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Title: Paralytic shellfish poison as an attractant for toxic snails
Authors: Pai-An Hwang;Tamao Noguchi;Deng-Fwu Hwang
Contributors: NTOU:Department of Food Science
Keywords: comparative attracting variation;minimum lethal dose;non-toxic snails;paralytic shellfish poison;PSP;toxic snails
Date: 2007
Issue Date: 2011-10-21T02:24:11Z
Publisher: Fisheries Science
Abstract: 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.
Relation: 73(1), pp.202-207
Appears in Collections:[Department of Food Science] Periodical Articles

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