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KMID : 0380619740060040219
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Korean Journal of Food Science and Technology
1974 Volume.6 No. 4 p.219 ~ p.230
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Production of Single - Cell Protein on Petroleum Hydrocarbon
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권태완/Kwon, Tai Wan
변유량/민태익/Pyun, Yoo Ryang/Mheen, Tae Ick
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Abstract
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For the production of single cell protein from n-paraffin, yeasts utilizing n-paraffin and ethanol were isolated from oil deposit and oil field soils. The mixed cultivation between yeasts assimilating n-paraffin and ethanol was carried out to increase cell yield. Finally,
selected strains were identified and suitable medium composition for mixed culture was compared with that of single cultures using flask and 5 ℓ-jar fermentor.
Yeasts grow on n-paraftin and ethanol were identified as Candida troticalis var. KIST 76 and Trichosporon cutaneum KIST 76H respectively.
By mixed cultivation under the suitable medium composition using 5 ℓ-jar fermentor, maximum dry cell weight reached 20 g/ℓ after 12 hrs. cultivation and it´s protein content was 58%. Yield has been increased about 25% and protein content has been increased 6.7% compared to that of single culture. Candida tropicalis var. KIST 76, after 16 hrs. cultivation.
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