• Title/Summary/Keyword: Natural aroma oil

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The Folk Plants in Southern Region of Gangwon-do (강원도 남부지역의 민속식물)

  • Chung, Gyu-Young;Park, Myung-Soon;Nam, Bo-Mi;Jeong, Dae-Hui;Lee, Cheul-Ho;Shin, Youn-Hee;Kim, Hyun-Jun;Kang, Shin-Ho
    • Korean Journal of Plant Resources
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    • v.24 no.4
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    • pp.379-394
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    • 2011
  • This study was carried out to classify the folk plants in southern region of Gangwon-do. According to the survey results from 1,103 survey sheets of 83 residents at 32 places of 9 counties and cities from March to October, 2010, the folk plants in the southern region of Gangwon-do consisted of a total 311 taxa; 92 families, 222 genera, 274 species, 2 subspecies, 29 varieties, and 6 form. The use by its usage was: 227 taxa; Edible, 174 taxa; Medicinal, 14 taxa; Ornamental, 5 taxa; Oil, 5 taxa; Spice, 4 taxa; Dye, 1 taxa; Fiber, 1 taxa; Aroma, 1 taxa; Fuel, 32 taxa; Others, respectively, so the edible use is the highest. The most useful part was the leaf, followed by root and fruit. The consistency comparison between the scientific name and the local name were the highest in the 50's and the lowest in 80's.

Optimization for Effective Bioproduction of Natural (-)-1-Octen-3-ol by Lipoxygenase and Hydroperoxide Lyase from Agaricus bisporus (Agaricus bisporus의 Lipoxygenase와 Hydroperoxide Lyase를 이용한 천연 (-)-1-Octen-3-o1 생산 공정의 최적화)

  • Kim, Kyoung-Ju;Kim, Yong-Hwi
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.34 no.6
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    • pp.899-903
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    • 2005
  • One of the most important volatile aroma compounds responsible for mushroom flavor is 1-octen-3-ol. To meet the demand for natural mushroom flavor, a study was needed for the production of natural chiral specific (-)-1-octen-3-ol that has higher flavor intensity than synthetic chiral mixtures of (+), and (-)-1-octen-3-ol. The biosynthesis of (-)-1-octen-3-ol was achieved by an aerobic oxidation using lipoxygenase (LOX) and hydroperoxide lyase (HPOL) isolated from commercially available mushrooms in Korean market. Safflower oil from Uiseong, Gyeongsangbuk-do, that contains $\geq75\%$ of linoleic acid, was hydrolyzed using lipase. The recovered linoleic acid was biotransformed to stereo-specific 10-hydroperoxy linoleic acid by LOX. 10- hydroperoxy linoleic acid was further cleaved to (-)-1-octen-3-ol by HPOL. A commercial bioprocess for the production of (-)-1-octen-3-ol was developed using a 5-liter jar fermenter with fruiting bodies of Agaricus bisporus harvested from Buyeo, Chungcheongnam-do. The maximum production of (-)-1-octen-3-o1 was achieved at $4^{\circ}C$, pH 6.5 and 800 rpm yielding 748 mg/kg of mushroom.