从腰果外壳(Anacardium occidentale L.)中回收有价值化合物的环保型高压生物精炼方法

IF 5.3 2区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY
Jonas da Silva, Talyta Mayara Silva Torres, Paulo Riceli Vasconcelos Ribeiro, Edy Sousa de Brito, Sandra Regina Salvador Ferreira
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引用次数: 0

摘要

腰果业产生了大量的副产品,但这些副产品往往没有得到合理利用。腰果壳(CNTS)因其脂肪酸含量和酚类化合物含量较高而备受关注,这也提高了采用环境友好型萃取技术回收腰果壳的相关性。与传统的低压(索氏提取和浸渍)技术相比,对腰果壳进行了高压(超临界流体萃取,SFE;加压液体萃取,PLE;亚临界水萃取,SWE)萃取。以二氧化碳为溶剂的超临界流体萃取法可选择性地回收脂肪酸,如棕榈酸(12.63 mg g-1)、亚油酸(39.03 mg g-1)、硬脂酸(29.65 mg g-1)和油酸(25.61 mg g-1),以及山嵛酸(46.42 mg g-1)和芥酸(28.00 mg g-1),并通过气相色谱-质谱法进行了定量。相反,通过加压液体萃取和亚临界水萃取,乙醇提取物和水提取物中的儿茶素、表儿茶素和原花青素等多酚类物质经 UPLC-PDA-ESI-QDa 鉴定,具有很高的抗氧化潜力和生物活性。此外,还回收了蛋白质和糖的馏分。考虑到原料中的不同化合物,我们采用了连续萃取的方法对 CNTS 进行分馏,从一种被低估的原料中提取出不同的产品。这一创新提高了腰果加工链的价值,促进了腰果提取物在食品、化工和制药行业的进一步应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

An Eco-Friendly High-Pressure Biorefinery Approach for the Recovery of Valuable Compounds from Cashew Nut Testa Shell (Anacardium occidentale L.)

An Eco-Friendly High-Pressure Biorefinery Approach for the Recovery of Valuable Compounds from Cashew Nut Testa Shell (Anacardium occidentale L.)

The cashew agroindustry generates substantial by-products that are often improperly used. Cashew nut testa shell (CNTS) has attracted interest due to its elevated fatty acid contents and phenolic compounds, raising the relevance of environmentally friendly extraction techniques for its recovery. CNTS was submitted to high-pressure (supercritical fluid extraction, SFE; pressurized liquid extraction, PLE; and subcritical water extraction, SWE) methods compared to traditional low-pressure (Soxhlet and maceration) techniques. Supercritical fluid extraction with CO2 as solvent was selective to recover fatty acids, such as palmitate (12.63 mg g−1), linoleic (39.03 mg g−1), stearic (29.65 mg g−1), and oleic (25.61 mg g−1) acids, as well as behenic (46.42 mg g−1) and erucic (28.00 mg g−1), quantified by GC–MS. In contrast, the ethanolic and aqueous extracts, by pressurized liquid and subcritical water extraction, presented polyphenols like catechin, epicatechin, and procyanidin identified by UPLC-PDA-ESI-QDa, known for their high antioxidant potential and biological activities. In addition, fractions of proteins and sugars were also recovered. Considering the different compounds in the raw material, sequential extraction routes were conducted to fractionate the CNTS and provide different products from an underestimated raw material. This novelty increases the value of the cashew processing chain, enhancing further applications of the extracts in the food, chemical, and pharmaceutical industries.

Graphical Abstract

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来源期刊
Food and Bioprocess Technology
Food and Bioprocess Technology 农林科学-食品科技
CiteScore
9.50
自引率
19.60%
发文量
200
审稿时长
2.8 months
期刊介绍: Food and Bioprocess Technology provides an effective and timely platform for cutting-edge high quality original papers in the engineering and science of all types of food processing technologies, from the original food supply source to the consumer’s dinner table. It aims to be a leading international journal for the multidisciplinary agri-food research community. The journal focuses especially on experimental or theoretical research findings that have the potential for helping the agri-food industry to improve process efficiency, enhance product quality and, extend shelf-life of fresh and processed agri-food products. The editors present critical reviews on new perspectives to established processes, innovative and emerging technologies, and trends and future research in food and bioproducts processing. The journal also publishes short communications for rapidly disseminating preliminary results, letters to the Editor on recent developments and controversy, and book reviews.
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