• Title/Summary/Keyword: mungbean sprouts

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Evaluation of Se Accumulation in the Production of Se-treated Soybean Sprouts and Mungbean Sprouts

  • Bai, Hong-Sook;Kim, Hyeong-Soo;Bai, Sung-Chul;Kim, Dae-Jin
    • Preventive Nutrition and Food Science
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    • v.14 no.2
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    • pp.142-147
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    • 2009
  • In this study, the selenium (Se) accumulations of soybean sprouts and mungbean sprouts treated with various concentrations of Se-solutions were evaluated, as part of a broader effort to produce Se-enriched variants of the plants. Four levels of sodium selenate ($Na_{2}SeO_{4}$)-dissolved solutions (i.e. 0, T0; 6, T1; 60, T2; and $600{\mu}g/mL$, T3) were prepared and sprayed onto the plants during cultivation. The effect of different spraying periods on Se accumulation was also assessed by watering plant groups once a day for periods of one, two, or three days. Se solution remaining on the surfaces of the plants was washed out by spraying with distilled water on the final day of cultivation. However, the increase of Se accumulation in the plants was found to depend on both Se-concentration and watering period, and the soybean sprouts were determined to accumulate Se more effectively than the mungbean sprouts. Additionally, with regard to Se accumulation in the plants, the period of application of Se solution was determined to be more important than the concentration of the Se solution applied. The averaged total levels of Se-enrichment in whole soybean sprouts at T0, T1, T2, and T3 were 0.26, 65.86, 179.62, and $525.12{\mu}g/dry$ matter (DM) g, respectively, and the relative equations relating Se enrichment in soybean sprouts (Y) against watering days (X) were Y=32.505X-36.17 (T1), Y=88.46X-92.04 (T2), and Y=251.11X-254.9(T3). The averaged total levels of Se-enrichment in the whole mungbean sprouts at T1, T2, and T3 group were 0.05, 3.64, and $101.43{\mu}g/DM$ g, respectively, and the relative equations relating Se enrichment (Y) to watering days (X) for mungbean sprouts were Y=1.67X-1.3467 at T1 and Y=48.035X-46.907 at T2. The results of this study suggest that soybean sprouts and mungbean sprouts enriched with bioavailable Se can be produced on a large scale by Se supplementation, allowing for the development of healthy functional foods such as Se-enriched mungbean sprout soups and salads, Se-enriched functional drink and food additives, and selenium tablets to promote health.

A Historical Research on Native Foods of Korea -with special reference to soybean and mungbean sprouts- (한국고유식품의 역사적 연구 -콩나물과 숙주나물을 중심으로-)

  • LeeKim, Mie-Soon
    • Journal of the Korean Society of Food Culture
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    • v.1 no.2
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    • pp.163-166
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    • 1986
  • Soybean and mungbean sprouts are vegetables indigenous to Korea which have been grown throughout the year from the most remote age. They had been called interchangeably as duchaeah or duah. Control method of environmental conditions for soybean or mungbean sprouts growing had been already appreciated from long time ago. A growing method once developed might have been handed over considerable period. Siroo (시루) and yongsoo (용수) had been the most common containers and the watering skill is of the utmost importance for soybean sprouts growing. As the demand of soybean sprouts in the market increased, a pit has been used for bean sprouts growing, and transformed into regular soybean sprouts factory. Now bean sprouts are international food and the demand of bean sprouts seems permanent in Korea. Accordingly the long-term policy concerned with the production of soybean sprouts should be prepared, placing emphasis on improved quality and safety.

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Phenolic Compounds Content and DPPH, ADH, ALDH Activities of Mungbean Sprout Based on Growth Temperature (녹두나물 재배온도에 따른 페놀화합물 함량과 DPPH, ADH 및 ALDH 활성)

  • Kim, Dong-Kwan;Son, Dong-Mo;Chon, Sang-Uk;Lee, Kyung-Dong;Kim, Kyong-Ho;Rim, Yo-Sup
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.54 no.1
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    • pp.1-6
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    • 2009
  • This study is to analyze the effects of the growth temperature of mungbean sprouts ($15{\sim}30{\pm}1^{\circ}C$) on the yield ratio, content of phenolic compounds and DPPH (1,1-diphenyl-2-picrylhydrazyl), ADH (alcohol dehydrogenase), ALDH (aldehyde dehydrogenase) activities of the sprouts. When the growth temperature of mungbean sprouts was higher, the yield ratio of the sprouts was higher while the hard seed rate was lower, but $25{\pm}1^{\circ}C$ and $30{\pm}1^{\circ}C$ showed no regular tendency. The content of the total phenol from the ethanol extract of the sprouts was higher in the growth temperature of $15{\pm}1$, $20{\pm}1$, and $25{\pm}1^{\circ}C$, while the content of total flavonoid was higher in the growth temperature of $15{\pm}1$, and $20{\pm}1^{\circ}C$. The DPPH radical scavenging activity of the ethanol extract of the sprouts was higher when the growth temperature was lower, while the activity of ADH and ALDH showed no regular tendency according to the growth temperature. Considering the yield ratio, content of phenolic compounds, biological activities of mungbean sprouts, the optimum cultivation temperature of mungbean sprouts may be $20{\sim}25^{\circ}C$.

Effect of Mungbean Sprouts Juice on Cadmium-Induced Hepatotoxicity in Rats (녹두나물 생즙이 카드뮴에 의한 흰쥐의 간손상에 미치는 영향)

  • 이명렬;최인화;김성오;김경수
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.27 no.5
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    • pp.980-986
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    • 1998
  • The effects of mungbean sprout juice on cadmium-induced hepatotoxicity in rats were investigated. Sprague-Dawley rats weighing about 90g were divided into 4 groups and raised for 6 weeks. ; control group(CON), mungbean sprouts juice-administered group(MSJ), cadmium-administered group(CAD) fed water containing 40 ppm cadmium chloride and mung bean sprouts juice and cadmium-administered group(MCD). The diet was supplied every day for the measurement of feed efficiency ratio(FER) and net weight gain was measured every 3 days. The activities of serum glutamic oxaloactic transaminase(GOT) and glutamic pyruvic transaminase(GPT), superoxide dimutase(SOD), catalase and glutathione peroxidase(GSH-Px) in the liver and the hepatic contents of glutathione were examined. The contents of Cd in liver and kidney of the rats were determined by using ICP(Inductively Coupled Plasma Emission Spectrophotometer). Growth rate and FER were decreased in CAD group, compared with CON group but the changes were not significant in MCD group. The activities of serum GOT and GPT, SOD, catalase and GSH-Px in the liver were increased by Cd administration, but the alterations were decreased by supplementation with mungbean sprouts juice. The level of glutathione decreased in CAD group(26.8$\pm$9.0mg/g liver), whereas it increased in MCD group(36.4$\pm$15.8mg gliver). The content of Cd in the liver and kidney in MCD group(9.57 ppm, 4.88 ppm) was decreased, compared with CAD group(12.81 ppm, 5.46 ppm). This result suggested that mungbean sprout juice has a lowering effect on the accumulation of Cd in the liver and kidney and it is believed that the juice has some protective effects to Cd-induced hepatotoxicity in rats, but the mechanism of these effects was obscure.

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Phenolics Content and Antioxidant Activity of Sprouts in Several Legume Crops (두과작물 새싹의 폴리페놀 함량 및 항산화성 비교)

  • Chon, Sang-Uk;Kim, Dong-Kwan;Kim, Young-Min
    • Korean Journal of Plant Resources
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    • v.26 no.2
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    • pp.159-168
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    • 2013
  • The study was conducted to determine the content of phenolics and flavonoids, antioxidant activity and antioxidant enzyme activity for the extract from 7 days old sprouts of cowpea (cv. "Seowon"), mungbean (cv. "Owool") and soybean (cv. "Pungsannamulkong"). Sprout length and weight of soybean sprouts were higher than those of cowpea and mungbean sprouts. Total phenolics content [mg ferulic acid equivalents (FAE) $kg^{-1}$ DW] was highest in soybean sprout extracts (82.2 mg $kg^{-1}$), followed by cowpea (32.2 mg $kg^{-1}$) and mungbean (24.5 mg $kg^{-1}$) sprout extracts (p < 0.05). The result of total flavonoid level [mg rutin equivalents $kg^{-1}$ DW] had same tendency to the total phenolics, showing lower amounts. The antioxidant activity of the methanol extracts from all the plant dose-dependently increased. DPPH (1,1-diphenyl-2-picryl hydrazyl radical) free radical scavenging activity was higher in cowpea (44%) and mungbean (42%) sprouts than in soybean sprouts (25%). Among antioxidant enzymes, APX and POX activities were highest in cowpea sprouts and CAT and SOD activities in soybean sprouts. The results showed that total phenolics content ($r^2$ = 0.5320 ~ 0.9032) and total flavonoids level ($r^2$ = 0.4672 ~ 0.9380) were highly correlated with antioxidant or with antioxidant enzyme activity, and that the level and activity of biologically active substances were different depending on plant species.

Effects of Grapefruit Seed Extract and An ion Solution on Keeping Quality of Mungbean Sprouts (자몽종자추출물과 은이온 용액이 숙주나물의 저장품질에 미치는 영향)

  • Cho Sook-Hyun;Heo Jae-Young;Choi Yong-Jo;Kang Jin-Ho;Cho Sung-Hwan
    • Food Science and Preservation
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    • v.12 no.6
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    • pp.534-539
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    • 2005
  • Effects of grapefruit seed extract and Ag ion solution on the keeping quality and shelf life of mungbean sprouts were investigated in terms of weight loss, gas composition, hardness, color, ascorbic acid content, and viable cell counts during storage. Packages with $30\;{\mu}m$ polypropylene(PP) film was applied for mungbean sprouts dipped in Ag ion solution, 50 ppm and 100 ppm GFSE, 50 ppm and 100 ppm GFSE in Ag ion solution and stored $5^{\circ}C$. Totally weight loss exceeded $1\%$ and no visible signs of shrivelling of mungbean sprouts were observed. GFSE in Ag ion solution treatment, resulting in mungbean sprouts of better visual quality, weight loss, color, ascorbic acid as compared to the control without dipping. A shelf life of 6 days was achieved with 100 ppm GFSE in Ag ion solution treatment.

Sensory Preference of Soy Sauces used for Seasoning Soups and Cooked Mungbean Sprouts (국과 숙주나물에 사용된 간장의 기호도 조사)

  • Lee, Young-Chun;Song, Ju-Ho;Lee, Seung-Yup
    • Korean Journal of Food Science and Technology
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    • v.26 no.5
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    • pp.507-511
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    • 1994
  • Traditional and commercial soy sauces used for seasoning soups and cooked mungbean sprouts were evaluated for consumer preference. Table salt was included in sensory tests, because the consumer commonly used it for seasoning soups. Triangle tests with 30 trained panelists were used to evaluate differences between two soy sauces, and 9 point hedonic scale tests with 100 consumer panelists to evaluate the consumer preference. Taste of sea mustard, Chinese radish and dried pollack soups seasoned with the traditional soy sauce, commercial soy sauce for soup and table salt was significantly different. The consumer panel indicated that the commercial soy sauce for soup was most preferred and the traditional soy sauce least preferred. Taste of cooked mungbean sprouts seasoned with two sauces, prepared with either traditional or commercial soy sauces, was significantly different from each other, but the consumer panel could not detect the difference in preference.

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Effects of Packaging and Storage Temperature on Quality during Storage of Mungbean Sprouts (숙주나물의 저장 중 품질에 미치는 포장 및 저장온도의 영향)

  • Cho Sook-Hyun;Lee Sang-Dae;Choi Yong-Jo;Kim Nak-Goo;Kang Jin-Ho;Cho Sung-Hwan
    • Food Science and Preservation
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    • v.12 no.6
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    • pp.522-528
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    • 2005
  • Effects of packaging and storage temperature on the quality and shelf life of mungbean sprouts(vigna radiata (L.) Wilczek) were studied Mungbean sprouts were packaged in polypropylene films(PP) and oriented polypropylene films(OPP) with 200 g, 250 g, and 300 g and stored at $4^{\circ}C,\;8^{\circ}C$ and $12^{\circ}C$, respectively. The deterioration of quality of mungbean sprouts during storage was caused by wilting of hypocotyl, abscission of cotyledon and softening of tissue. Total weight loss never exceeded $1\%$ and no visible signs of shrivelling of mungbean sprouts were observed. At $4^{\circ}C,\;30{\mu}m$ of OPP film per 250 g mungbean sprouts provided the optimal atmosphere composition(i.e. $3\%\;\O_2\;and\;5\%\;CO_2$). A shelf life of 6 days was achieved with these conditions. Hardness of hypocotyl, when deterioration in freshness began, was about 1,027.2 g when considerably deteriorated Hunter b value was 13 in deteriorated hypocotyl, vs. 11 for hypocotyl of fresh mungbean sprouts was accelerated by fluctuating storage temperature by the increment of storage time. It also was found that the optimum shelf life period was estimated to be 6, 2 and 2 days for 4, 8 and $12^{\circ}C$, respectively.

Washing Effect of Marketing Mungbean Sprouts on Morphological Characters and their Color (출하용 숙주나물의 세척 유무에 따른 형태 및 색상 변화)

  • Hong, Dong-Oh;Jeon, Seung-Ho;Lee, Chang-Woo;Kim, Hong-Young;Kang, Jin-Ho
    • Korean Journal of Plant Resources
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    • v.21 no.1
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    • pp.23-27
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    • 2008
  • Traditionally mungbean(Vigna radiata L.) sprouts has been eaten soon after washing. The study was carried out to measure the effect of washing before packaging on morphological characters and color of mungbean sprouts. The seeds of cv. Zhong Lu 1 were soaked in 50 ppm BA solution immediately before 4 hour aeration and then cultured for 6 days. The sprouts were washed immediately before packaged with PE envelops or not, and then stored 5 days at $8^{\circ}C$. Their morphological characters, fresh and dry weights, and colors were measured everyday. Compared to washed, nonwashed sprouts had more lateral roots although the two sprouts did nearly same in hypocotyl and root lengths, hypocotyl diameter, fresh and dry weights. Non-washed sprouts, moreover, showed higher brightness in hypocotyl and root and cutting resistance in hypocotyl although there were not significant differences in color a and b, meaning that the latter ones were more rapidly changed during their storage. In non-washed sprouts, number of lateral roots, hypocotyl length and diameter, total fresh and dry weights were nearly same up to 3 days and afterward were declined. Brightness and color b of hypocotyl were decreased with increased storage period although cutting resistance of hypocotyl was since 3 days after storage.

Morphological Characters and Color of Mungbean Sprouts Affected by Water Supplying on the Harvest Day (수확당일의 관수 유무에 따른 숙주나물의 형태 및 색상 변화)

  • Hong, Dong-Oh;Jeon, Seung-Ho;Lee, Chang-Woo;Kim, Hong-Young;Kang, Jin-Ho
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.53 no.1
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    • pp.28-33
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    • 2008
  • Traditionally mungbean (Vigna radiata L.) sprouts has been stored after dehydration to decrease their decay. The study was done to determine the effect of watering for final 12 hours of harvest day on morphological characters and color of mungbean sprouts. The seeds of cv. Zhong Lu 1 were soaked in 50 ppm BA solution immediately before 4 hour aeration and then cultured for 6 days, when water-supplied for final 12 hours or not. After packaged with PE envelops, the sprouts stored 5 days at $8^{\circ}C$, and their morphological characters, fresh and dry weights, and colors were measured everyday. Compared to non-water supplied, water supplied sprouts had thicker hypocotyl diameter in middle part, and higher total fresh weight due to increment of cotyledon and hypocotyl ones although the two sprouts did nearly same in other characters. Only nonwater supplied sprouts showed higher color b value in hypocotyl than water supplied ones although there were not significant differences between them in other color-related characters, meaning that the latter ones were more rapidly decayed during their storage. In non-water supplied sprouts, number of lateral roots, hypocotyl and root lengths, total fresh weight, brightness of hypocotyl and root was decreased since 3 days after storage but cutting resistance of hypocotyl was done since 5 days.