Grape seed oil is a light oil containing 7% palmitic acid (C16), 4% stearic acid (C18), 16% oleic acid (C18:1), and 72% linoleic acid (C18:2). With such high levels of unsaturated acids and such low levels of Vitamin E (at 265 ppm), this oil has a very short shelf life of 3 to 6 months,…