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유경미,Yoo, Kyung-Mi 한국식품영양학회 2014 韓國食品營養學會誌 Vol.27 No.4
This study was conducted to investigate the effect of Korean red pepper extracts on physiological and sensory characteristics. The Korean red pepper extracts were added to chocolate at weight percentages of 0, 2, 4, and 6%. The sensory characteristics made with various Korean red pepper concentrations of the additives were measured as follows: color values (L-value, redness, and yellowness), total phenol, total capsaicinoid, total carotenoid, and ABTS radical scavenging activity. In sensory evaluation, significant differences (p<0.05 and p<0.01) were shown in taste, spiciness, and overall acceptability depending on the addition of pepper extracts. However, there were no significant differences in the properties of aroma and bitterness for chocolate.
미국 고추케찹 및 국내산 고추케찹의 생리활성 성분 및 관능특성 분석
유경미,Yoo, Kyung-Mi 한국식품영양학회 2014 韓國食品營養學會誌 Vol.27 No.1
미국인이 즐겨먹는 기능성 고추케찹과 한국산 고추케찹의 생리활성 특성을 비교하고, 한국산 고추케찹의 외국인 관능평가를 진행하여 고추케찹의 특성과의 상관관계를 분석하여 고부가 가치 고추가공품의 기초자료를 마련하고자 연구를 진행하였다. 미국산 고추케찹 4종과 한국산 고추케찹의 총당, 염도, 당도의 이화학적 분석과 ASTA 값, 총 캡사이시노이드, 총 카로티노이드, 총 페놀, 총 항산화력의 생리활성 성분을 분석하고, 관능평가를 실시하였다. 한국산 고추케찹은 미국 고추케찹보다 생리활성 성분이 모두 높게 나타났으며, 관능평가 결과, 미국 고추케찹에 비하여 단맛과 짠맛이 약하고, 종합적 기호도가 높은 것으로 평가되었다. 생리활성 성분과 관능평가 결과의 상관관계 분석을 통하여 ASTA 값, 총 캡사이시노이드, 총 카로티노이드 함량과는 통계적으로 서로 양(positive)의 상관관계를 갖는 것으로 분석되었고, 이 3가지 생리활성 성분은 종합적 기호도와 높은 상관관계가 있는 것으로 나타났다. The purpose of this study is to analyze the Korean chili (Capsicum annuum L.) ketchup and American chili ketchup for their comparative bioactive components and then conduct a sensory evaluation. American chili ketchups are collected from Americans' local favorites, and then the American chili ketchups and Korean chili ketchups are analyzed based on their physiological compositions. Bioactive analysis of the Korean chili ketchups show : total capsaicinoids of $2.59{\pm}1.00mg/100g$, total carotenoids of $33.28{\pm}1.52mg/100g$, total phenol of $61.17{\pm}8.08mg/GAE/100g$, and vitamin C equivalent antioxidant capacity (VCEAC) of $187.04{\pm}3.22mg/100g$. The Korean chili ketchups show higher overall acceptability when being compared to Americans' local favorite chili ketchups. In the sensory evaluation, there are significant differences (p<0.05) in sour, sweet, hot, salty taste, and the overall acceptability in two groups.
고추와 가바쌀을 첨가한 기능성 마카롱 개발에 관한 연구
유경미,Yoo, Kyung-Mi 한국식품영양학회 2015 韓國食品營養學會誌 Vol.28 No.3
The aims of this study were to develop $macaron{\grave{e}}$ with Korean red pepper (Capsicum annuum L.) and GABA (${\gamma}$-aminobutyric acid) rice powder and analyze their physico-chemical and physiological characteristics. Korean red pepper (Capsicum annuum L.) was added to $macaron{\grave{e}}$ at a weight percentage of 0, 2.5 and 4.5%. Color values (L-value, redness, and yellowness), total sugar content, total phenolics, total carotenoids, ABTS radical scavenging activity, textures, and sensory characteristics with varying various Korean red pepper were measured. As the ratio of the powders in the $macaron{\grave{e}}s$ increased, total phenolic content, total carotenoid content, and radical scavenging activity increased. There were significant differences in total phenolic and total carotenoid content of $macaron{\grave{e}}s$ (p<0.05). Sensory evaluation indicated significant differences (p<0.05) in color, sweetness, texture, and overall acceptability depending on the addition of Korean red pepper. KR30 $macaron{\grave{e}}$, showed higher overall acceptability, as compared to other $macaron{\grave{e}}$.
유경미 ( Kyung Mi Yoo ),황자영 ( Ja Young Hwang ),이선미 ( Sun Mee Lee ) 한국식품영양학회 2011 韓國食品營養學會誌 Vol.24 No.4
The purpose of this study was to analyze the bioactive compounds of soybean snacks and to carry out a sensory evaluation of those variations which had various seasoning mixing ratio. Five soybean snacks were developed for these experiments. Proximate composition, the contents of total phenol compounds and isoflavone, and sensory characteristics of the soybean snacks were measured. There were significant differences in amounts of isoflavones and total phenolic compounds of soybean snacks(p<0.05). The seasoned soybean snacks had a higher level of daidzein and genistein contents than did control group. The total phenol compound contents of the control group was 210.3 ㎎ gallic acid equivalents/100 g, whereas those for individual soybean snacks(A~E) were 152.3, 160.2, 162.4, 158.4 and 164.6 ㎎ gallic acid equivalents/100 g, respectively. In sensory evaluation, there were significant differences(p<0.05) in taste, texture, and overall acceptability of the soybean snacks.
유경미 ( Kyung Mi Yoo ),송미란 ( Mi Ran Song ),지은정 ( Ji Eun Jung ) 한국식품영양학회 2011 韓國食品營養學會誌 Vol.24 No.1
The purpose of this study was to evaluate the optimum ratio of coffee waste to chocolate for the preparation and investigation of the sensory characteristics of coffee chocolates. Color values(L-value, redness, and yellowness), total flavonoids, radical scavenging activity, and sensory characteristics of coffee chocolates made with various concentrations of additives were measured. The coffee waste powders were added at weight percentages of 0, 1, 2, 3, and 4%. As the ratio of coffee powder to chocolate increased, total flavonoid content and radical scavenging activity increased. In sensory evaluation, significant differences(p<0.05) were shown in taste, bitterness, texture, and overall acceptability depending on the amount of coffee waste powder added. The optimal ratio for sensory acceptability of coffee chocolate was 2% added coffee waste powder.
유경미 ( Kyung Mi Yoo ) 한국식품영양학회 2011 韓國食品營養學會誌 Vol.24 No.3
The purpose of this study was to evaluate the effects of soybean varieties on the physicochemical and sensory characteristics tofu. Five varieties of soybeans(Daewon, Jinpoung, Hwanggum, Jinmi, and Manni) were selected for these experiments. Proximate composition and total phenolic acids in the soybeans, and the moisture, turbidity, lightness, yield rate, texture characteristics, and sensory characteristics of the tofu were measured. The Hwanggum soybeans had the highest levels of crude lipid and crude ash. There was a significant difference in the moisture and yield rate of the tofu(p<0.05). The crude protein and crude lipid contents of the soybeans affected the hardness and springiness of the tofu. In sensory evaluations, significant differences(p<0.05) were shown in taste, texture, and overall acceptability depending on the tofu by soybean variety. Therefore, one should consider soybean varieties when manufacturing tofu.