• Title/Summary/Keyword: wild vegetable

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Alpha-glucosidase Inhibitory Activities of Some Wild Vegetable Extracts

  • Kim, Jong-Sang;Kwon, Chong-Suk;Son, Kun-Ho;Kim, Jung-In
    • Preventive Nutrition and Food Science
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    • v.5 no.3
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    • pp.174-176
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    • 2000
  • Seventeen wild vegetables consumed commonly in Korea were tested for inhibitory activities against alpha-glucosidase, followed by Bupleurum longeradiatum and Angelica decursiva. The hexane-soluble fractions of Hosta longipes, Ainsliaea acerifolia, Pedicularis resupinata, Bupleurum longeradiatum, and Angelica decursiva all at the concentration of 5 mg/ml, inhibited enzyme activity by greater than 50%, and the ethylacetate-soluble fractions of Hosta longipes, and Codonopsis lanceolata, and Bupleurum longeradiatum had relatively strong inhibitory activity against the enzyme. These results suggest that some edible plants merit further evaluation for clinical usefulness as anti-diabetic drugs.

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Consumer Consumption Behavior and Preference of Salted Wild Vegetable: A conjoint analysis with Allium victorialis (컨조인트 분석을 이용한 산마늘 절임 제품의 소비자 소비행태 및 선호도 분석)

  • Kim, Ki Dong
    • Journal of Korean Society of Forest Science
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    • v.104 no.1
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    • pp.169-178
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    • 2015
  • The purpose of this study is to obtain the basic information for developing new product and marketing strategies of salted wild vegetable. This study analyzes consumer's consumption behavior and preference on salted Allium victorialis using the conjoint analysis. The result shows that 'Container' is the most important factor among various attributes of salted Allium victorialis, followed by 'Origin of Salting Sauce Soy', 'Price', 'Traditional Food Quality Certification', and 'Area of production'.

Phytophthora Foot Rot of Deltoid Synurus Caused by Phytophthora cryptogea

  • Nam, Young-Ju;Oh, Sang-Keun;Kim, Sun Ha;Moon, Youn-Gi;Cho, Weon-Dae;Kim, Wan-Gyu
    • Research in Plant Disease
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    • v.28 no.3
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    • pp.162-165
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    • 2022
  • Foot rot symptoms were repeatedly observed on plants of deltoid synurus (Synurus deltoides) growing in a field of the Wild Vegetable Research Institute located in Pyeongchang, Korea during disease surveys in July 2020 and June 2021. The symptoms appeared as wilting of the plant leaves, and the plant stems and petioles at or above the soil line turned dark and rotted. The incidence of diseased plants in the field was 5-10%. Five isolates of Phytophthora sp. were obtained from lesions of the diseased plants and investigated for their morphological and molecular characteristics. All the isolates were identified as Phytophthora cryptogea based on the morphological and molecular characteristics. Three isolates of P. cryptogea were tested for pathogenicity on deltoid synurus plants using artificial inoculation. All the tested isolates caused foot rot symptoms on the inoculated plants. The symptoms were similar to those observed in plants from the field investigated. To our knowledge, this is the first report of P. cryptogea causing Phytophthora foot rot in deltoid synurus.

Induction of Hepatic Glutathione S-transferase Activity in Mice Administered with Various Vegetable Extracts

  • Kim, Mee-Ree;Lee, Kun-Jong;Kim, Yun-Bae;Sok, Dai-Eun
    • Preventive Nutrition and Food Science
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    • v.2 no.3
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    • pp.207-213
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    • 1997
  • The effect of various vegetables commonly consumed by Koreans on the induction of glutathione S-trasferase(GST) activity in mice was assessd. The extract of vegetable dissolved in propylene glycol (5ml/kg body wt.) was administered to ICR female mice 6 to 8 weeks old via gavage during 5 days. The changes of body weight and liver weight of all treated groups were not significantly different compared with control group. Hepatic protein contents of trated groups compared with control group were not significantly different except BHT treated group. The induction of GST activity in liver cytosol of mice was the greatest with broccoli, followed by radish, wild green onion, turnip, and green onion. The induction of GST activity in liver cytosol increased up to 1.5 to 1.8-folds at a dose of 24 g fresh vegetable/mouse. The induction of combination between vegetables was the highest with the combination of broccoli and radish (1.83-fold), followed by that of broccoli and green onion (1.72-fold), and that of broccoli and turnip (1.50-fold).

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Management and Marketing Improvement for Folk Vegetables in Chungnam Province (충남지역(忠南地域) 민속채소(民俗菜蔬)의 경영(經營) 및 유통개선(流通改善)에 관(關)한 연구(硏究))

  • Lee, Dong-Jae;Kim, Chul-Ho
    • Korean Journal of Agricultural Science
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    • v.25 no.2
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    • pp.321-328
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    • 1998
  • This study was performed to provide reference materials for the vegetable cultivating farmhouses by investigating profit and marketing situation for the folk vegetables. The survey areas covered 10 cities and counties including Kumsan, 72 farmhouses, and 8 crops including buffterbur and wild rocambole. As a result, the cultivated area of folk vegetables was increased as much as 13.7%, however, marketing cost was higher than that of horticultural crops, because they were not accessed to wholesale market. It was that the optimal period to sell the folk vegetables was shown like Jan. - Feb. for butterbur and day lily, Nov. - Dec. for wild rocambole, and Oct. - Nov. for kind of lettuce respectively. As the result of analyzing economical efficiency, the net profit per 0.1 ha was amounted to 3,438,000 won for butterbur, 3.291,000 won for wild rocambole 1,712,000 won for day lily, and 1,464,000 won for fatsia shoots. Besides, these four crops occupied more than 60% in cultivation area, and their profit was high. Therefore, it is necessary to foster them with special crops in Chnugnam area. The crops that require more labor time were such crops as 632.9 hours for day lily, 584.3 hours for butterbur, and 409.2 hours for fatsia shoots, whereas the crops that required less labor time were such field crops as 219.2 hours for fragrant edible wild aster and 233.8 hours for kind of lettuce.

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Study on the Content of ${NO_3}^-$ in Green Vegetable Juice by Different Sorts, Harvesting Time, Mixing Rate of Vegetable, Storage Condition and Manufacturers (채소 모재료의 종류, 수확시기별, 부위별 혼합비율, 저장조건 및 생산회사에 따른 녹즙의 ${NO_3}^-$ 함량차이)

  • Sohn, Sang-Mok;Yoon, Ji-Young
    • Korean Journal of Organic Agriculture
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    • v.7 no.1
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    • pp.91-103
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    • 1998
  • After the consumption of green vegetable juice by Korean increase rapidly, the ${NO_3}^-$ intake through green vegetable juice have been ignored to consider for the calculation of daily ${NO_3}^-$ intake. It is necessary to collect the basic data on the ${NO_3}^-$ content in green vegetable juice by different sorts, harvesting time and mixing rate of vegetable, manufacturers and storage conditions for the next calculation of daily ${NO_3}^-$ intake for Korean. Followings are the research results from monitoring and laboratory experiment related with ${NO_3}^-$ and vitamine C in green vegetable juice. The ${NO_3}^-$ content of angelica plaant(tomorrow's leaf) and kale were higher in spring than those in summer and autumm. The highest value of ${NO_3}^-$ content in tomorrow's leaf and kale were 4.85 and 2.94 times higher compare to the lowest value. The average ${NO_3}^-$ content in the midribs of tomorrow's leaf and kale were 7.5 and 2.1 times higher than those in leafblades. It indicate the green vegetable juice made from leadblade of tomorrow's leaf and kale might be better compare to those from midrib in terms of ${NO_3}^-$ content. The content of ${NO_3}^-$ and vitamine C as affected by the timecourse after juice making were decreased rapidly compare to those by storage temperature in case of carrot, kale and cucumber juice. It show the positive comelation between the content of ${NO_3}^-$ and vitamine C in carrot, kale and cucumber juice regardless of room temperature(${NO_3}^-$) or cold temperature(${NO_3}^-$). The content of ${NO_3}^-$ and vitamine C of green vegetable juice by P company were the highest among the manufactuers. The lower content of ${NO_3}^-$ and vitamine C of green vegecable juice by TW company and GB company compare to P company is due to dilution with water to produce the juice. The content of ${NO_3}^-$ of green vegetable juice which were available in market showed 143ppm in carrot juice, 506ppm in tomorrow's leaf juice, 669ppm in wild water celery juice, 985ppm in kale juice, whereas the content of vitamine C were 43ppm in carrot juice, 289ppm in wild water celery juice, 353ppm in kale juice and 768ppm in tomorrow's leaf juice. It was calculated that people take 253mg by tomorrow's leaf juice, 335mg by wild water celery juice, 483mg by kale juice if they drink 500ml of green vegetable juice perday, and it suggest to excess 1.16, 1.53 and 2.21 times respectively only by green vegetable juice consumption.

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A Survey on the Usage of Wild Grasses (산채류의 이용실태에 대한 조사)

  • Cho, Eun-Ja
    • Journal of the Korean Society of Food Culture
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    • v.15 no.1
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    • pp.59-68
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    • 2000
  • This survey investigated on the degree of acknowledgment, intake frequency and using methods of wild grasses of the residents in Kyeonggi, Kangwon, Chunnam, Chungbook, Kyeongnam & Cheju area. The results were as follows: 1. An answer that impression of wild grasses is 'nature food' was the highest(42.6%). It was founded that interest of nature food has been increasing. 2. It has been shown that the most common method for elimination of astringent taste is to blanch and then wash several times with water.(62.9%) 3. The most common obtaining routes was traditional market. It has been shown that rate of gathering in the fields is higher in rural community and the group of over 60 years old than that of urban community and the other groups. 4. In rural area, people(28.7%) ate wild grasses more frequently than in urban area. Family with the old and the group of over 40 years old eat wild grass often. 5. More than 95% of answerers were familiar with the names of wild grasses, codonopsis lanceolata, chinese bellflower, braken, mugwort, wild rocambole and edible shoots of a fatsia & Korean lettuce are known to them with over 88.6%, 85.1% respectively. Frequently eaten wild grasses were braken, chinese bellflower, wild tocambole, codonopsis lanceolata, mugwort and korean lettuce orderly. But in Chunnam & Kyeongnam, they were braken, chinese bellflower, mugwort, wild rocambole and Korean lettuce orderly. 6. Wild grasses eaten with rice were total 25 species, and mugwort had the highest usage rate with 41.9%. Mugwort was used for $D'{\breve{o}}k$(rice cake)(77.8%), T'wigim $J{\breve{o}}n$(deep fat fried dish swallow fat fried dish)(50.1%) and liquor(4.6%). In the cooking of Guk(soup), Chigae(stew), Sengch'ae(raw vegetable) and kinds of wild grasses for Namul(cooked seasonal vegetable) & Bokkum(saute) are the most various with 58 species, especially braken was most commonly used for saute. Sedum & Korean lettuce were the common ingredients of Kimch and codonopsis lanceolata was used in liquer & Jangachis(pickle) with 40%, 46% each. Chinese bellflower was used with the most variable cooking method. 7. 43 species of wild grasses were stored by blanching and drying, and braken had the highest rate(32.3%) then aster scaber, flowering fern, Pimpinella brachycarpa, mugwort and ligularia orderly.

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Effects of lymphocyte DNA damage levels in Korean plant food groups and Korean diet regarding to glutathione S-transferase M1 and T1 polymorphisms (건강한 성인의 glutathione S-transferase M1과 T1 유전자 다형성에 따른 한식에서의 식물성 식품군과 한식의 DNA 손상 감소 효과)

  • Kim, Hyun-A;Lee, Min-Young;Kang, Myung-Hee
    • Journal of Nutrition and Health
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    • v.50 no.1
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    • pp.10-24
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    • 2017
  • Purpose: GST (glutathione S-transferase) M1 and T1 gene polymorphisms are known to affect antioxidant levels. This study was carried out to evaluate genetic susceptibility by measuring the effect of DNA damage reduction in the Korean diet by vegetable food according to GST gene polymorphisms using the ex vivo method with human lymphocytes. Methods: Vegetable foods in the Korean diet based the results of the KNHANES V-2 (2011) were classified into 10 food groups. A total of 84 foods, which constituted more than 1% of the total intake in each food group, were finally designated as a vegetable food in the Korean diet. The Korean diet applied in this study is the standard one-week meals for Koreans (2,000 Kcal/day) suggested by the 2010 Dietary Reference Intakes for Koreans. Ex vivo DNA damage in human lymphocytes was assessed using comet assay. Results: In the Korean food group, the DNA damage protective effect of GSTM1 and GSTT1 was found to be greater in mutant type and wild-type, respectively. and the DNA damage protective effect according to the combined genotype of GSTM1 and GSTT1 was different depending on the food group. On the other hand, in Korean Diet, the DNA damage protective effect appeared to be larger in GSTM1 wild-type than in mutant type and was found to not be affected by GSTT1 genotype. Conclusion: These results can be used as basic data to demonstrate the superiority of the antioxidant function of Korean dietary patterns and food groups. Furthermore, it may be a starting point to begin research on customized antioxidant nutrition according to individual genes.

Study of the Limitation Standards Setting of Sterilization Processing to Vagetable Juice Contain Barley Sprout (보리새싹 함유 녹즙의 살균공정 한계기준 설정에 관한 연구)

  • Bang, In-Hee;Joung, Mi-Yeun;Kwon, Sang-Chul
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.17 no.7
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    • pp.367-373
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    • 2016
  • This study was performed to set a limitation rule to the UV sterilization process for green vegetable juice containing barley sprouts. The main constituents of the green vegetable juice, viz. barley sprouts, organic Angelica keiskei, carrots, organic dandelion, kale, wild parsley, Angelica keiskei and cabbage, were provided by the CSJ company located in Jincheon, Chungbuk, from December 1st, 2015 to March 1st, 2016. Our manufacturing process followed the general manufacturing process of a general green vegetable juice manufacturer. Table 1 shows the mixing ratio for the green vegetable juice. This green vegetable juice includes 18% vegetable sprouts, 3% barley sprouts, 18% angelica utilis makino, 1% orange concentrate, 4% apple concentrate, 6% fructooligosaccharide, 10% vegetable fermentation juice, 0.4% lemon concentrate and 39.6% purified water. We conducted UV sterilization at levels 10, 8 and 5 with powers of 230W, 320W and 320W, respectively. The UV sterilization was conducted twice at 25Hz and then once at 40Hz. In the bacterial tests after sterilization, the number of bacteria in the dandelions decreased from $2.56{\times}10^8CFU/mL$ to $5.96{\times}10^3CFU/mL$. In addition, no food poisoning or coliform bacteria were detected. Thus, this study provides the information required for setting a limitation rule using bacteria tests in the UV sterilization process for green vegetable juice.

Development of an Antimicrobial Edible Coating to Improve Microbial Safety of Wild Vegetables (산채류의 미생물 안전성 증진을 위한 가식성 항균 코팅 개발 및 적용)

  • Jieun Choi;Bong Sun Kim;Yoonjee Chang;Jaewoo Bai
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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    • v.30 no.1
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    • pp.15-21
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    • 2024
  • The edible coating system, consisting of gelatin and bacteriophages, has been developed to enhance the microbial safety of wild vegetables. Newly isolated Escherichia coli phage EP and Staphylococcus aureus phage SP were loaded into the gelatin coating solutions. The phages remained significantly stable for up to 3 days, respectively, and exhibited rapid antibacterial capacity within 2 h of coating application (p < 0.05). The developed coating was applied to bracken and exhibited antibacterial efficacy against E. coli and S. aureus within 6 h (1.9-log CFU/mL and 1.5-log CFU/mL). Furthermore, the coated bracken significantly prevented weight loss and maintained firmness for 10 days (p < 0.05). Consequently, gelatin-based edible coatings containing phages have the potential as an antibacterial packaging strategy.