Author | Tostes, João Batista de Freitas | |
Author | Nakamura, Marcos Jun | |
Author | Saboya, Caroliny Gomes Franca de | |
Author | Mazzei, José Luiz | |
Author | Siani, Antônio Carlos | |
Access date | 2020-03-17T13:44:13Z | |
Available date | 2020-03-17T13:44:13Z | |
Document date | 2016 | |
Citation | TOSTES, João Batista de Freitas et al. Efficient and selective method to separate triterpene acids by direct treatment of apple peels with alkaline ethanol. Separation Science and Technology, p. 1-26, 2016. | pt_BR |
ISSN | 0149-6395 | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/40349 | |
Language | eng | pt_BR |
Rights | open access | pt_BR |
Title | Efficient and selective method to separate triterpene acids by direct treatment of apple peels with alkaline ethanol | pt_BR |
Type | Preprint | pt_BR |
DOI | 10.1080/01496395.2016.1200088 | pt_BR |
Abstract | Triterpene acid extraction from dried apple peels of Fuji and Gala varieties in 2%NaOH/ethanol at room temperature, followed by filtration and acidification (pH 3), was investigated, comparing to a classical exhaustive extraction (Soxhlet, 2h, with ethanol and methanol, >97% recovery). Alkali-ethanol process yielded 4.35-6.86% (w/w) of whitish extracts, up to 15-times less than Soxhlet but with same recovery (P > 0.05) of ursolic and oleanolic acids. Alkaline extraction of previously defatted peels led to same recovery (P >0.05), but the yield increased slightly (P < 0.01). The cost-effective and environmentalfriendly procedure prepares triterpene-rich extracts from apple peels at high recovery, directly eliminating the cutin and avoiding prior treatments with hazardous organic solvents. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto de Tecnologia em Fármacos. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto de Tecnologia em Fármacos. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto de Tecnologia em Fármacos. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto de Tecnologia em Fármacos. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto de Tecnologia em Fármacos. Rio de Janeiro, RJ, Brasil. | pt_BR |
Subject | Apple Peel | pt_BR |
Subject | Triterpenes | pt_BR |
Subject | Ursolic Acid | pt_BR |
Subject | Cutin Depolymerization | pt_BR |
Subject | Extraction | pt_BR |