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Comparison on Retrogradation Properties of Cowpea and Mung Bean Starch Gels (동부와 녹두전분 Gel의 노화특성 비교)

  • Yoon, Gae-Soon
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.21 no.6
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    • pp.672-676
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    • 1992
  • Retrogradation properties of cowpea and mung bean starch gels were investigated by rate of retrogradation, X-ray diffraction patterna and syneresis of gels. Retrogradation time constant of mung bean starch gel(30%) by Avrami equation had a similar value to that of cowpea starch gel. X-ray diffraction patterns of the two retrograded starch gels(10%) were B-type. The extent of retrogradation determined by syneresis showed that cowpea starch gel was a little larger than that of mung bean starch gel(6~10%).

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Roasting and Cryogenic Grinding Enhance the Antioxidant Property of Sword Beans (Canavalia gladiata)

  • Jung, Ju-Yeong;Rhee, Jin-Kyu
    • Journal of Microbiology and Biotechnology
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    • v.30 no.11
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    • pp.1706-1719
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    • 2020
  • The objective of this study was to optimize the conditions for enhancing the antioxidant properties of sword bean (Canavalia gladiata) as a coffee substitute in two processing methods, roasting and grinding. The optimum conditions for removing off-flavor of the bean and maximizing functionality and efficiency were light roasting and cryogenic grinding (< 53 ㎛). In these conditions, extraction yield was 16.75%, total phenolic content (TPC) was 69.82 ± 0.35 mg gallic acid equivalents/g, and total flavonoid content (TFC) was 168.81 ± 1.64 mg quercetin equivalents/100 g. The antioxidant properties were 77.58 ± 0.27% for DPPH radical scavenging activity and 58.02 ± 0.76 mg Trolox equivalents/g for ABTS radical scavenging activity. The values for TFC and ABTS radical scavenging activity were significantly higher (p < 0.05) than in other conditions, and TPC and DPPH radical scavenging activity were second highest in lightly roasted beans, following raw beans. HS-SPME/GC-MS analysis confirmed that the amino acids and carbohydrates, which are the main components of sword bean, were condensed into other volatile flavor compounds, such as derivatives of furan, pyrazine, and pyrrole during roasting. Roasted and cryogenically ground (cryo-ground) sword beans showed higher functionality in terms of TFC, DPPH, and ABTS radical scavenging activities compared to those of coffee. Overall results showed that light roasting and cryogenic grinding are the most suitable processing conditions for enhancing the bioactivity of sword beans.

Effects of Legumes Consumption on the Association of Cholesterol and Bone Mineral Density in Ovariectomized Rats (난소 절제한 동물모델에서 콩의 섭취가 콜레스테롤과 BMD와의 상관관계에 미치는 효과)

  • Kim, Jung-Min;Jin, Na;Park, Yong-Soon
    • Korean Journal of Medicinal Crop Science
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    • v.20 no.1
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    • pp.42-46
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    • 2012
  • Soy isoflavones have been suggested to improve bone loss and lipid profile in postmenopausal women and ovariectomized rats. In present study, we investigated the hypothesis that consumption of soybean, mung bean, cowpea and azuki bean has a beneficial effect on lipid profile which associates with bone mass in ovariectomized rats. Forty two female Sprague-Dawley rats were either sham-operated (Sham) or surgically ovariectomized (OVX). Sham and OVX groups were fed a regular AIN-93M diet, but ovariectomized rats with soybean (OS), mung bean (OM), cowpea (OC) or adzuki bean (OA) were fed AIN-93M diet replacing 35% of corn starch with powdered OS, OM, OC or OA for 10 weeks. Total- and LDL-cholesterol concentrations were significantly lower in Sham and OC groups than other OVX groups. There was significant negative association between total cholesterol concentration and bone mineral density (BMD) of tibia in only OC group. In conclusion, total-cholesterol concentration was significantly and negatively correlated with BMD in rats consumed cowpea, suggesting that the reduced cholesterol concentration may have a beneficial effect on bone mass.

The effect of bean sprouts by-product addition on the growth of Pleurotus ostreatus (콩나물 부산물 첨가가 느타리 생육에 미치는 영향)

  • Park, Youn Jin;Oh, Tae Seok;Kim, Tae Kwon;Kang, Min Gyeong;Jang, Myoung Jun
    • Journal of Mushroom
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    • v.18 no.2
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    • pp.141-144
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    • 2020
  • In this study, we attempted to find alternative materials to replace Cotten seed meal(CM) using the wastes of bean sprouts by-product in bottle cultivation of Pleurotus ostreatus. In Proximate analysis, the protein content of BW was slightly lower than that of CM, but the growth characteristics of mushrooms were similar to those of control when byproduct of bean sprouts was used. In addition, the amino acid composition of fruit body did not show a significant difference in the treatment section. Therefore, it is judged that BW could be a suitable substitute for CM in the cultivation of Pleurotus ostreatus.

Residual Mercury in Soy-Bean Sprouts by Steps of Cooking (조리과정에 따른 콩나물 중의 수은잔유량)

  • Chung, Jun-Yong;Park, Jung-Duck;Chung, Kyou-Chull
    • Journal of Preventive Medicine and Public Health
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    • v.19 no.2 s.20
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    • pp.307-313
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    • 1986
  • This study was carried out in order to estimate the residual amount of mercury in soy-bean sprouts in each steps of cooking. Samples were taken at markets and also cultured at home without applying the mercury containing pesticides as control. Mercury was determined by dithizone method. It was disclosed that soy-bean sprouts purchased at markets contained $1.32{\pm}0.274ppm$, 13 times as high as the maximal allowable concentration of mercury in food recommeded by Ministry of Health and Social Affairs. Mercury contents, however, dropped off steadily by steps of cooking: rinsed with distilled water and boiled in distilled water showing concentrations of $0.11{\pm}0.025ppm$ in boiled sprouts and $0.03{\pm}0.022ppm$ in sprout-soup. These values were not statistically different from those in control samples, and not exceeded the maximal allowabled levels of mercury in food. It can be concluded that the use of mercury containing pesticides in the cultivation of soy-bean sprouts is not so serious problem as it has been suspected in respect of food contamination, but careful attention must be paid to indiscriminate use of mercury containing pesticides as they may contaminate air, water and soil and secondarily bring harm to human health through food chains.

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An Exploratory Study on Brand Personality : The Case of A Traditional Casual Brand in Korea

  • Lee, Mi-Young;Oh, Keun-Young
    • Journal of Fashion Business
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    • v.10 no.6
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    • pp.79-90
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    • 2006
  • In order to build strong brand equity in the current market circumstances, it is essential to understand the core dimensions of brand image, which is brand personality. The objectives of this study were to identify the brand personality dimensions of a casual brand, "BeanPole," and to investigate the effects of the brand personality on BeanPole buyers' brand preference, satisfaction and loyalty. The data were collected via a web survey. The sample consists of 500 people between the ages of 18-45 who are familiar with Bean Pole casual clothing brand (male- 40%; female-60%). Sixty-six percent of the sample indicated that they had purchased the Bean Pole clothing during the last three years. A total of five factors were extracted from the brand personality index scale: They were excitement/sophistication, competence, sincerity, ruggedness, and smoothness. Compared to the B/P non-buyers, B/P buyers tended to rate excitement/sophistication, competence, sincerity, and the smoothness brand personality dimensions higher. Multiple regression analysis revealed that excitement/sophistication, competence, sincerity and ruggedness brand personality were significant predictors of respondents' casual clothing brand preference, satisfaction, and brand loyalty. Among these significant predictors, competence was the best predictor of casual clothing brand preference, satisfaction and brand loyalty. Based on these findings, strategic implications are discussed.

Management of a Severe Cervical Degloving Injury in a Bean Goose (Anser fabalis serrirostris)

  • Son, Jiwon;Rhim, Haerin;Kim, Hong-Cheul;Bae, Jieun;Han, Jae-Ik
    • Journal of Veterinary Clinics
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    • v.37 no.1
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    • pp.53-56
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    • 2020
  • A wild juvenile bean goose (Anser fabalis serrirostris) was rescued after sustaining an extensive degloving injury around the neck and chin region. Except for the degloving injury, physical and radiographic examination detected no other trauma-induced abnormality. On the day of presentation to the hospital, the patient underwent extensive debridement and suturing. A twice-daily force feeding with diluted parrot weaning food was required during the hospitalization due to severe anorexia. On day 18, the bean goose was moved to the aviary to undergo rehabilitation and feeding by itself. Management of the severe degloving injury of the cervical region with medical intervention and nutritional assistance was successful in this case, and the results of this case shows the proper management can be implemented to produce satisfactory outcomes.

Determination and Isolation of leaf Isoflavone in Hyacinth Bean (제비콩 잎의 isoflavone 함량 및 성분 분석)

  • Kim, Yong-Wook;Lim, Se-Jin;Kim, Myoung-Ae;Choi, Woo-Chul;Yoon, Hong-Tae
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.46 no.6
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    • pp.449-452
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    • 2001
  • Legume seed isoflavones may have a variety of desirable physiological effect on the human health including both the circulatory and skeletal systems. The present study was performed to determine the isoflavone content of leaf and seed as well as to purify and identify the types of isoflavone from leaf extract of hyacinth bean (Lablab purpureus (L.) Sweet). Reverse phase HPLC revealed six different types of isoflavone such as daidzin, genistin, daidzein, genistein, 6"-o-acetyl genistin and 6"-o-acetyl daidzin in aqueous methanol extract from seeds and leaves of the hyacinth bean. Relatively, leaf isoflavone content of hyacinth bean was greater than seed isoflavone content. Using DiAion HP-20 silica gel and sephadex LH-20 chromatography, pure daidzein was identified in the ether layer, whereas genistin was in the EtOAC fraction.

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Leaf blight of Castor Bean Plants caused by 2 Species of Phytophthora(oral)

  • Kim, B.S.;Y.S. Lim;Kim, J.H.
    • Proceedings of the Korean Society of Plant Pathology Conference
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    • 2003.10a
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    • pp.128.3-129
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    • 2003
  • A leaf blight disease caused by a species of Phytophthora has been observed on castor bean plants growing near dwelling houses in Manchon-dong, Daegu since 1993. The first isolate that we have kept was producing papillate, ovoid-obpyriform to obpyriform sporangia with on a simple sympodial sporangiophore from diseased tissue placed on water agar plates. The pure isolate, however, did not sporulate on agar media, and rarely even in water, but produced mycelial swellings and chlamydospores in water. Sporangia measured 26.1-77.4 ${\times}$ 23.2-44.0$\mu\textrm{m}$. Chlamydospores were either terminal or intercalary, and measured 24-29.4$\mu\textrm{m}$ in diameter. Sex organs were not formed in a single culture. In 2003, another pure isolate was isolated from castor bean plants with similar symptoms at the same place. The second isolate was distinct from the first one in that the second isolate was readily and abundantly sporulating on V8 juice agar plates. Sporangia of the second isolate were papillate, ovoid and caduceus with a pedicel. Sporangia measured 19.5-48.8 x 17.6-34.3$\mu\textrm{m}$ with 3.7$\mu\textrm{m}$ high papilla and 4.1$\mu\textrm{m}$ long pedicel. No sex organs were formed in a single isolate culture. Both isolates were pathogenic on castor bean plants. Results of the efforts to identify the two species of Phytophthora will be discussed.

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Occurrence of Root Rot caused by Fusarium fujikuroi on Adzuki Bean in Korea

  • Min Sun Ha;Hyunjoo Ryu;Sung Kee Hong;Ho Jong Ju;Hyo-Won Choi
    • The Korean Journal of Mycology
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    • v.50 no.4
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    • pp.319-329
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    • 2022
  • In July 2020, wilting symptoms were observed among adzuki bean plants (Vigna angularis var. angularis L.) in the fields in Yeosu, Korea. Infected plants showed yellowing of leaves, browning inside the stems, splitting of stem bark, and wilting. When these plants were uprooted, their roots were found to be brown. The fungal pathogens NC20-737, NC20-738, and NC20-739 were isolated from symptomatic stem and root tissues. These pathogens were identified as a Fusarium fujikuroi species complex based on their morphological characteristics. Molecular identification was performed using the DNA sequence of translation elongation factor 1 alpha and the RNA polymerase II second largest subunit regions. The nucleotide sequences of all three isolates were similar to the F. fujikuroi reference isolates NRRL 13566 and NRRL 5538 of the National Centre for Biotechnology Information GenBank. A pathogenicity test was conducted by the soil inoculation method with cornmeal sand inoculum. Approximately 3 weeks after inoculation, symptoms were observed only in the inoculated adzuki bean seedlings. To the best of our knowledge, this is the first report of Fusarium root rot caused by F. fujikuroi in adzuki beans, both in Korea and worldwide.