Kim, Ae-Jung;Lee, Jung-Ae;Kim, Min-Ju;Kang, Mi-Sook;Kim, Hyun-Bok;Lim, Jung-Dae
The Korean Journal of Food And Nutrition
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v.29
no.4
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pp.513-520
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2016
Recently, the incidence of cardiovascular diseases including high blood pressure and heart disease has increased with increased meat consumption in Korea. This study was performed to determine the optimal mixing ratio among ratios of 0, 1:0, 0:1, 1:1, 2:1, and 1:2 of mulberry leaf powder to mulberry fruit powder based on the anti-inflammatory effects. Then, the quality characteristics of the sauce for meat prepared with different mixing ratios (0, 1:1, 1:2, 1:3, 1:4, and 1:5) of mulberry leaf powder to mulberry fruit powder were assessed. The inhibitory effects of ML2MF1 (2:1 ratio of mulberry leaf powder to mulberry fruit powder) on NO and TNF-${\alpha}$ production were superior to those of other mixing ratios. With respect to color values of the sauce for meat prepared with different mixing ratio of mulberry leaf powder to mulberry fruit powder, as the mulberry fruit powder mixing ratios was increased, redness was increased but lightness and yellowness were decreased. The sensory evaluation of ML1MF5S (1:5 ratio of mulberry leaf powder to mulberry fruit powder) sauce for meat showed the highest score with respect to color, smell, taste, harmony with meat and the overall preference. In conclusion, as the mulberry leaf powder mixing ratio was increased, the anti-inflammatory activities were increased. But sensory evaluation scores were increased as the mulberry fruit powder mixing ratio was increased. Therefore, by performing further study, the method to increase mulberry leaf powder in the mixing ratio for improving the sensory evaluation should be provided.
The purpose of this study was to investigate the quality characteristics of sponge cake with various amounts of mulberry leaf powder in place of flour. The specific gravity of kneading was maintained at the different amounts of added mulberry leaf powder, which increased at ratios of 5, 10, 15, and 20 percent. The crumb decreased greatly when flour rather than mulberry leaf powder was used. As the amount of mulberry powder increased, red and yellow color decreased in both the crumb and crust. The volume and symmetry indices of the sponge cake slightly decreased when the amount of mulberry powder increased. However, uniformity was not significantly different between the samples. The specific volume of the cake decreased when the amount of the mulberry leaf powder increased. In addition, mulberry leaf powder increased the degrees of hardness and gumminess of cake, but did not show any differences for the cohesiveness and springiness of the cake texture. In the consumer acceptability test, the most favorable taste and odor were attained at the 10 percent level of mulberry leaf powder.
We investigated the quality characteristics of cookies prepared after the addition of various concentration of used guava leaf powder(0%, 1%, 3%, 5%, all w/w) as a substitute for flour. In this study, as guava leaf powder concentration rose, there was a decrease in the water content level. In addition, color, spread factor, hardness and sensory evaluation of the cookies were examined. The results showed that with an increase in guava leaf powder concentration, the L value decreased significantly, while the values for a and b of cookies increased when more guava leaf power was added to cookies. The spread factor of cookies decreased, but the hardness of cookies increased significantly, as guava leaf powder concentration increased. Cookies containing 0% and 3% of guava leaf powder showed a similar sensory evaluation score in terms of color, taste and flavor of the cookies. In the case of texture and overall consumer acceptability, cookies with 3% of guava leaf powder showed the highest score.
The objective of this study was to produce muffins with added dukeum ramie leaf powder and to compare them to a control. We used two different optimal composition ratios to produce muffins. The physical and sensory characters were varied by changing the ratio of dukeum ramie leaf powder, butter, and sugar to identify a critical value using response surface regression analysis. The ranges for the added dukeum ramie leaf powder, sugar, and butter were 15-35, 60-100, and 60-100 g, respectively. Muffins with added dukeum ramie leaves had comparable mineral and antioxidant vitamin compositions to those of dried ramie leaves. Muffins with added dukeum ramie leaf powder satisfied the suitability of the model, showing a p-value within 5% of significance level (p<0.05) for every aspect Volume and height differed without any association to ingredients. Lightness increased when less dukeum ramie leaf powder was added with more butter and sugar, redness increased when more dukeum ramie leaf powder and sugar were added with 70-80 g of butter, whereas yellowness increased when less dukeum ramie powder was added. Texture and toughness increased when less dukeum ramie leaf powder was added. The degree of gumminess and chewiness depended hugely on the amount of sugar. Cohesiveness, decreased with more dukeum ramie leaf powder and butter, whereas hardness increased with a medium range of ingredients. Sensory character increased with less dukeum ramie powder, and overall quality increased with more butter and sugar, but depended on the amount of added dukeum ramie power. The critical values from the sensory characteristics showed that 27 g of dukeum ramie powder, 72 g of sugar, and 86 g of butter was optimum.
Journal of the Korean Society of Food Science and Nutrition
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v.36
no.12
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pp.1604-1611
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2007
This study was conducted to investigate the quality characteristics of Jeolpyun prepared with different percentages of lotus leaf powder for 4 days. The moisture content of Jeolpyun without lotus leaf powder was 50.63% and those of Jeolpyun with the powder were $50.17{\sim}52.63%$ on 0 day; however, they did not show constant tendency during storage. Total cell counts of Jeolpyun with lotus leaf powder increased less than those of Jeolpyun without the powder during storage. As lotus leaf powder increased, L values of lotus leaf Jeolpyun significantly decreased and their a values significantly increased. As storage time increased, L values of lotus leaf Jeolpyun increased, and a and b values did not show constant tendency during storage. There was no difference between Jeolpyun with lotus leaf powder and Jeolpyun without the powder in hardness and chewiness on 0 day. As lotus leaf powder increased, the hardness and chewiness of lotus leaf Jeolpyun decreased after 1 day. The adhesiveness of 0% lotus leaf Jeolpyun significantly decreased after 2 days, and there was no difference in adhesiveness except for 3% lotus leaf Jeolpyun by 2 days. The springiness of 2% and 3% lotus leaf Jeolpyun was not significantly different for 4 days and the gumminess of all samples increased after 2 days. There was significant difference in cohesiveness between Jeolpyun with lotus leaf powder and Jeolpyun without on 0 day, but there was no great difference during storage. In the sensory evaluation, 2% lotus leaf Jeolpyun showed the highest preference scores; hence, 2% lotus leaf Jeolpyun prepared with 980 g rice flour, 20 g lotus leaf powder, 10 g salt and 360 g water was picked as the best.
This study was conducted to investigate the effect of mulberry leaf powder on the antioxidant activity and the quality characteristics of maejakgwa (a Korean traditional cookie). Maejakgwa was prepared with different amounts of mulberry leaf powder (in ratios of 0, 3, 6, 9 and 12% to the flour quantity). The antioxidant activity was estimated by DPPH free radical scavenging activity and the total phenol content in mulberry leaf powder and maejakgwa. For analyzing the quality characteristics, bulk density and the pH of the dough, moisture contents, color, texture profile analysis and sensory evaluations were measured. The total phenol contents, DPPH free radical scavenging activity, bulk density of the batter and the a values of maejakgwa significantly increased with increasing mulberry leaf powder, whereas the pH of the batter, L values and b values of the maejakgwa significantly decreased with increasing mulberry leaf powder content. Finally, the results of the acceptance test indicated that maejakgwa containing 6% mulberry leaf powder had the highest scores. From these results, we suggest that mulberry leaf is a good ingredient for increasing consumer acceptability as well as the functionality of maejakgwa.
The purpose of this study was to investigate the quality characteristics of cookies prepared with lotus leaf powder(0,1,3,5,7%) substituted for flour. The pH of the cookie dough decreased significantly at all levels of lotus leaf powder. The highest dough value was 1.25, which occurred in the 1% lotus leaf powder group; however there were no significant differences among the test groups. Upon comparing the spread factor values of samples the results showed there was an inverse relationship with the lotus leaf powder concentration as compared to the control(13.53). In addition, Hunter's color L, a and b values significantly decreased with increasing lotus leaf powder content (p < .001). According to textural measurements, the substitution of $1{\sim}7%$ for flour resulted in increased hardness, cohesiveness, springiness, and brittleness when samples were compared to the control. Finally, based on sensory evaluations results, the color of the cookies increased dose dependently with the lotus leaf powder concentration. And the cookies containing $1{\sim}3%$ had the highest scores.
Kim Ae-Jung;Yuh Chung-Suk;Bang In-Soo;Woo Kyung-Ja
Korean journal of food and cookery science
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v.22
no.1
s.91
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pp.56-61
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2006
This study investigated the quality characteristics of jelly using sericultural products which were manufactured with various addition levels(0.5, 1, 1.5, 2%) of mulberry leaf powder. To establish the additional amount of mulberry leaf powder, physicochemical, sensory, and texture results were analyzed. The moisture and crude protein content of Pongnipjelly were higher than that of the control(p<0.05). The mineral content was increased with increasing addition levels of mulberry leaf powder. The color of Pongnipjelly darkened with increasing addition levels of mulberry leaf powder. As for the texture analyser, the hardness, gumminess, and chewiness increased with increasing addition of mulberry leaf powder(p<0.05), whereas the springiness decreased. Therefore, the optimal added amount of powder for the manufacture of Pongnipjelly was determined to be 1.5% of the total weight.
This study was conducted to investigate quality characteristics of white pan bread with Cudrania tricuspidata leaf powder having functional components. Mixograph, pH, TPA, volume, specific volume, moisture, CrumbScan, color value, sensory evaluation and shelf-life test were performed on the white pan bread with Cudrania tricuspidata leaf powder. The obtained results are as follows. Mixogram analysis results showed that the dough with Cudrania tricuspidata leaf powder was suitable for baking quality. The more Cudrania tricuspidata leaf powder was added in the dough, the higher dough pH was and the lower pH values after fermentation and of the final productwere. TPA analysis results showed that higher amounts of Cudrania tricuspidata leaf powder resulted in increased hardness, chewiness, and gumminess of the white pan bread. Volume and specific volume of white pan bread were decreased with increased amounts of Cudrania tricuspidata leaf powder. CrumbScan images showed that fineness of grain, crust thickness, and volume of the bread were significantly different depending on the amount of Cudrania tricuspidata leaf powder. While color value analysis showed that increasing the amount of Cudrania tricuspidata leaf powder resulted in low L and a values. The results of the acceptance test showed that CLP3 had better scores in the appearance and texture characteristics than the control, while taste and overall acceptance were higher in the CLP2 compared with the control. According to the results of the shelf-life test, the white pan bread with 1~2% of Cudrania tricuspidata leaf powder had a significantly lower hardness when compared with the control. It was judged that a lower amount of Cudrania tricuspidata leaf powder could help in maintaining the softness of bread crumbs. Moisture content in the white pan bread decreased with the increased amounts of Cudrania tricuspidata leaf powder, but there were no significant differences among specimens.
This study was carried out to evaluate the effects of stevia (Stevia rebaudiana Bertoni) leaf powder on soybean milk quality. Soybean milk was prepared with the addition of 0.1 g (SP1), 0.2 g (SP2), 0.3 g (SP3), 0.4 g (SP4) of stevia leaf powder. The pH of soybean milk added with stevia leaf powders ranged from 7.90 to 7.98, whereas that of control was 7.88. The viscosity of soybean milk added with stevia leaf powder was 11.13~12.71 cp while that of control was 11.09 cp. Soymilk added with stevia leaf powder yielded values of Hunter L (59.40~64.94), a (-7.63~-6.45), and b (18.71~19.63), whereas that of control were 67.45, -4.74 and 20.13, respectively. There was decrease upon addition of stevia leaf powder. During storage, the pH, viscosity, L, and b values were decreased continuously. According to sensory evaluation, taste, and flavor of SP3 were better than the other groups. Quality characteristics between control and SP3 showed no significant differences. Therefore, this study showed the possibility of substituting 0.3 g of stevia leaf powder instead of sugar for creating a standard quality soybean milk with low calories. Upon the results of this study, it may be assumed that there are consequences positive responses to health-oriented consumers when using stevia leaf powder.
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