Refining of Roundup Ready (R) soya bean oil: Effect on the fatty acid, phytosterol and tocopherol profiles

• Tipo: Artigo em Revista Científica Internacional
• Data: 2011

Autores

Joana Costa (Autor) Outra; Joana S Amaral (Autor) Outra; Isabel Mafra (Autor) FFUP; Beatriz B P P Oliveira (Autor) FFUP

Revista

Título: European Journal of Lipid Science and Technology

Vol. 113

Páginas: 528-535

ISSN: 1438-7697

Editora: Wiley-Blackwell

Indexação

ISI Web of Knowledge - 2 Citações

Scopus - 3 Citações

Classificação Científica

FOS: Ciências agrárias > Outras ciências agrárias

Outras Informações

ID Authenticus: P-002-SQ9

DOI: 10.1002/ejlt.201000385

Abstract (EN): In this study, genetically modified (GM) soya bean seeds with the event known as Roundup Ready (R) were used for the production of soya bean oil and their fatty acid, phytosterol and tocopherol composition was characterised. Since these compounds can be partially lost during refining, this study also aimed at evaluating the compositional changes along the GM soya bean oil extraction and refining processes carried out industrially. During the refining process of crude soya bean oil, neutralisation was responsible for the major losses on phytosterols (15%). The greatest reduction of tocopherols was also caused by the neutralisation step (20%), while the deodorisation step caused minor losses (9%). Along the refining process, the decreases of total phytosterols and total tocopherols were 20 and 30%, respectively, which are lower than the losses reported in other studies, reflecting the industrial improvements in preserving beneficial health compounds in the refined oil. The results showed that the refined GM soya bean oil presented higher contents of phytosterols (313 mg/100 g) and tocopherols (931 mg/kg) comparing to other reports.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 8