Analysis of lipid and lipid-fractions of some freshwater fishes and their inter-relationship
Two fish species each from carnivorous (Clarias batrachus, Channa punctatus), omnivorous (Cyprinus carpio, Cirrhinus reba), and plankton feeder (Catla catla, Labeo rohita) were collected from freshwater sources under natural habitat to study their total lipid (TL) and lipid-fractions. Significant relationship between these parameters was also worked out. The variation of total lipid and lipid-fractions in tissues of freshwater fishes were notsignificantly different (P>0.05). But a higher trend of total lipid and glyceride (TGL) contents were found in carnivores followed by omnivores and least in plankton feeders. The trend was reverse for total phospholipid, cholesterol and free fatty acids. TGL content in all class of fishes was significantly related with TL (P<0.01), phospholipid (PL) (P<0.001), cholesterol (P<0.05), free fatty acids (P<0.05) and monoglycerides (P<0.001). Similarly total lipid was linearly related with total glycerides (TL=-3.02 + 0.10 TGL) and phospholipid (TL=7.13-0.12 PL). From this study it is concluded that almost all lipid-fractions of freshwater fishes can be predicted easily from total lipid content of the tissue.
Main Authors: | Nanda, P.K., Sahu, N.P. |
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Format: | article biblioteca |
Language: | English |
Published: |
2005
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Subjects: | Biology, freshwater fishes, lipids, phospholipids, cholesterol, tryglicerides, free fatty acids, Clarias batrachus, Channa punctatus, Cyprinus carpio, Cirrhinus reba, Catla catla, Labeo rohita, |
Online Access: | http://hdl.handle.net/1834/33129 |
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