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정주리(Jeong Ju-Ri),서규석(Seo Kyu-Seok),이석규(Lee Seog-Gyu),조은자(Jo Eun-Ja),나문수(Na Mun-Su),정진화(Jeong Jin-Hoa),오세일(Oh Se-Il),손명옥(Son Myong-Ok) 韓國營養學會 2009 Journal of Nutrition and Health Vol.42 No.3
This study was carried out to examine the proportion of fatty acids and contents of trans fatty acid in commercial processed foods in Jeon-Buk area. Contents of trans fatty acid in bakery products ranged from 0.2% to 1.0% per 100 g food. Especially garlic bread and pastry contained the highest amount. Popcorns contained trans fatty acid from 0.0% to 13.4%. Among them, instant popcorns for microwave contained the highest amount, while trans fatty acid was hardly detected in popcorns for theater. And trans fatty acid detected in popcorns was mostly in the form of 18:1 trans. The content of trans fatty acid in pizza was nearly 0.2%. Amounts of saturated fatty acid and unsaturated fatty acid were similar between each type of pizza and frozen pizza. Fritters such as fried chickens and vegetables contained trans fatty acid less than 0.2% per 100 g food.
액체 이산화탄소 추출법에 의한 생강(Zingiber officinale Roscoe) 의 향기성분
홍재식,김명곤,나문수,정순택 한국농화학회 1992 Applied Biological Chemistry (Appl Biol Chem) Vol.35 No.1
The essential oil of Korean ginger(Zingiber officinale Roscoe) was isolated by liquid carbon dioxide extraction method and fractionated into one hydrocarbon fraction and two oxygenated hydrocarbon fractions by using silica gel column chromatography. The compositions of the resulting oils were investigated by GC and GC-MS spectrometry. Out of 102 identified compounds, 44 were identified by comparing GC retention time and mass spectral data with authentic samples and 58 were tentatively identified according to mass spectral data only. The major compounds of hydrocarhon fraction were zingiberene, β-sesquiphellandrene, γ-bisabolene, γ-cardinene, ar-curcumene, and those of oxygenated hydrocarbon fractions wee geranal, sesquisabinene hydrate, borneol and zingiberenol. The major compounds of ginger oil were zingiberene, citronellol+β-sesquiphellandrene, geranial, γ-bisabolene and ar-curcumene+geranyl acetate, and ginger oil contained higher amounts of sesquiterpene hydrocarbons. The yield of extract was 6.96%.