Abstract
Trans-resveratrol Extraction in Four Brazilian Arachis hypogea L. Cultivars with Microwave-Assisted Extraction: Optimization with Response Surface Methodology and Comparison with Conventional Maceration
Highlights
Groundnut (Arachis hypogaea L., Leguminosae) is the fourth most planted and consumed oilseed worldwide, and a great option for crop rotation [1]
The most widely investigated secondary metabolite in peanut extracts is trans-resveratrol (3,4’,5-trihydroxystilbene), a polyphenolic compound initially classified as a stilbene phytoalexin [6], since it was recognized as an active compound against plant pathogens
Previous studies focusing on the quantification of trans-resveratrol from different peanut cultivars have applied distinct extraction techniques with different results according to methodology, type of tissue and genotype (Table 1)
Summary
Groundnut (Arachis hypogaea L., Leguminosae) is the fourth most planted and consumed oilseed worldwide, and a great option for crop rotation [1]. The most widely investigated secondary metabolite in peanut extracts is trans-resveratrol (3,4’,5-trihydroxystilbene), a polyphenolic compound initially classified as a stilbene phytoalexin [6], since it was recognized as an active compound against plant pathogens. Trans-resveratrol can be found in grapes [7], eucalyptus [8], pine [9], and in a vast number of other plant species. It is associated with many health benefits, such as reducing the risk of atherosclerosis [10], as well as antioxidant [11], anti-inflammatory [12], and cancer preventive activities [13].
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