• Title/Summary/Keyword: bean extract

Search Result 154, Processing Time 0.028 seconds

The Effect of Vegetable Extracts on the Activity of Alcohol Dehydrogenase from Saccharomyces cerevisiae

  • Jung, Soon-Teck;Kang, Bae-Kwang
    • Preventive Nutrition and Food Science
    • /
    • v.6 no.4
    • /
    • pp.224-229
    • /
    • 2001
  • We investigated the effects of bean sprouts (Glycine max), dropwort (Oenanthe javanica), and radish (Raphanus sativus var. hortensis for. acanthiformis) extracts on alcohol dehydrogenase (ADH). The extracts from three kinds of vegetables were prepared by extracting with boiling water, distilling water, and ethyl alcohol. Among extracts, boiling water extract showed the highest activating effect on ADH, respectively and distilled water extract had a greater effect on ADH activation than that of alcohol extract. The ADH facilitating effect of bean sprout extract by distilled water was significantly higher than dropwort or radish, hut the effect of the bean sprout extract by ethyl alcohol was lower than others. The facilitating effect on ADH of mixture extracts of bean sprout and dropwort were mixed at 1 : 1 mixture of boiled-water extract showed the highest effectiveness. And bean sprout extract separated below 3000 molecular weight (MW) range of extract fraction had greater ADH activity than large MW parts.

  • PDF

Phytochemical Characteristics of Coffee Bean Treated by Coating of Ginseng Extract

  • Choi, Sang-Yoon;Hong, Hee-Do;Bae, Hye-Min;Choi, Chang-Sun;Kim, Kyung-Tack
    • Journal of Ginseng Research
    • /
    • v.35 no.4
    • /
    • pp.436-441
    • /
    • 2011
  • The principal objective of this study was to assess the instrumental and sensory characteristics of ginseng coffee with different ratios of the ingredients: type of coffee bean (Colombia, Brazil, and Indonesia), type of ginseng extract (white ginseng, red ginseng, and America ginseng) and concentration of ginseng extract (3, 6, and 9 w/v %). The sensory optimal condition of white ginseng coffee, red ginseng coffee and America ginseng coffee were as follows: 3% Indonesian coffee bean coated with 3% white ginseng extract, Colombian coffee bean coated with 6% red ginseng extract and Colombian coffee bean coated with 3% American ginseng extract, respectively. In particular, the Colombian coffee bean coated with 6% red ginseng extract had significantly higher scores than other samples in terms of flavor, taste, and overall preference. Additionally, the contents of total ginsenoside and total sugar and total phenolic compounds were also highest in the Colombian coffee bean coated with 6% red ginseng extract.

Clinical Studies on the Anti-Irritation Effects of Mung Bean (Phaseolus aureus) Extract in Cosmetics (녹두추출물의 자극완화 효과에 관한 임상 연구)

  • 안기웅;강태원;정지헌;조병기
    • Journal of the Society of Cosmetic Scientists of Korea
    • /
    • v.30 no.1
    • /
    • pp.23-28
    • /
    • 2004
  • The aim of this study is to assess the anti-irritation activities of mung bean (Phaseolus aureus) extract against various irritants used in cosmetics. For its antidotal activity, mung bean has been used as a medicinal or cosmetic material since ancient times. However, there have been few reports describing the biological activities of these beans and no comprehensive surveys of the constituents. We obtained an ethanolic extract of mung bean and isolated the major constituents, such as vitexin and isovitexin. And we previously reported that the mung bean extract containing vitexin and isovitexin had excellent antioxidant and anti-inflammatory activities. To investigate the mechanisms of anti-inflammatory activity of mung bean extract, we examined the inhibitory effects on histamine release from rat peritoneal mast cells and lipoxygenase activity. Mung bean extract inhibited histamine release in a concentration dependent manner but showed no inhibitory activity in the 5-lipoxygenase assay. And, clinical studies were conducted to evaluate the anti-irritation effects of mung bean extract against various irritants used in cosmetics such as lactic acid, retinol, and preservatives. When 2.0% of mung bean extract was applied to cosmetic formulae containing each of irritants, it revealed considerable anti-irritation efficacy. Our results of the human patch test with 20 volunteers showed that this extract reduced skin irritations caused by 5.0% lactic acid, 4000 IU retinol, and 1.0% preservative mixture by about 60%, 30%, and 50% respectively. The stinging potential test for assessing subjective irritation also showed that the extract reduced the unpleasant sensations by about 50∼30%. Finally, we performed a double-blind usage test with 30 subjects to compare formulae containing mung bean extract with placebo. From the results of questionnaires for 4 weeks of use, we confirmed the excellent anti-irritation effect of mung bean extract. Conclusively, we could discover new material that had anti-irritation effects and apply this mung bean extract to the final cosmetic products successfully.

Anti-Inflammatory Effect of Germinated Mung Bean and Hairdye Applications (발아 녹두 추출물의 항염증 효능 및 염모제 응용)

  • Kim, Eun-Seok;Jeong, Noh-Hee
    • Journal of the Korean Applied Science and Technology
    • /
    • v.31 no.1
    • /
    • pp.23-30
    • /
    • 2014
  • In this study, a research of anti-inflammatory effect and application for cosmetics after extracting of germinated mung bean. Germinated mung bean extract was showed high NO constraining effect compared with $250{\mu}g/m{\ell}$ concentrated mung bean extract and germinated mung bean extract. Also shown is the highest nitrogen oxide inhibiting effect that using 1,3-butylene glycol when comparing the results of extraction conditions of a water-soluble, and extracted mung bean germinated for 5 days. The result of applying the germinated mung bean extract hairdye inflammatory reaction happens many showed nitrogen oxides higher inhibitory effect than that hair dye containing germinated mung bean extract is not included. Therefore, germinated mung bean extract is expected to the abirritant and anti-inflammatory agent as the material for cosmetic.

Reelection Device for Dyeability of Cotton Fabrics with Chestnut Husk Extract by Bean Sap Pre-treatment (밤 외피 추출물을 이용한 면직물 염색에서의 두즙 전처리효과)

  • 김병미
    • Journal of the Korea Fashion and Costume Design Association
    • /
    • v.5 no.3
    • /
    • pp.15-23
    • /
    • 2003
  • Chestnut trees have been used as a dyeing material, which are grow naturally, are cultivated all the area of Korea. So, there is abundant amount of the materials and they have better colorfastness than other natural dyeing materials. But chestnut husk extract is good at silk and wool fabrics, not cotton fabrics. That's why many methods using chestnut extraction for dyeing are being studied. But most of them depend on treatment method with chemical material which doesn't fit with the aim, using natural materials. Therefore in this research, we used protein pre-treatment method which is dyeing chestnut husk extract after treating at cotton fabrics with bean sap. And we studied the effect of dyeability of chestnut husk extract to cotton fabrics. As a result of pre-treatment of bean sap at cotton fabrics, dyeability was increased. Besides laundering fastness, dry cleaning fastness, perspiration fastness and light fastness were almost increased.

  • PDF

Effect of Green Coffee Bean Extract Supplementation on Body Fat Reduction in Mildly Obese Women (경도비만 여성에서 생커피두 엑기스의 섭취에 의한 체지방 감소 효과)

  • Kim, Tae-Su;Yang, Woong-Suk;Park, So-I;Lee, Sung-Pyo;Kang, Myung-Hwa;Lee, Jae-Hwan;Park, Il-Bum;Park, Hyun-Jun;Murai, Hiromichi;Okada, Tadashi
    • Journal of the Korean Society of Food Culture
    • /
    • v.27 no.4
    • /
    • pp.407-413
    • /
    • 2012
  • In previous studies, we performed joint animal studies and clinical trials between Yonsei University and Oryza Oil & Fat Chemical Co. Ltd. We have shown that coffee bean extract has potent anti-obesity and hypotriglyceridemic activities as well as beneficial effects on body fat reduction.In this study, the effects of coffee bean extract (100 mg/capsule) on body fat reduction were evaluated in overweight/obese women (body mass index of 25~30 $kg/m^2$ or body fat > 30%) not diagnosed with any type of disease. Subjects were randomly assigned to a coffee bean extract group (n=10) or placebo group (n=10). We measured anthropometric parameters, abdominal fat distribution by computed tomography and blood components before and after the 8week intervention period. After supplementation, the coffee bean extract group showed body weight (p=0.08), body mass index (p=0.06), hip circumference (p<0.05), and upper waist circumference (p< 0.01). In addition, after 8 weeks, the coffee bean extract group showed a significant decrease in abdominal internal fat area compared to 0 weeks (0 weeks : $155.8cm^2$; 8 weeks : $145.9cm^2$, ${\Delta}$ change : $-9.9cm^2$, respectively). However, there were no significant differences in lipid profiles or serological measurements between the coffee bean extract group and placebo group. The results of our human study demonstrated that coffee bean extract supplementation for 8 weeks has beneficial effects on reducing abdominal internal fat area as well as hip and waist circumferences.

A Study of Compound Changes in Coffee Beans by Different Roasting Condition

  • Lee, Jae Chul
    • Culinary science and hospitality research
    • /
    • v.22 no.6
    • /
    • pp.114-119
    • /
    • 2016
  • This study aimed to investigate changes in the diverse compound in coffee beans under different roasting conditions. Four different kinds of chemical characteristics (phenolic contents, flavonoid contents, chlorogenic acid, and caffeine) were analyzed. According to the temperature of coffee roasting, this study categorized green bean, extract A ($191^{\circ}C$), B ($202^{\circ}C$), C ($220^{\circ}C$), and D ($233^{\circ}C$). As a result, total phenol compound showed low level of total phenol compound at lower temperatures. Extract A showed significantly higher level of total flavonoid ($111.33{\pm}10.14$), green bean showed $83.67{\pm}2.43$, Extract B $46.11{\pm}2.38$, C and D showed $31.44{\pm}0.12$, $19.22{\pm}0.46$ respectively. Green bean showed higher level of chlorogenic acid ($64.47{\pm}0.51$), Extract A ($39.66{\pm}0.47$), extract B ($12.45{\pm}0.99$), C, D ($3.59{\pm}0.31$, $0.63{\pm}0.12$) respectively. This study also noted that there are significant different in terms of caffeine content. Extract A has higher level of caffeine content ($38.45{\pm}1.70$) significantly, green bean ($27.14{\pm}2.27$), extract B ($18.95{\pm}0.64$), extract C ($17.89{\pm}0.96$). As a conclusion, we revealed that roasting conditions play an important role in the composition of coffee compounds.

급성기 반응중인 육계병아리의 생산성과 영양소 이용성에 미치는 콩 추출물 함유 미역제품 사료의 영향

  • 최도열;임진택;박인경;이혜정;최준영;고태송
    • Proceedings of the Korea Society of Poultry Science Conference
    • /
    • 2004.11a
    • /
    • pp.31-32
    • /
    • 2004
  • In order to at day evaluate effect of dietary 2.0 % brown seaweed(Undaria pinnatifida) with bean extract on performance and nutrients utilization during acute phase response, one day-old broiler chicks were fed basal diet and diets substituted with 2.0 % brown seaweed and 2.0 % brown seaweed with bean extract instead of wheat bran in basal diet for 4weeks. Dietary 2.0 % brown seaweed with bean extract enhanced dietary ME value and protein accumulation due to the increased NB and decreased UAN excretion. increased feed intake during acute phase response and had the highest body weight among birds fed experimental diets. The resulted indicated that dietary 2.0 % brown seaweed with bean extract improved performance of broiler chicks due to the increased protein accumulation during acute phase response.

  • PDF

Inhibitory Effect of Cacao Bean Husk Extract on Glucosyltransferase from Streptococus mutans B13 (Cacao Bean Husk 추출물의 Glucosyltransferase 저해효과)

  • 권익부;이용우안봉전이신영
    • KSBB Journal
    • /
    • v.8 no.1
    • /
    • pp.75-82
    • /
    • 1993
  • The inhibitory effect of cacao bean husk (CBH) extract on glucosyltransferase(GTasc) from Streptococcus mutans B13 was investigated. Water solube extract from CBH showeda sarong inhibitory effect (88-89%) on GTase from Streptococcus mutans Bl3. GTase inhibitors from sequential extraction by hot water or water-methanol had the strongest inhibition. Sources, fermentation, and types of solvents and fumigation processes did not influence the effect. These active compounds proved to be polyphones through acid hydrolytic analysis of the precipitates by ammonium sulfate or ethanol and proteinase K. It was also confirmed by additional column chromatography of Sephadex G-50, Sephadex LH-20 and DEAE-Sephdex A-50.

  • PDF

Antioxidant Activity of Chinese Mung Bean (중국산 녹두의 항산화 활성)

  • Jeon, Ki-Suk;Xu, Yun-Long;Park, Shin-In
    • Culinary science and hospitality research
    • /
    • v.21 no.2
    • /
    • pp.41-51
    • /
    • 2015
  • The aim of this study was to investigate the applicability of Chinese mung bean as a natural antioxidant agent. This study evaluated the phenolic compounds content and antioxidative activity of methanol extract from Chinese mung bean. Antioxidative activities were measured by in vitro models such as 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, and 2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid(ABTS) radical scavenging activity. The contents of total phenolics and total flavonoids of Chinese mung bean extract were $174.83{\pm}2.90GAE\;mg/g$ and $68.87{\pm}2.84QE\;mg/g$, respectively. The antioxidative activities of Chinese mung bean extract were significantly increased in a dose dependent manner on DPPH radical scavenging and ABTS radical scavenging(p<0.05). The concentration of Chinese mung bean extract that reduces the free radical ABTS about 50%($IC_{50}$) was 2.85 mg/mL. These results suggest that Chinese mung bean may have great potential as a natural antioxidant source linked with health benefits.