Grape seed is just what it sounds like—the seed of grapes. Unlike the flesh of the fruit, grape seed has bitter qualities yet still imparts a low level of sweetness. Whole grape seed is the origin of grape seed oil, which is a by-product created during the process of making wine and now a popular cosmetic and cooking oil valued for its high smoke point. Grape seed is also an abundant source of nutrients, including flavonoids, linoleic acid, vitamin E and various antioxidant compounds, most notably resveratrol.
Powdered grape seed is a convenient way to add antioxidants to smoothies, teas, hot or cold cereals, yogurt and other foods. Grape seed powder can also be added to flour when baking or making homemade pasta dough.
The powder can also be encapsulated and taken as a dietary supplement.