Study of supercritical extraction from Brazilian cherry seeds (Eugenia uniflora L.) with bioactive compounds

Author(s)

Nascimento e Santos, Debora ^[1] ; de Souza, Larissa Lima ^[1] ; Ferreira, Nilson Jose ^[1] ; de Oliveira, Alessandra Lopes ^[1]

Affiliation

^[1] Univ Sao Paulo, Fac Anim Sci, Dept Food Engn, BR-13635900 Pirassununga, SP - Brazil

• Document type: Journal article
• Source: FOOD AND BIOPRODUCTS PROCESSING; v. 94, p. 365-374, APR 2015.
• Web of Science Citations: 6

Abstract

In this study, we obtained extracts from Brazilian cherry (or Pitanga) seeds using supercritical CO2 (SC-CO2) and analyzed the volatiles profile. Seeds were placed in contact with the SC-CO2 under different conditions of pressure (P) and temperature (T). The yield, the refractive index, the presence of terpenes by thin layer chromatography (TLC) and the volatiles profile by gas chromatography with mass spectrometry (GC-MS) were determined for all the extracts. With respect to the extract yield (0.16-0.48 g/100 g), surface response analysis revealed that the greatest yield was obtained at high P and T did not affect the process, which indicated that low temperatures can be used to protect the thermosensitive substances. The presence of terpenes with antioxidant activity was detected via TLC analysis, and the GC-MS results indicated -y-elemene and germacrone as the major components and the concentration of the sesquiterpenes in the extract was influenced by the interaction between P and T. (C) 2014 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved. (AU)

• FAPESP's process: 08/00148-0 - Collection and analysis of extracts from seeds of pitanga (Eugenia uniflora L.) obtained by use of supercritical carbon dioxide
• Grantee: Alessandra Lopes de Oliveira
• Support Opportunities: Regular Research Grants