魚筋肉のアクトミオシンに存在するレシチン〔英文〕 (Studies on the properties of fish actomyosin-2,3-)

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1. The lecithin content in different purification stages of actomyosin from yellowtail was determined successively. From the result, it was assumed that the purified actomyosin contains a constant amount of lecithin (Table 1). 2. The amount of lecithin extracted from the actomyosin treated with organic solvents suggests that the lecithin is possibly bound loosly with protein (Table 2). 3. The lipids of actomyosin preparations from several different species of fish were identified. From the results, it appears that the major part of the lipids contained in a fish actomyosin is lecithin (Fig. 1). 4. There was a significant difference in the lecithin contents among the actomyosin preparation from several species of fish (Table 3). 5. The content of myosin dissociable from the actomyosin in the presence of ATP was determined. The comparison of the myosin contents in the actomyosin preparations from several fish showed that the actomyosin having a high level of lecithin had a high value in the content ratio of myosin (Table 4).
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