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本文对云南松毛虫蛹和成虫的化学成分组成进行分析比较。蛹的蛋白质和几丁质含量分别为５８１．５ｇ／ｋｇ和７４．７ｇ／ｋｇ，明显低于成虫的６８３．０ｇ／ｋｇ和１７８．３ｇ／ｋｇ，而脂肪、总糖和灰分又远远高于成虫，存在极大的差异。蛹和成虫两种虫态都含１５种氨基酸，总量分别是３５９．８ｇ／ｋｇ和５０８．９ｇ／ｋｇ。蛹期的总糖含量是成虫期的５．２１倍，说明在蛹至羽化期间，有大量的糖原参与以上所提到的生命活动而被消耗。蛹的脂肪含量为２２５．２ｇ／ｋｇ，是成虫的３．４２倍。其中亚麻酸的变化尤为显著，从蛹的２２２．４ｇ／ｋｇ减少至成虫的８７．９ｇ／ｋｇ，表明亚麻酸在蛹的羽化过程中起着相当重要的作用。
In this paper, the chemical constituents of pupa and adult pupae of Yunnan pine were analyzed and compared. The pupal protein and chitin contents were 581.5g / kg and 74.7g / kg, respectively, which were significantly lower than those of adult adults at 683.0g / kg and 178.3g / kg, respectively, while fat, total sugar and ash content were much higher In adults, there is a big difference. Both the pupae and adult worms contained 15 amino acids, with a total of 359.8 g / kg and 508.9 g / kg, respectively. The total sugar content in pupal stage was 5.21 times that of adult stage, indicating that during pupa to emergence, a large amount of glycogen was consumed in the life activities mentioned above. Pupa fat content of 225.2g / kg, 3.42 times that of adults. Among them, the change of linolenic acid was particularly significant, from 222.4g / kg pupa to 87.9g / kg adult, indicating that linolenic acid plays a very important role in pupa eclosion.