Abstract
Abstract Extracts of hairpencils ffom male cotton bollworm moth were analyzed by capillary gas chromatography, acid methanolysis, and GCâMS. Ten components have been identified as: 14; OH,14: Ac,14: COOH, 211â16: OH,16: OH,16: Ac,16: COOH,18: OH,18: Ac, and18: COOH. Based on the statistics of titer of each chemical, the total amount of three saturated alcohols is over 75%. The amounts of the chemicals in the hairpencils are related to the age of males. There are no chemicals identified in the extracts from males less than 10 h after eclosion, then the quantity of compounds increased rapidly during 48 h after adult eclosion. After 5 days, the quantity decreased.
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