National Taiwan Ocean University Institutional Repository:Item 987654321/27273
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题名: Paralytic shellfish poison as an attractant for toxic snails
作者: Pai-An Hwang;Tamao Noguchi;Deng-Fwu Hwang
贡献者: NTOU:Department of Food Science
國立臺灣海洋大學:食品科學系
关键词: comparative attracting variation;minimum lethal dose;non-toxic snails;paralytic shellfish poison;PSP;toxic snails
日期: 2007
上传时间: 2011-10-21T02:24:11Z
出版者: Fisheries Science
摘要: Abstract:The attracting effect of paralytic shell poison (PSP) on eight toxic snail species (Polinices didyma, Natica lineata, N. vitellus, Zeuxis sufflatus, Niotha clathrata, Oliva miniacea, O. mustelina, O. hirasei) and two non-toxic species (Pomacea canaliculata, Satsuma bairdi) was investigated. Eight toxic species were reported to contain tetrodotoxin, and three out of these contained minor PSP. The minimum lethal dose of PSP in most toxic gastropods was estimated to be more than 150 MU PSP/20 g body weight, but in non-toxic gastropods was less than 15 MU PSP/20 g body weight. After the attracting test, all toxic gastropods showed significant positive linear relationship (Y=3.716X+0.363, r=0.8427) between comparative attracting variation and the toxicity reported. The relationship between PSP resistance ability and the toxicity also had a positive correlation (Y=0.91X+210.090, r=0.6803). However, the non-toxic species showed a negative response. This indicates that PSP is an attractant for toxic snails.
關聯: 73(1), pp.202-207
URI: http://ntour.ntou.edu.tw/handle/987654321/27273
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