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KMID : 0380620110430030282
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Korean Journal of Food Science and Technology
2011 Volume.43 No. 3 p.282 ~ p.290
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Seasonal Variations in the Nutritional Compositions and Heavy Metals in Two Demersal Fish, Liparis tessellatus (Cubed Snailfish) and Hemitripterus villosus (Shaggy Sea Raven)
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Lee Byung-Yong
Surh Jeong-Hee
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Abstract
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Two species of demersal fish, Liparis tessellates (cubed snailfish) and Hemitripterus villosus (shaggy sea raven), were investigated in relation to seasonal chemical composition. Total fat contents of the two fish were very low and were not appreciably different throughout the year, whereas their fatty acid compositions were significantly different depending on season. Noticeable changes in the moisture and protein contents in the two fishes were observed before and after spawning. Cubed snailfish showed relatively high amounts of total amino acids and free amino acids during summer months, whereas the levels of those in shaggy sea raven remained relatively unchanged throughout the year. Regardless of season, the major fatty acid of the two fishes was palmitic acid and most of polyunsaturated fatty acids (PUFAs) were n-3 PUFAs. Lead was over the legislative limit in some samples of the two fishes.
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KEYWORD
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cubed snailfish, shaggy sea raven, seasonal variation, chemical composition, heavy metal
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