文章基本信息

标题：長良川の異臭魚に関する研究(第2報)異臭魚原因物質としての揮発性脂肪酸
本地全文：下载
作者：小瀬洋喜 ; 船坂鐐三 ; 佐藤孝彦等
期刊名称：Journal of Health Science
印刷版ISSN：1344-9702
电子版ISSN：1347-5207
出版年度：1975
卷号：21
期号：1
页码：28-34
DOI：10.1248/jhs1956.21.28
出版社：The Pharmaceutical Society of Japan
摘要：In order to clarify the substances responsible for the offensive odor in fish, volatile fatty acids, which play an important role as a biochemical oxygen demand (BOD) substance, were examined by gas chromatography. It was proved that the concentration of volatile fatty acids was high in the river water and in the bottom mud where the fish with offensive odor lived. Such acids were also found in a high concentration in the muscles and digestive organs of the fish with offensive odor, but was not detected in their liver, or in the fish in breeding ponds and in river ayu living in Nagara Bridge basin. Therefore, fish were kept in a tank with constant concentration of volatile fatty acids and the taste of fish was examined at regular intervals. At the same time, concentration of volatile fatty acids in the internal organs of the fish was analyzed. Accumulation of volatile fatty acids was recognized in internal organs except in the liver, and the offensive odor appeared on the 37 th day. At that time, a total of 73.7 ppm of total fatty acids was detected in the muscles. This value agreed with the concentration of fatty acids in the fish with offensive odor. These results suggested that volatile fatty acids were responsible as a substance giving the offensive odor to fishes.