Putnik Predrag, Bursać Kovačević Danijela, Režek Jambrak Anet, Barba Francisco J, Cravotto Giancarlo, Binello Arianna, Lorenzo Jose Manuel, Shpigelman Avi
Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia.
Nutrition and Food Science Area, Preventive Medicine and Public Health, Food Science, Toxicology and Forensic Medicine Department, Faculty of Pharmacy, Universitat de València, Avda. Vicent Andrés Estellés, s/n, 46100 Burjassot, Spain.
Molecules. 2017 Apr 27;22(5):680. doi: 10.3390/molecules22050680.
Citrus is a major processed crop that results in large quantities of wastes and by-products rich in various bioactive compounds such as pectins, water soluble and insoluble antioxidants and essential oils. While some of those wastes are currently valorised by various technologies (yet most are discarded or used for feed), effective, non-toxic and profitable extraction strategies could further significantly promote the valorisation and provide both increased profits and high quality bioactives. The present review will describe and summarize the latest works concerning novel and greener methods for valorisation of citrus by-products. The outcomes and effectiveness of those technologies such as microwaves, ultrasound, pulsed electric fields and high pressure is compared both to conventional valorisation technologies and between the novel technologies themselves in order to highlight the advantages and potential scalability of these so-called "enabling technologies". In many cases the reported novel technologies can enable a valorisation extraction process that is "greener" compared to the conventional technique due to a lower energy consumption and reduced utilization of toxic solvents.
柑橘是一种主要的加工作物，会产生大量富含各种生物活性化合物的废弃物和副产品，如果胶、水溶性和脂溶性抗氧化剂以及香精油。虽然目前一些废弃物通过各种技术实现了价值提升（但大多数被丢弃或用作饲料），但有效、无毒且有利可图的提取策略可以进一步显著促进价值提升，并带来更高的利润和高质量的生物活性物质。本综述将描述并总结有关柑橘副产品新型环保价值提升方法的最新研究成果。将这些技术（如微波、超声、脉冲电场和高压）的成果及有效性与传统价值提升技术以及这些新技术自身进行比较，以突出这些所谓“使能技术”的优势和潜在可扩展性。在许多情况下，与传统技术相比，所报道的新技术能实现更“绿色”的价值提升提取过程，因为其能耗更低且有毒溶剂的使用量减少。
