publication . Article . 2018

A Naturally Occurring Antioxidant Complex from Unripe Grapes: The Case of Sangiovese (v. Vitis vinifera)

Ginevra Bucalossi; Bruno Zanoni; Francesca Borghini; Claudio Gori; Giovanna Fia;
Open Access English
  • Published: 01 Feb 2018 Journal: Antioxidants, volume 7, issue 2 (eissn: 2076-3921, Copyright policy)
  • Publisher: MDPI
Abstract
The wine industry is well known for its production of a large amount of wastes and by-products. Among them, unripe grapes from thinning operations are an undervalued by-product. Grapes are an interesting source of natural antioxidants such as flavonoids, non-flavonoids and stilbenes. A potential strategy to exploit unripe grapes was investigated in this study. Juice from unripe grapes, v. Sangiovese, was obtained by an innovative technique of solid-liquid extraction without the use of solvents. The juice was dried by a spray-drying technique with the addition of arabic gum as support to obtain powder; juice and powder were characterized for antioxidant activity,...
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doi: 10.3390/antiox7020027
pmc: PMC5836017
pmid: 29419774
Subjects
free text keywords: Article, unripe grapes, Sangiovese, phenolic compounds, antioxidant activity, solid-liquid extraction, Therapeutics. Pharmacology, RM1-950, Clinical Biochemistry, Cell Biology, Biochemistry, Physiology, Molecular Biology, Resveratrol, chemistry.chemical_compound, chemistry, Flavonols, chemistry.chemical_classification, White Wine, Food science, Arabic, language.human_language, language, Vitis vinifera, Antioxidant, medicine.medical_treatment, medicine, Winemaking, Nutraceutical
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