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Publikováno v:
Journal of the Food Hygienic Society of Japan (Shokuhin Eiseigaku Zasshi). 48:144-147
Simple and reliable methods using LC/MS have been developed for the determination of the beta-agonist ractopamine in swine and cattle tissues. Ractopamine was extracted with ethyl acetate from muscle and liver, and the ethyl acetate layer was evapora