• Title/Summary/Keyword: total acceptability

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Quality Characteristics of Cookies Prepared with Button Mushroom(Agaricus bisporous) Powder (양송이버섯을 첨가한 쿠키의 품질 특성)

  • Lee, Jin-Sil;Jeong, Seong-Suk
    • Korean journal of food and cookery science
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    • v.25 no.1
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    • pp.98-105
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    • 2009
  • This study examined the effects of adding four different amounts (0%: control, 4%: M-4, 8%: M-8, 12%: M-12) of button mushroom (Agaricus bisporous) powder on the quality characteristics of cookies. The bulk density and pH of the dough, and firmness, color, spread factor, consumer acceptability of cookies, and total phenol compound content and free radical scavenging activity of mushroom powder and cookies were measured. While the bulk density and pH of the dough as well as spread factor of the cookies significantly decreased, the firmness, L values and total phenol compound contents and free radical scavenging activity of the cookies significantly increased with increasing mushroom powder content(p<.05). The consumer acceptability scores for the button mushroom cookie groups ranked significantly(p<.05) higher than those of the control group in general acceptability, appearance, flavor, color, taste, and texture. This study suggests that button mushroom powder is a good ingredient for increasing the acceptability and functionality of cookies.

김치로부터 분리한 효모가 생산하는 휘발성 화합물이 김치의 풍미에 미치는 효과

  • 김혜자;양차범;강상모
    • Microbiology and Biotechnology Letters
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    • v.24 no.4
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    • pp.512-518
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    • 1996
  • Eleven strains had been previously isolated from kimchi and identified in our laboratory. The ability of each strain in aroma production was investigated by sensory evaluation. Among them Saccharomyc s sp. YK-17, Saccharomyces sp. YK-18, Saccharomyces sp. YH-3 and Saccharomyces fermentati YK-19 produced fruity flavour. Especially, Saccharomyces fermentati YK-19 produced apple and pineapple-like flavours. Pichia media YK-11, Saccharomyces sp. YK-20 and Pichia chambardii YH-4 produced wine-like flavour. Debaryomyces sp. YK-6, Debarymyces coudertii YK-10, Saccharomyces sp. YK-12 and Pichia haplophilia YH-5 produced alcoholic flavours. Using the good flavour producing strains as starters, various groups of kimchi were fermented, and the sensory characteristics of each group such as odor, taste and total acceptability were evaluated. The acidic odor, moldy odor and taste were reduced by adding starter, while the fresh sourness odor and taste similar to fruity fiavour were increased by starter. Comparing with the control group, these odor, taste and total acceptability were increased in the starter-added groups, such as Pichia edia YK-11, Saccharomyces sp. YK-17, and Saccharomyces,fermentati YK- 19. Saccharomyces fermentati YK-19 added kimchi group was higher siginificantly (P<0.05) than the others at the total acceptability. Volatile compounds of the culture broth of Saccharomyces fermentati YK-19 were analysed by gas chromatography, and 6 species of esters and 4 species of alcohols were identified. Among them, the ester substances which broth largely responsible for the apple-like flavour in the sensory evaluation, were found to be ethyl 2-methyl butvrate, ethyl pentanoate and ethyl acetate.

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A Laboratory Study on Low Frequency Noise Assessment based on Noise Acceptability Limits (소음 수응 한계(Noise Acceptability Limits)를 고려한 저주파 소음평가에 대한 실험적 연구)

  • Hong, Seung-Ki;Kim, Jae-Hwan;Kim, Kyu-Tae;Lee, Soo-Gab
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2007.05a
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    • pp.127-131
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    • 2007
  • A laboratory study on low frequency noise assessment was carried out to determine the acceptability limits in the frequency range between 20 and 200 Hz. The acceptability limits were tested in the anechoic chamber to minimize the background noise. A total of 30 test subjects, who were aged between 19 to 33 years, participated in this study. They were exposed to various stimuli for about 1 hour by supra-aural earphone. The experiment consisted of two listening sessions; hearing threshold and the acceptability limits session. The results showed that the trend of the acceptability limits curve was approximately equal to C-weighting curve which had been found to be superior to A-weighting curve in low frequency noise assessment.

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Quality Characteristics of Chungkukjang-Kimchi and Its Acceptability by Elementary School Students (청국장김치의 품질 특성 및 초등학교 급식에서의 수응도 평가)

  • Yang, Eun-Sun;Yang, Hyang-Sook;Kim, Ae-Jung;Rho, Jeong-Ok
    • Journal of the East Asian Society of Dietary Life
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    • v.18 no.4
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    • pp.507-515
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    • 2008
  • This study investigated the standard recipe and changes in the quality characteristics of Chungkukjang-Kimchi (CKK) and evaluated its acceptance by elementary school students. The acceptability of Kimchi among elementary school students was evaluated by monitoring the plate waste rate. Chungkukjang powder was added to the Kimchi recipe at 0, 20, 40, 60% of the total weight of red pepper powder. The pH of the CKK decreased as fermentation proceeded, and the total acidity was $0.24{\sim}0.25%$ in all samples. The salinity of the CKK was 2.32%. The L color value was significantly lower in the treatment groups than in the control group. The b and a color values increased in the beginning, but tended to decrease during fermentation. In the sensory evaluation, there was no significant difference in appearance on preparation day, but there were significant differences on the 6th (p<0.05) and 20th days (p<0.01), with the highest scores observed in the 40% added group. Sourness increased significantly (p<0.001) during fermentation in all samples. There were significant differences (p<0.001) in crispness on the 3rd day among the treatment groups, and it tended to decrease as fermentation progressed. There were significant differences in flavor during the early stage (p<0.001), but there were no differences as fermentation proceeded. Overall acceptability was high in the 40% added group. Evaluation of acceptability by monitoring the plate waste rate in the school dining room showed that acceptability was highest in the 20% added group. Thus, it was concluded that acceptability among elementary school students was highest for CKK from the 20% Chungkukjang group.

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A Laboratory Study on Low Frequency Noise Assessment based on Noise Acceptability Limit (소음 수응 한계를 고려한 저주파 소음평가에 대한 실험적 연구)

  • Hong, Seung-Ki;Kim, Jae-Hwan;Kim, Kyu-Tae;Lee, Soo-Gab
    • Transactions of the Korean Society for Noise and Vibration Engineering
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    • v.17 no.8
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    • pp.736-740
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    • 2007
  • A laboratory study on low frequency noise assessment has been carried out to evaluate the relevance of the weighting curve. Especially, the A-weighting curve which is used in most noise assessments has been evaluated using the acceptability limit in this study. The acceptability limit is one of the indicators in which the subjective responses were well-reflected. For the measurement of the acceptability limit, pure tone stimuli were used in the frequency range between 20 and 200 Hz. The measurement was proceeded in the anechoic chamber to minimize the background noise level. A total of 29 test subjects, who were aged between 19 to 33 years, participated in this study. They had been exposed to various stimuli for about 1 hour by supra-aural earphone. The measurement consisted of two listening sessions: hearing threshold and the acceptability limit session. The results showed that the tendency of the acceptability limit curve was approximately equal to C-weighting curve which had been found to be superior to A-weighting curve in assessment of low frequencies.

Relationships between the Taste Components and Sensory Preference of Korean Red Peppers (한국산 고추의 맛 성분함량과 관능적 선호도와의 상관관계)

  • Lee, Hyun-Duck;Kim, Mi-Hee;Lee, Cherl-Ho
    • Korean Journal of Food Science and Technology
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    • v.24 no.3
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    • pp.266-271
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    • 1992
  • The contents of capsaicinoids, free sugars and organic acids of 10 Korean varieties of red pepper power were measured and the sensory properties of their water extracts were compared in order to investigate the influence of the composition of taste components on sensory acceptability of Korean red pepper. The composition of taste components in red pepper powder varied widely depending on the varieties; total capsaicinoid content varied from 0.029 to 0.296%, free sugar $8.45{\sim}15.21%$ and organic acid $4.58{\sim}17.54%$. Capsaicinoid contents, especially dihydrocapsaicin content, were highly correlated with the pungent taste of the water extract of red pepper powder (r=0.870), but did not show significant relationship to the overall sensory acceptability. The sensory overall acceptability was highly influenced by the contents of total sugar (r=+0.815), reducing sugar (r=+0.805), glucose (r=+0.814) and fructose (r=+0.787). Multiple regression with total sugar $(X_1)$, total capsaicin $(X_2)$ and total organic acid contents $(X_3)$ increased the correlation coefficient for sensory acceptability(Y) to R=0.9008. From the result, a regression equation of $Y=0.9808X_1-10.7526X_2-0.1664X_3-4.1147$ was obtained.

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Development of Macaronè with Korean Red Peppers (Capsicum annuum L.) and GABA rice and Evaluation of Physiological Characteristics (고추와 가바쌀을 첨가한 기능성 마카롱 개발에 관한 연구)

  • Yoo, Kyung-Mi
    • The Korean Journal of Food And Nutrition
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    • v.28 no.3
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    • pp.351-357
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    • 2015
  • 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 $macaron{\grave{e}}$.

Preparation and Sensory Characteristics of Chocolate with Added Coffee Waste (커피 폐원두박을 이용한 초콜릿 제조 및 관능적 특성)

  • Yoo, Kyung-Mi;Song, Mi-Ran;Ji, Eun-Jung
    • The Korean Journal of Food And Nutrition
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    • v.24 no.1
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    • pp.111-116
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    • 2011
  • 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.

Survey on Consumer Concept and Acceptability of Convenient Ginger Product (생강에 대한 소비자 인식 및 편의제품 선호도 조사 연구)

  • Shin, Dong-Hwa
    • Journal of the Korean Society of Food Culture
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    • v.9 no.3
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    • pp.323-327
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    • 1994
  • The consumers' concept and the acceptability of ginger and its processed product were surveyed by premade questionnaire. A total of 447 questionnaires were collected from housewives, restaurant managers and related processors at 7 regions in Korea. The 40.6% of total responsors reacted ginger as spice was necessary for food preparation by flavor(87.5%). The most difficulties of using ginger were peeling and washing(89.8%). The raw ginger purchased for their use was only utilized less than 70% of 46.5% and 50% of 21.3% of total responsors respectively. The processed and convenient style spices including ginger were accepted by 72.8% of qestionnaires and 76.9% of them hoped to have ginger paste. Such a convenient ginger products were more welcomed by younger generation than older.

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Primary Study on Providing a Basic System for Uterine Cervical Screening in a Developing Country: Analysis of Acceptability of Self-sampling in Lao PDR

  • Yoshida, Tomomi;Nishijima, Yoshimi;Hando, Kiyomi;Vilayvong, Soulideth;Arounlangsy, Petsamone;Fukuda, Toshio
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.5
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    • pp.3029-3035
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    • 2013
  • Background: Most developing countries have been unable to implement well-organized health care systems, especially comprehensive Pap smear screening-based programs. One of the reasons for this is regional differences in medical services, and a low-cost portable cervical screening system is necessary. To improve regional discrepancies in cervical screening systems, we investigated the usefulness and acceptability of cervical selfsampling by liquid-based cytology (LBC) for 290 volunteers in the Lao PDR. Materials and Methods: Following health education with comprehensive documents, cervical self-sampling kits by LBC were distributed in three provincial, district, and village areas to a total of 290 volunteers, who were asked to take cytology samples by themselves. Subsequently, the acceptability of self-sampling was evaluated using a questionnaire. Results: The documents were well understood in all three regions. Regarding the acceptability of self-sampling, the selections for subsequent screening were 62% self-sampling, 36% gynecologist-sampling, 1% either method, and 1% other methods. The acceptability rates were higher in the district and the village than in the province. For the relationship between acceptability and pregnancy, the self-sampling selection rate was higher in the pregnancy-experienced group (75%) than in the pregnancy-inexperienced group (60%). For the relationship between selection of self-sampling and experience of screening, the self-sampling selection rate was higher in the screening-inexperienced group (62%) than in the screening-experienced group (52%). Conclusions: Our data show that this new way forward, involving a combination of self-sampling and LBC, is highly acceptable regardless of age, educational background, and residence in rural areas in a developing country.