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Estudo exploratório da estimativa indireta de licopeno via análise colorimét...
Lucas, H.; Torgal, Isabel; Faro, Conceição; Santana, Antonieta; Pinto, Maria Paula; Laranjeira, Cristina; Lopes, Fátima; Quedas, FátimaThe collection of tomato (Lycopersicon esculentum Mill) Portuguese Bank of Plant Germplasm of INRB, brings together dozens of hits in characterization. This paper presents results of color versus lycopene content of tomato accessions of some Portuguese Plant Germplasm Bank (2011-2012), in order to indirectly estimate the levels of lycopene in tomato fresh/chilled accesses via colorimetric analysis. The study to...
Neuromuscular blocking action of the Theraphosa blondii spider venom
Fontana,M. D.; Lucas,H. S. M.; Vital Brazil,O.In 1919, Houssay and Negrete reported that venoms of Theraphosidae spiders induced neuromuscular blockade. In 1993, a purified toxin from Grammostola spider venom was found to block the P-type voltage-dependent calcium channel (VDCC), causing neuromuscular blockade. We studied the mode of action of Theraphosa blondii venom, a large Theraphosidae spider from Northern Brazil, Venezuela, and The Guyanas in mouse p...
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