超声辅助提取猕猴桃籽油的研究

Q4 Agricultural and Biological Sciences

Boletim Centro de Pesquisa de Processamento de Alimentos Pub Date : 2017-10-21 DOI:10.5380/CEP.V35I1.56139

Renata Coelho, Luís Kanda, Fabiane Hamerski, Eriel Forville de Andrade, Maria Lúcia Vaz Masson, M. L. Corazza

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引用次数: 3

摘要

本研究报告了超声辅助乙醇提取猕猴桃籽油的实验动力学数据和模型。测定所得油的脂肪酸谱、生育酚和总脂含量。采用中心复合实验设计，研究了温度和超声功率对浸出率的影响。将所得的总得率与传统的正己烷索氏提取法和乙醇索氏提取法进行了比较。总得率在19% ~ 33%之间，提取率随温度的升高而升高。脂肪酸谱显示omega-3脂肪酸含量高(63.20%)，维生素E含量为14.97±0.38 mg/100 g油，其中-生育酚占总生育酚的49%。采用二级动力学模型描述不同条件下的超声提取过程。将数值结果与实验结果进行了比较，发现两者具有良好的相关性。所研究的提取工艺适用于猕猴桃籽油的提取，证明了从阿联酋提取猕猴桃籽油的巨大潜力

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ULTRASOUND-ASSISTED EXTRACTION OF OIL FROM KIWIFRUIT (Actinidia Deliciosa) SEEDS

This study reports experimental kinetic data and modeling for the extraction of oil from kiwifruit seeds by ultrasound-assisted extraction (UAE) with ethanol. The fatty acid profile, tocopherol and total lipids content in the oil obtained were determined. The variables temperature and ultrasonic power were investigated based on the oil extraction yields using a central composite experimental design. The overall yields obtained were compared to conventional Soxhlet extraction with n-hexane and with ethanol. The extractions presented high extraction rates with overall yield ranged between 19 and 33%, and the extraction yields increased with the temperature. The fatty acid profile showed a high content of omega-3 fatty acids (63.20%) and the Vitamin E content was 14.97 ± 0.38 mg/100 g oil, with ɤ-tocopherol constituting 49% of the total tocopherol. A second-order kinetic model was applied to describe the ultrasound extraction process under different conditions. The numerical results were compared with the experimental extraction yields and presented a good correlation. The extraction technique investigated was found to be suitable for extraction of oil from kiwifruit seeds, in which the great potential of kiwifruit oil obtained from UAE was demonstrated

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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期刊介绍： The CEPPA Bulletin publishes unpublished technical-scientific papers (unpublished or submitted to another journal), resulting from research and bibliographic reviews in the area of science, technology, food engineering and the like.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).