The proportion of free oleic acid that an olive oil contains is an accurate measure of the oil's acidity.
橄榄油中游离油酸的比例是对橄榄油酸度的精确测量。
2
The low-fat sugar-free yogurt has the advantages of milk flavor and good viscosity, moderate acidity and sweetness, smoothness and plumpness, good integral mouthfeel and the like;