Grape Seed Extract (Vitis vinifera)
Benefits of Grape Seed
- Skin
- Where it's from: Native to Mediterranean region, central Europe and Southwestern Asia
- Form: Extract
- Food source: Grapes
What is Grape Seed?
Vitis vinifera, as the name suggests, is the grape plant from which most wines are made. Wine production uses the skin (for red wine) or the juice (for white wine). The seeds, however, can be pressed and concentrated to make an extract. Grape Seed Extract is rich in plant compounds called 'proanthocyanidins', which have antioxidant activity. Antioxidants neutralise 'free radicals', unstable molecules that can damage other molecules when their levels become too high.
What does the research say about Grape Seed?
Researchers have looked at Grape Seed Extract in relation to the skin, and studies have looked at grape seed's role in skin and environmental stress. A study of a supplement combining collagen and antioxidants looked at metrics of skin health. Collagen gives our skin its structure. Environmental damage, including sunlight or pollution, affects the function of collagen and contributes towards ageing.
Grape Seed has also been studied in relation to the cardiovascular system. Studies have looked at its effect on blood pressure, and a review has summarised blood pressure changes. Research has also examined its effect on oxidised LDL cholesterol.
So the humble grape, used for thousands of years in wine-making, turns out to have plenty to interest researchers! Please note, this does not necessarily mean that drinking wine is good for you.
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