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Type: Artigo de periódico
Title: Induction of pilocarpine formation in jaborandi leaves by salicylic acid and methyljasmonate
Author: Avancini, G
Abreu, IN
Saldana, MDA
Mohamed, RS
Mazzafera, P
Abstract: Jaborandi seedlings were subjected to different treatments in order to study the induction of pilocarpine in the leaves. In addition four extraction methods were assessed to extract the alkaloid from dried leaves. The highest yielding extraction and recovery was observed when dried leaves were first treated with base and then extracted with chloroform. Salt stress (NaCl), wounding, hypoxia, and N and K omission of the nutrient soln caused reductions in pilocarpine contents. Whereas complete nutrient soln and P omission maintained normal levels of the alkaloid. Salicylic acid and methyljasmonate induced a 4-fold increase of pilocarpine, but this increase was dependent on the concentration and time after exposure. (C) 2003 Elsevier Science Ltd. All rights reserved.
Subject: Pilocarpus jaborandi
methyl jasmonate
mineral nutrition
salicylic acid
salt stress
Country: Inglaterra
Editor: Pergamon-elsevier Science Ltd
Rights: fechado
Identifier DOI: 10.1016/S0031-9422(03)00102-X
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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