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Sandra Afonso, Juliana Nogueira, Carlos Cavaleiro, Fernanda M. L. Ferreira and Matilde Moreira-Santos
Essential oils (EOs) from Thymus mastichina (EO-thyme) and Helichrysum italicum (EO-curry) have wide commercial applications, but little is known about their ecotoxicity to aquatic life. We evaluated the lethal toxicity of both EOs toward standard freshw...
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Sandra L. Ibáñez-Calero,Kelly E. Loayza Afonso
Three plants collected at the Zongo Valley were evaluated for textile dyeing applications. The species selected were extracted following acidic and basic procedures to obtain colored samples, that were submitted to direct and indirect (with mordents) dye...
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Sandra L. Ibáñez-Calero,Kelly E. Loayza Afonso
Eleven plants were collected at the Zongo Valley to evaluate their antioxidant and photo-protector properties. In this paper we report a strong correlation between high antioxidant activity and strong UV-A and/or UV-B absorptions. The most active species...
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Sandra L. Ibáñez-Calero,Kelly E. Loayza Afonso,Ebbe L. Yapu Tapia,Jessica Lizarazu,,Rodrigo Zeballos Espinoza,Teddy Solares Gironda
Eleven plants were collected in the Zongo Valley following an organoleptic and chimio-taxonomic criteria of collection to find species with colorant and photo-protector properties. Brachyotum microdon, Monnina bridgesii and Souroubea fragilis present pro...
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Sandra Regina Afonso,Humberto Ângelo
Pág. 315 - 326
Este trabalho traz uma análise da produção de não-madeireiros do cerrado brasileiro por meio do estudo dos principais produtos do bioma. Foram analisados o comportamento e as taxas de crescimento da produção e preços de: amêndoa de babaçu, óleo de copaíb...
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