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KMID : 0380619900220010050
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Korean Journal of Food Science and Technology
1990 Volume.22 No. 1 p.50 ~ p.55
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On the Development of Flesh Greening of the Stored Garlic
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Abstract
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Differences in the major components between non-greening and greening garlic bulbs were compared, and the several factors to be affected on the greening were investigated to study on the greening phenomenon occured in garlic puree made from stored garlic bulbs. From the several chemical analyses it was found that the contents of total nitrogen and lipid were lower in the greening than in the non-greening bulb but the contents of pyruvic and succinic acid were not. The content ratio of glutamic acid to total amino acid and the composition ratios of linoleic and linolenic acid were high in the greening bulb in comparsion with the non-greening. The protein pattern of the greening bulb by SDS-PAGE was significantly differed from that of the non-greening, especially in molecular weight ranges of 45.0-66.2 Kd. From the studies on the effects of pH, temperature and duration on the development of green color in the garlic powder solution, the optimum pH for the greening was 5.5 and maximum degree of the greening in the pH adjusted solution was shown after 30 min at 50℃.
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