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KMID : 0380619860180060485
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Korean Journal of Food Science and Technology
1986 Volume.18 No. 6 p.485 ~ p.491
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Studies on the Changes of Lipid Constituents during Gulbi Processing
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Abstract
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Gulbi were made by salting fresh Yellow corvenia (Pseudosciaena manchurica) in three ways; the dry salting method with bay-salt, the dry salting method with purified salt or the abdominal brine injection method with purified salt. Half of the sample was dried by controlling temperature and relative humidity and the other part was dried under the natural condition. The moisture content of the samples were decreased more rapidly by the controlled system than by the natural condition. The lipid content and the iodine values of the muscle and skin of the Gulbi were decreased slowly with laps of drying period. The peroxide values of the sample were increased to its peak after 10 days of drying, and were decreased rapidly thereafter. Both acid values and the thiobarbituric acid values were increased. The deterioration of lipids during Gulbi processing was not notable depending on the salting method, but the natural drying condition affected more severely in their deterioration.
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