Microwave-accelerated pretreatment technique in green extraction of oil and bioactive compounds from camelina seeds: Effectiveness and characterization

IF 3.8 4区工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY

Green Processing and Synthesis Pub Date : 2023-01-01 DOI:10.1515/gps-2023-0101

Pardis Mortazavi, Sodeif Azadmard-Damirchi, Zahra Piravi-Vanak, Omid Ahmadi, Navideh Anarjan, Fleming Martinez, Hoda Jafarizadeh-Malmiri

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Abstract

Abstract The effect of microwave pretreatment and moisture levels of Camelina sativa seeds on the quality of extracted oil by cold press was investigated. The seed moistures were adjusted to 2.5%, 5.0%, 7.5%, and 10.0% and pretreated with microwaves for 0, 1, 2, and 3 min. Microwave pretreatment (3 min) of the seeds with 2.5% moisture increased the oil extraction yield by ∼11% compared to the control sample. The highest amount of acidity (0.564 g FFA·g −1 oil), peroxide value (2.4 meq O 2 ·kg −1 oil), carotenoid (5.26 mg·kg −1 oil), and browning index (0.710) were found in the oil extracted from seeds with 10% moisture and 3 min microwave pretreatment. The total phenolic compound was increased by microwave pretreatment but was mitigated by the seed moisture content, and the highest amount (208.24 mg caffeic acid·100 g −1 oil) was observed at 3 min microwave pretreatment of the seeds with 2.5% moisture. Chlorophyll content decreased by both microwave pretreatment and seed moisture content in camelina oil. Generally, the fatty acid composition of the extracted oils was not affected by the seed pretreatments. In conclusion, pretreatment of the camelina seeds before oil extraction is suggested to obtain a high oil extraction yield with a good quality oil.

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微波加速预处理技术在绿色提取亚麻荠籽油和生物活性物质中的应用:有效性和表征

摘要研究了微波预处理和水分水平对冷榨油品质的影响。将种子水分调整为2.5%、5.0%、7.5%和10.0%，微波预处理0、1、2和3分钟。与对照样品相比，2.5%水分的种子微波预处理(3分钟)使出油率提高了约11%。水分为10%，微波预处理3 min的种子油酸度最高(0.564 g FFA·g−1油)，过氧化值最高(2.4 meq O 2·kg−1油)，类胡萝卜素最高(5.26 mg·kg−1油)，褐变指数最高(0.710)。微波预处理使总酚含量增加，但受种子含水量的影响，在2.5%水分条件下微波预处理3 min时，总酚含量最高，为208.24 mg咖啡酸·100 g−1油。微波预处理降低了亚麻荠籽油叶绿素含量和籽粒水分含量。总的来说，种子预处理对提取油的脂肪酸组成没有影响。综上所述，建议在提取油分前进行预处理，以获得高提取率和优质油分。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Green Processing and Synthesis CHEMISTRY, MULTIDISCIPLINARY-ENGINEERING, CHEMICAL

CiteScore

6.70

自引率

9.30%

发文量

审稿时长

7 weeks

期刊介绍： Green Processing and Synthesis is a bimonthly, peer-reviewed journal that provides up-to-date research both on fundamental as well as applied aspects of innovative green process development and chemical synthesis, giving an appropriate share to industrial views. The contributions are cutting edge, high-impact, authoritative, and provide both pros and cons of potential technologies. Green Processing and Synthesis provides a platform for scientists and engineers, especially chemists and chemical engineers, but is also open for interdisciplinary research from other areas such as physics, materials science, or catalysis.