Cioffi Elena, Comune Lara, Piccolella Simona, Buono Mario, Pacifico Severina
Department of Engineering, University of Campania "L. Vanvitelli", I-81031 Aversa, Italy.
Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "L. Vanvitelli", I-81100 Caserta, Italy.
Foods. 2023 Jul 9;12(14):2646. doi: 10.3390/foods12142646.
In recent years, as part of sustainable development policies, the revaluation of end-of-life products has become more and more widespread. In terms of sustainability, in a scenario of circular economy food sustainability aims, inter alia, at making an effective re-use of natural resources as a starting point for the obtainment of high added-value products. With the aim of promoting the valorization of the wine sector wastes, the present study took into account the leaves of L. cv. Aglianico from the Campania Region (Italy). The use of deep eutectic solvents as a greener alternative to the most common organic solvents, joint to ultrasound-assisted maceration, and LC-MS tools, allowed us to define for the first time a six-month quantitative variation of flavonol derivatives, and in particular of quercetin 3--glucuronide, based on the collection time and the leaf height on the grapevine. Results underlined that the influence of abiotic factors, such as exposure to sunlight, which is pivotal in the biosynthesis of such compounds, should be strictly considered for their full recovery.
近年来，作为可持续发展政策的一部分，对报废产品进行重新评估变得越来越普遍。在可持续性方面，在循环经济的背景下，食品可持续性尤其旨在有效再利用自然资源，以此作为获取高附加值产品的起点。为了促进葡萄酒行业废弃物的增值利用，本研究考虑了来自意大利坎帕尼亚地区的阿格里亚尼科（L. cv. Aglianico）葡萄叶。使用深共熔溶剂作为最常见有机溶剂的更环保替代品，并结合超声辅助浸渍和液相色谱 - 质谱工具，使我们首次能够根据采集时间和葡萄藤上叶片的高度，确定黄酮醇衍生物，特别是槲皮素3 - 葡糖醛酸的六个月定量变化。结果强调，对于这些化合物的完全回收，应严格考虑非生物因素的影响，例如阳光照射，这在这些化合物的生物合成中起着关键作用。
