Changes in lipid class and fatty acid compositions in the ovaries and hepatopancreas of the mud crab Scylla serrata during the vitellogensis of the second ovarian maturation

CHENG Yong-xu; LI Shao-jing; WANG Gui-zhong; CHEN Xue-lei; LIN Qing-wu; XU Jin

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Article Navigation > Haiyang Xuebao > 2001 > 23(3): 66-77

CHENG Yong-xu, LI Shao-jing, WANG Gui-zhong, CHEN Xue-lei, LIN Qing-wu, XU Jin. Changes in lipid class and fatty acid compositions in the ovaries and hepatopancreas of the mud crab Scylla serrata during the vitellogensis of the second ovarian maturation[J]. Haiyang Xuebao, 2001, 23(3): 66-77.

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Changes in lipid class and fatty acid compositions in the ovaries and hepatopancreas of the mud crab Scylla serrata during the vitellogensis of the second ovarian maturation

1.
Fisheries College, Shanghai Fisheries University, Shanghai 200090, China
2.
Department of Oceanography, Xiamen University, Xiamen 361005, China

Received Date: 1998-12-20
Rev Recd Date: 2000-10-30

Abstract

Abstract

From the first vitello gensis to the second vitellogensis,total lipid contents(mg/g body wet weight)and lipid concentration(% wet or dry ovarian weight)of the ovary,are significantly increased(P<0.05),and the neutral lipids(NL)and polar lipids(PL)occupy all increased total lipids,and may mainly be from the diet source,because total lipid contents and lipid concentration of the hepatopancreas are no sig nificant changes.NL[mainly triacylglycerils(TG),cholesterol and small amount of free fatty acids(FFA)]in ovaries is about 60% of total lipids, and PL(mainly phosphatidylcholine PC and phosphtidylethanolamine PE)is about 40%. During vitello gensis stages,polar lipid(mainly also PC and PE)concentration(% total lipids)in hepatopancreas is more than 30%,and NL(mainly TG,FFA and small amout of cholsterol)is less than 70%,never theless, it is notew orthy that FFA content increased during the vitellogensis,and its content is even more than that of TG in late vitellogensis.
- Scylla serrata,
- vitellogensis,
- ovary,
- hepatopancreas,
- lipid

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References(21)

References

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