精制Echium (Echium plantagineum)油的氧化稳定性和脂肪酸谱

Q4 Agricultural and Biological Sciences

Boletim Centro de Pesquisa de Processamento de Alimentos Pub Date : 2021-11-13 DOI:10.5380/BCEPPA.V37I2.73079

M. Pires, M. A. Trindade

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引用次数: 0

摘要

精制紫榴莲油不仅含有α -亚麻酸(ALA) ω3脂肪酸，还含有硬脂脂酸(SDA) ω3脂肪酸，是生产产品中添加植物油的新选择。然而，由于脂质氧化，这种高度不饱和脂肪酸可能导致有限的保质期。在此背景下，本研究旨在分析精制紫堇油的氧化稳定性(过氧化指数和ranimat法)和脂肪酸谱。发现的过氧化指数(0.242 meq/kg)低于巴西立法规定的值(小于10 meq/kg)，通过ranimat加速氧化(8.79小时)显示出较高的值。该油的总PUFAS值较高(65%)，约含40% ω3 (28% ALA和12% SDA)。结果表明，该精制紫堇油具有良好的抗氧化稳定性和良好的脂质分布，是一种很好的替代油。

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Oxidative stability and fatty acid profile of Refined Echium (Echium plantagineum) Oil

The refined Echium oil could be a new option of vegetable oil to be added in manufacture products, that’s contents not only alpha-linolenic (ALA) ω3 fatty acid but also the stearidonic (SDA) ω3 fatty acid. However, this highly unsaturated fatty acids profile could lead to a limited shelf life due to lipid oxidation. In this context, this research aimed to analyze the oxidative stability (peroxide index and Rancimat method) and fatty acid profile of Refined Echium oil. The value of peroxide index found (0.242 meq/kg) was lower than that established by Brazilian legislation (less than 10 meq/kg) and the accelerated oxidation through Rancimat (8.79 hours) showed high value. The oil presented high value of total PUFAS (65%) containing, approximately, 40% of ω3 (28% of ALA and 12% of SDA). The results indicated that this Refined Echium Oil have a good stability oxidative and a great lipid profile, so a good alternative oil.

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来源期刊

Boletim Centro de Pesquisa de Processamento de Alimentos Agricultural and Biological Sciences-Animal Science and Zoology

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期刊介绍： The CEPPA Bulletin publishes unpublished technical-scientific papers (unpublished or submitted to another journal), resulting from research and bibliographic reviews in the area of science, technology, food engineering and the like. Originals in English (priority) are accepted, which comply with the normative provisions of the newspaper. The opinions expressed in articles are the sole responsibility of the authors. The Bulletin reserves the right to adapt the originals to maintain the homogeneity of the publication, always respecting the author''s style. The CEPPA Bulletin is indexed in Scopus, Food Science and Technology Abstract (FSTA), CAB Abstract, Chemical Abstract (CA), Latin American and Caribbean Literature in Health Sciences (LILACS) databases and Periodical Literature in Agricultural Sciences (PERI).