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Titolo:
Monthly variations in diarrhetic toxins and yessotoxin in shellfish from coast to the inner part of the Sognefjord, Norway
Autore:
Ramstad, H; Hovgaard, P; Yasumoto, T; Larsen, S; Aune, T;
Indirizzi:
Norwegian Sch Vet Sci, Dept Pharmacol Microbiol & Food Hyg, N-0033 Oslo, Norway Norwegian Sch Vet Sci Oslo Norway N-0033 & Food Hyg, N-0033 Oslo, Norway Sogn & Fjordane Coll, Sogndal, Norway Sogn & Fjordane Coll Sogndal Norway gn & Fjordane Coll, Sogndal, Norway Tama Lab, Japan Food Res Labs, Tama, Tokyo 2060025, Japan Tama Lab Tama Tokyo Japan 2060025 od Res Labs, Tama, Tokyo 2060025, Japan Norwegian Sch Vet Sci, Dept Large Anim Clin Sci, Oslo, Norway Norwegian Sch Vet Sci Oslo Norway ept Large Anim Clin Sci, Oslo, Norway
Titolo Testata:
TOXICON
fascicolo: 7, volume: 39, anno: 2001,
pagine: 1035 - 1043
SICI:
0041-0101(200107)39:7<1035:MVIDTA>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
LIQUID-CHROMATOGRAPHY; ADRIATIC SEA; OKADAIC ACID; MUSSELS; MICE; EXTRACTS;
Keywords:
DSP; fluorometric HPLC; mouse bioassay; PP2A; fast acting toxin(s); YTX;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Ramstad, H Norwegian Sch Vet Sci, Dept Pharmacol Microbiol & Food Hyg, POB8146 Dept,N-0033 Oslo, Norway Norwegian Sch Vet Sci POB 8146 Dept Oslo Norway N-0033 Norway
Citazione:
H. Ramstad et al., "Monthly variations in diarrhetic toxins and yessotoxin in shellfish from coast to the inner part of the Sognefjord, Norway", TOXICON, 39(7), 2001, pp. 1035-1043

Abstract

Monthly concentrations of diarrhetic shellfish poisoning (DSP) toxins and yessotoxin (YTX) in mussels from the coast to the inner part of the Sognefjord were determined. Mussels from nine locations were sampled from March toNovember 1997. The DSP toxins and YTX were analysed by a colorimetric protein phosphatase 2A (PP2A) inhibition assay or fluorometric HPLC, respectively. The mouse bioassay for DSP toxins was performed including either chloroform or diethyl ether in the final step of extraction. Using ether in the final step normally facilitated extraction of the DSP toxins, okadaic acid (OA) and dinophysis toxin-1 (DTX-1), while chloroform extraction included a wider spectrum of toxins, including YTX and a fast acting toxin(s) with neurotoxic effects. The concentrations of DSP toxins and YTX in mussels increased with distance from the coast. The highest concentrations of YTX (574 mug YTX/100 g mussel meat) and diarrhetic toxins (349 mug OA equivalents/100 g mussel meat) were measured in May and August, respectively, at locations in the inner part of the fjord. Since concentrations of DSP toxins and YTX in mussels increased with distance from the coast, the locations for musselfarming in the Sognefjord close to the coast, seem to be preferable. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/04/20 alle ore 11:27:15