oils and fats - vegetable or not - have all different fatty acid compositions, which affect their nutritional properties. fatty acids are esential building blocks of cell membranes. oils and fats also contain other components sush as fat soluble vitamins, notably vitamin e. vegetable oils and their fatty...
and fats with specific melting profiles or oxidative stability by reducing unsaturated double bonds in the oil system. since hydrogenation converts unsaturated triglycerides into saturated ones, thus it converts liquid oils to the semi-solid form for greater utility in certain food uses. once hydrogenated...
this standard describes the program's performance requirements, explains the current engine oil service categories, shows how the marks are to be used, and explains the monitoring and enforcement program. standards referenced by api , such as astm d , standard specification for performance of engine oils...