Abstract
The total lipids (TL), neutral lipid (NL) and phospholipids (PL) with their constituents were studied in midgut of white grub adults of Leucopholis lepidophora by employing thin layer chromatography (TLC) and bioassay technique. The midgut of male adults exhibits three fold more neutral lipids than the female adults midgut. The percentage of neutral lipids were 90.54 and 88.27, whereas NL:PL ratio were 10:1 and 7:1 respectively. Neutral lipids consisted of triacylglycerol (TG) as the major component, monoacylglycerol (MG) and diacylglycerol (DG) in moderate concentration, whereas cholesterol (CHO), cholesterol ester (CE) and free fatty acids (FFA) in low concentration. Phosphatidyl-choline (PC) and phosphatidyl-ethanolamine (PE) were major phospholipid constituents. Phosphatidyl-inositol (PI), lysophosphatidyl- choline (LPC), sphingomyelin (SPG) phosphatidyl-serine (PS), and phosphatidiec acid (PA) in low amound. The physiological significance with their constituents were discussed in relation with midgut.
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