Kim, Ji-Hyun;Kim, Soo-Min;Paik, Jin-Kyoung;Hong, Wan-Soo
Korean journal of food and cookery science
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v.30
no.2
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pp.153-160
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2014
The purpose of this study was to develop a rice education program and rice cooking practice for university students majoring in foodservice and nutrition. To achieve this purpose, 2 rounds of delphi survey was used by convenience sampling including total of 27 experts in the food and nutrition industry. Below are the findings. First, both the importance and suitability for macro-theme of theory education were in the following order: 'nutrition and health of rice', 'characteristics of rice in food science', 'history and culture of rice' and 'the consumption of rice. Second, the history and culture of rice(traditional culture related to rice, and the origin & history of rice), nutrition and health of rice(main nutritive components and efficacy of rice and prevention of disease), characteristics of rice as food(processed-products of rice and storage, the structure of rice), and the consumption of rice(current status of rice production and consumption) were found to be suitable for the micro-theme of theory education. Third, the education theme for rice cooking practice was determined. Barley sprout song-pyeon and beet song-pyeon were chosen for rice cake. For bread, coconut & walnut muffin, tofu & bean muffin, citron bread, red bean & sweet persimmon pound cake, and sweet potato bread were selected. Dong-rae-pa-jeon, Kimch-jeon-byeong, fried sweet potato fried shrimp were developed for the main dishes.
This study investigated the quality of muffins prepared with various concentrations of mealworm. Samples of muffins were prepared with the addition of 0, 1, 2, 4, 6 and 8% mealworm powder to the flour of basic formulation. The weight of muffins decreased as the concentration of the mealworm powder increased. The height indices of muffins containing mealworm powder were higher than that of the control. The volume index of the MW2(2%) muffin was the highest. The pH of muffins containing mealworm powder was higher than that of the control, although moisture content lower. Lightness and yellowness decreased with an increase in the mealworm powder concentration, but redness increased. No significant difference in hardness was found from increased powder concentration. The total polyphenol content and antioxidative activity measured by 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity of muffins significantly increased as the concentration of the mealworm powder increased. Muffins containing 1~8% mealworm powder had acceptable sensory properties, such as flavor, taste, and overall acceptability. The results of this study suggest that mealworm powder is a good ingredient for consumer acceptability and functionality of muffins.
Various quality attributes were determined in muffins prepared using purple-colored sweet potato flour. Height of control muffins was 5.8 cm lease clarify. Height decreased with increasing quantity of sweet potato powder. Muffin volume was not appreciably affected. Moisture of control muffins was 21.84. The moisture value decreased with increasing quantity of sweet potato powder. Scanning electron microscopy examination revealed thick cell wall and rough stoma in muffins prepared with purple-colored sweet potato powder. The amount of gluten decreased as the quantity of purple-colored sweet potato powder increased. Brightness L values significantly changed as the amount of powder increased, indicative of a progressively darker product. Red index a values decreased as the quantity of purple-colored sweet potato powder increased. Yellow index b values decreased significantly in the control group as powder quantity increased. Hardness increased with increasing addition of powder, but no significant difference was evident between 6% and 9% amended samples. There were also no significant differences in springing in samples containing 3% and 6% powder but 9% powder produced a significant difference. Cohesiveness did not differ in unamended samples and samples amended with 3% and 9% powder, however a significant difference was evident in samples prepared with 6% powder. Gumminess and chewiness increased as the quantity of purple-colored sweet potato powder increased. Color did not differ appreciably in sample prepared with 3% and 9% Sample prepared with 3% additives showed the highest What? Color score? Something else? Please clarify with 6.4. There was no significant difference of the flavor in samples prepared with 3% and 6% powder, or in taste among samples prepared 3%, 6%, and 9% powder. No significant differences in texture were evident in any sample Overall acceptability was highest (7.2) in samples prepared with 3% of purple-colored sweet potato.
This study was conducted to examine the applicability of muffins and the optimal ratio of batter mixture by adding mugwort with various functions and physiological active substances. In result of examining the quality characteristics of muffins after adding frozen-dried mugwort powder by 0%, 1%, 3%, 5%, or 7%, the moisture retaining capacity of muffin batter was lowest with MPM0, the control group, and the deposition was highest at $17.94m{\ell}$ with MPM0. The pH value of muffin batter was highest at 8.62 with MPM0 and moisture decreased significantly (p<0.001) when more mugwort powder was added to the sample. The brightness increased significantly (p<0.001) when the amount of frozen-dried mugwort powder decreased and redness and yellowness decreased when the addition of mugwort powder increased. The height and volume of mugwort muffins were lowest at 4.75 cm and $135.69m{\ell}$ with MPM7 with the greatest value of frozen-dried mugwort powder. The loss at baking of mugwort muffins was lowest at 2.27% with MPM7. The hardness of mugwort muffins was highest with MPM7 with the highest mugwort powder content. Coagulation and resilience was highest at 0.64 with the MPM0 control group and the chewiness increased significantly (p<0.001) with greater amount of frozen-dried mugwort powder. The appearance of mugwort muffins was highest at 6.1 with MPM5 and the most preferable color and flavors were found with MPM3. Tenderness was highest with the MPM0 control group. Overall preferability was highest with MPM3 with 3% frozen-dried mugwort powder. When adding frozen-dried mugwort powder to muffins, the 3% and control groups mostly showed the highest values, whereas the 5% group and higher groups showed lower values.
This study investigated the quality characteristics and antioxidant activity of muffins prepared with different amounts (0%, 5%, 10%, and 15%) of aronia powder. The moisture content was higher in the groups that contained aronia powder than in the control muffin. The specific volume of the muffins was lowest in the group with 15% aronia powder added. The lightness and yellowness values decreased, while the redness values increased with increasing amounts of the aronia powder. The hardness of the control group was lower than that of the 10% and 15% treatment groups. The consumer acceptance test revealed no significant differences in the taste and texture of the muffin samples, but the overall acceptability scores were lowest for the muffins with 15% aronia powder added. The substitution of wheat flour for the aronia powder yielded muffins with a higher polyphenol content and total flavonoid content. The antioxidant activity measured via the DPPH (1,1-diphenyl-2-picrylhydrazyl) radical scavenging activity, metal chelating effect, and reducing power increased as the concentration of the aronia powder increased. The results showed that up to 10% aronia powder can be incorporated into muffins to meet the sensory quality and functional needs of consumers.
Premature-green wheat is typically obtained by early harvest when culms of wheat still appear green in color, and the wheat and its food products have been considered as wellbeing foods. The pasting properties of prematured whole green wheat powder (WGWP), were analyzed with a rapid viscosity analyzer (RVA), and compared with commercial flours. The RVA values of lower peak viscosity and time, holding strength, final viscosity, as well as breakdown and setback viscosity showed that the WGWP could retard a gelatination of starch and also delay retrogradation in bakery products. WGWP with different levels of 10, 20, 30 or 50% was added into flours for preparing bakery product (bread, muffin and cookie), and their quality properties were evaluated. The addition of WGWP lead to a reduction in loaf volume of bread and muffin, and bakery products containing different levels of WGWP showed the changed internal surface structure (e.g. pore size) observed with a scanning electron microscope when compared with the control (0% WGWP). The hardness, gumminess, chewiness of bread and muffins were increased, and cohesiveness was decreased as the WGWP content increased, but the hardness of cookies was decreased. The bakery products added WGWP showed darker and more greenish and yellowish color than control (p<0.05). The sensory evaluation showed that bakeries with WGWP were scored to have more greenish taste and green color (p<0.05), and muffins and cookies with WGWP were evaluated to have more nutty and less oily taste (p<0.05).
The following research was done to develop a low calorie muffin that has good taste, as well as nutritional benefit. This was done through adding various nutritional qualities of Makgeolli Lees to muffins. It was found that adding Makgeolli Lees substantially increased the amount of ash, crude protein, crude fiber, and moisture. However, it decreased the amount of crude fat. It was also found that the volume, height, and weight all increased with a lower baking loss rate. Other testing on the hardness, expand chewiness, gumminess, and cohesiveness of the muffins with different amounts of Makgeolli Lees found that more Makgeolli Lees led to a lower hardness and chewiness. However, it did not affect the gumminess. "MLM10" with 10 g of added Makgeolli Lees had a cohesiveness that was significantly different from other samples. The cohesiveness of the other samples was substantially lower. "L-value", or lightness, as well as yellowness, decreased as more Makgeolli Lees was added. On the other hand, "a-value", or redness, increased as more Makgeolli Lees was added. A sensory test proved that Makgeolli Lees added muffins were not preferred over the control group in its color, texture, and overall preference, but was evaluated as "good". However, the Makgeolli Lees added muffins were evaluated better than the control group in the categories of "expanded", "uniformity", and "he size of the pores". Therefore, creating muffins by using Makgeolli Lees instead of fat was proven to be possible, and furthermore proved to be a viable substitute.
Yoon, Jin A;Han, Jun-Woo;Choi, Jae-Hwan;Shin, Kyung-Ok
Korean Journal of Food Science and Technology
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v.53
no.5
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pp.628-633
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2021
In this study, basic experiments were conducted to improve the quality of muffins using kamut (Triticum turanicum Jakubz) for making products to help improve human health. Kamut powder addition decreased the pH, moisture content, muffin height, and dough yield. Chromaticity measurement of muffins with added kamut powder showed decreased L value, increased a value, and increased b value. Measurement of physical properties showed that the tackiness and cohesiveness of muffins decreased with increasing amounts of added kamut powder, along with increased gumminess and chewiness. ABTS and DPPH scavenging activities were higher in ethanol extracts than in deionized water extracts. Therefore, when making muffins, it is judged that 10 to 15% of kamut powder is most suitable in consideration of physicochemical analysis and antioxidant activity.
The purpose of this study was to investigate the quality characteristics and antioxidant activity of black rice muffins prepared with various concentrations of chito-oligosaccharide(0, 0.5, 1.0, 1.5, 2.0%). The the weight of the groups with chito-oligosaccharide was higher than that of the control group, but the height, volume, and specific volume of the groups with chito-oligosaccharide were lower than those of the control group. The moisture contents increased with the addition of chito-oligosaccharide. The pH decreased significantly with the addition of chito-oligosaccharide. The L value of Hunter's color decreased, but the a and b value increased significantly with the addition of chito-oligosaccharide. The muffin without the chito-oligosaccharide was the highest hardness. The textural properties revealed the cohesiveness, chewiness, and brittleness of groups with chito-oligosaccharide increased significantly with the addition of chito-oligosaccharide. Antioxidant activities of muffins increased as the amount of chito-oligosaccharide increased.
The purpose of this study is to decide the optimum amount of ginger, which draws attention as a functional food nowadays, to make ginger muffins and to serve the basic data for functional bakery products added with ginger juice. As measurement items for quality characteristics, I tested height, weight, volume, specific volume, moisture, pH, chromaticity, texture and organic functions of muffin by adding 10%, 20% and 30% ginger juice respectively comparing with general ingredients plus water amount used to make muffins. Height decreased with the amount of the addition increased, and there was no significant difference in weight. The volume and specific volume measurements of the muffins showed a lower value with the amount of the addition increased, which showed a significant difference. The moisture contents of the muffins increased with the amount of the addition increased. In the pH measurement, 0, 10, and 20% showed no significant difference while 30% showed a significant difference. Color measurement found that lightness and yellowness decreased with the amount of the addition increased, which showed a significant difference; redness showed high values, which indicated significant differences among all the samples. Texture measurement found that hardness showed significant differences among all the samples; cohesiveness showed a significant difference between the control and the treatment group; resilience/springiness increased with the amount of the addition increased. There were no significant differences in gumminess while chewiness increased with the amount of the addition increased. The sensory evaluation showed the lowest color with the amount of the addition increased; 10% addition was most preferred in flavor and taste; there was no significant difference in texture; there was no significant difference in 0, 10, 20% additions in overall acceptability. Taking the quality assessment and the sensory evaluation together, it is considered that general tastes of ginger muffins can be improved when ginger juice addition is 10% of water amount used.
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