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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/39060

Title: Toxicity of Taiwanese gobies
Authors: Shin-Jung Lin
Deng-Fwu Hwang
Kwang-Tsao Shao
Sen-Shyong Jeng
Contributors: 國立臺灣海洋大學:食品科學系
Date: 2000-06
Issue Date: 2016-11-23T03:05:39Z
Publisher: Fisheries Science
Abstract: Abstract: Recently, three paralytic food poisoning incidents due to ingestion of the goby Yongeichthys nebulosus occurred in Taiwan. Therefore, intensive investigation of toxic goby was performed from August 1996 to July 1998. More than 300 specimens of 12 species of gobies were collected from 15 locations and examined for toxicity. The specimens of three species of gobies, Y. nebulosus, Prachaeturichtys palynema, and Radigobius caninus, collected from Pingtung, Penghu, Kaohsiung, Miaoli, and Hsinchu were found to be toxic. The most toxic goby was Y. nebulosus, 93% of which were toxic. Specimens collected from Pingtung Prefecture were most toxic, the toxicity was more than 1000 MU/specimen. A seasonal variation of toxicity in Y. nebulosus was found, and the highest toxicity was observed for specimens collected in winter with a value of 4998 MU/specimen. The toxin was partially purified from the methanolic extract of each toxic species by Diaflo YM-1 membrane ultrafiltration and Bio-Gel P-2 column chromatography. High-performance liquid chromatography and electrophoresis analyses indicated that each toxic species contained tetrodotoxin (TTX) and anhydrotetrodotoxin. Among three toxic gobies, P. palynema and R. caninus are first reported to contain TTX.
Relation: 66(3)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/39060
Appears in Collections:[食品科學系] 期刊論文

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