 2012

This study was to investigate the effect of wheat flour dasiks added by Agaricus blasei Murill powder. The moisture content of wheat flour dasiks added by Agaricus blasei Murill powder was significantly different The L color value decreased with the addition of Agaricus blasei Murill powder, while the a-value and b-value increased with the addition of Agaricus blasei Murill powder. Hardness, adhesiveness, gumminess, and chewiness differed significantly with added Agaricus blasei Murill powder, whereas springiness and cohesiveness were not significantly different (p<0.05). The sensory quality characteristics of color, taste, flavor, and overall acceptability were the highest in wheat flour dasiks with 6% added Agaricus blasei Murill powder. In conclusion, the optimal added Agaricus blasei Murill powder for the manufacture of wheat flour dasik was 6%.

• Journal of the Korean Wood Science and Technology
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• 제16권3호
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• pp.17-21
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• 1988

In order to investigate the extending effects on urea-formaldehyde resin- or phenol- formal- dehyde resin- glued keruing plywood, hot pressing temperatures were controlled to 110, 140, 170 and $200^{\circ}C$. As the extender, wheat flour, persimmon bark powder, chestnut bark powder, the equivalently- extended with the above three powders, and diatomite powder were respectively mixed with 5, 10, 15 and 20% ratios to the resin liquid, and also with these the no- extended was allowed. Based on the measured bonding strength, the conclusions were drawn: 1. In the urea- formaldehyde resin, extending effects on the bonding strength were in the order of wheat flour, the equivalently- extended with the wheat flour, persimmon- and chestnut bark powder, persimmon bark powder, chestnut bark powder. In the phenol- formaldehyde resin, the effects in the order of wheat flour, persimmon bark powder, diatomite powder, chestnut bark powder were resulted in. Specifically, superior bonding strength to the no-extended were given with the wheat flour and persimmon bark powder. 2. On the whole, the bonding strength decreased gradually, as the hot pressing temperature increased except for the diatomite powder extending.

• 한국식품영양학회지
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• 제24권3호
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• pp.350-361
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• 2011

A study was undertaken to examine the effect of the addition of job's tears(Coixlachryma-jobi L.) chungkukjang(soybeanfermented food) and wheat bran powder on quality attributes of pound cakes. Job's tears chungkukjang and wheat bran powder was added to the batter at a ratio of 10, 12.5 and 15% respectively. The antioxidant activity was estimated by DPPH free radical scavening activity, the total phenolic compounds content and flavonoid content in job's tears chungkukjang & wheat bran powder and pounds cakes. Antioxidative activity was highly correlated with the total phenolic and total flavonoids contents of job's tears chungkukjang and wheat bran pound cakes respectively(r=0.9671, r=0.8335). The quality characteristics of job's tears chungkukjang powder and wheat bran powder pound cakes were estimated in terms of the specific load volume, hardness, hunter value of crumb and crust and sensory quality of cakes. The specific volume were increased significantly with increasing substitution level of job's tears chungkukjang and wheat bran powder(p

• 한국식품영양과학회지
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• 제44권5호
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• pp.784-789
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• 2015

본 실험은 풍부한 영양성분과 다양한 약리학적 기능을 가진 밀싹을 기능성 소재로 활용하기 위해 밀싹 분말을 밀가루 대체 첨가물로 사용하여 제조한 머핀의 품질 특성과 항산화 활성을 조사하였다. 머핀의 무게는 63.37~63.86 g의 범위로 밀싹 분말 첨가량 차이에 따른 무게 변화의 유의적 차이는 없었다. WSP-1과 WSP-3의 부피는 대조구에 비해서 다소 증가하였으며, 용적비도 부피의 증가와 유사한 경향을 나타내었으나 시료별 유의적인 차이는 나타나지 않았다(P<0.05). 머핀의 높이는 WSP-7이 가장 낮았고 WSP-3이 가장 높았으나 실제로 밀싹 분말 첨가량이 증가함에 따른 가시적인 부피 및 높이의 변화는 관찰되지 않았다. 밀싹 분말 첨가구가 대조구에 비해 낮은 pH를 나타내었고 머핀의 수분 함량은 대조구가 28.48%로 가장 낮았으며, 밀싹 분말 첨가량이 증가할수록 다소 증가하는 경향을 나타내었다. 밀싹 분말 첨가량이 증가할수록 L값과 a값은 감소하였고 b값은 증가하였다. 머핀의 경도는 대조구가 가장 낮았고 밀싹 분말 첨가량이 증가할수록 경도는 증가하였으나 첨가량에 따른 유의적 차이는 없었다(P<0.05). 대조구의 총 폴리페놀 함량은 $9.52{\mu}g/mL$를 나타내었으며 WSP-1은 $18.09{\mu}g/mL$를 나타내어 대조구에 비해 약 2배 정도 높았다. 머핀의 DPPH 라디칼 소거능도 대조구가 11.02%, WSP-1이 20.44%로 대조구에 비해 약 2배 정도 증가하여 밀싹 분말 첨가량이 증가함에 따라 머핀의 총 폴리페놀 함량과 DPPH 라디칼 소거능은 증가하였다. 밀싹 분말을 첨가한 머핀의 관능검사 결과 외관, 색 및 풍미에 대한 기호도는 밀싹 분말 첨가 머핀이 대조구에 비해 높았으며, 맛은 WSP-3이 3.40으로 가장 높았고 조직감은 WSP-7이 가장 낮았으나 처리구별 유의적 차이는 없었다. 종합적 기호도는 WSP-3이 3.54, WSP-5가 3.42로 시료들 중에서 우수한 평가를 받았다.

• 한국조리학회지
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• 제21권4호
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• pp.207-220
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• 2015

본 연구에서는 밀싹 가루를 0, 3, 6, 9, 12% 첨가하여 머핀을 제조하고, 그 품질특성을 비교하였다. 머핀의 높이는 밀싹 가루를 첨가할수록 감소하였으며(p<0.05), 머핀의 중량은 시료 간의 유의적인 차이가 없었다. 머핀의 부피와 비용적은 밀싹 가루 첨가량이 증가할수록 감소하였으며(p<0.001), 굽기 손실율은 대조군과 밀싹 가루 첨가군 사이에 유의한 차이가 없었다. 머핀의 수분함량은 대조군보다 밀싹 가루 첨가군이 더 높았으며(p<0.001), 머핀의 pH는 밀싹 가루를 첨가할수록 감소하였다(p<0.001). 밀싹 가루 첨가 머핀의 DPPH radical 소거능은 대조군이 18.17%였으며, 밀싹 가루 첨가군은 21.13~34.67%로 나타났다(p<0.001). 색도 측정에서 밀싹 가루를 첨가할수록 머핀 crumb의 L값과 a값은 감소하고 b값은 증가하는 경향을 보였다. 머핀의 texture 측정에서 경도(hardness)와 부서짐성(brittleness)은 대조군과 밀싹 가루 9% 첨가까지는 유의한 차이가 없었다. 밀싹 가루를 첨가한 머핀의 관능검사에서 대조군과 밀싹 가루 6% 첨가까지 유의적인 차이가 없었다(p<0.001). 이상의 결과 머핀 제조 시 밀싹 가루 첨가량은 6% 정도가 적절할 것으로 판단되었다.