Grape seed oil, a product derived from seed grape pomace, contributes to the recycling and reuse of winery waste, as well as diversifies the range of value-added products of the wine industry.
Does grapeseed oil contain polycyclic aromatic hydrocarbons?
Grapeseed oil has occasionally been found to contain dangerous levels of polycyclic aromatic hydrocarbons because of direct contact with combustion gases during the drying process. Winemaking accounts for 90% of grape cultivation, with the seeds of the plant serving as a by-product that can be pressed for oil.
What are grape seeds used for?
Seeds from grapes can be used in the food industry to obtain oils. This use makes of them a valueadded food due to its richness in linoleic acid, vitamin E, and phytosterols responsible for several biological properties such as antioxidant, antiinflammatory, and anti-hypercholesterolemia activities.
What fatty acids are in grape seed oil?
The following table lists a typical fatty acid composition of grape seed oil: Grape seed oil also contains 0.8 to 1.5% unsaponifiables rich in phenols ( tocopherols) and steroids ( campesterol, beta-sitosterol, stigmasterol ).