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最近想买瓶橄榄油，听说有食用橄榄油。难道橄榄油还分食用和不是食用的吗？
Edible Olive Oil
还有 Industrial Olive Oil, Pharmaceutical Grade Extra Virgin Olive Oil.Extra-virgin Olive Oil-Extra-virgin olive oil comes from the first pressing of the olives, contains no more than 0.8% acidity.
The flavor, color and fragrance of olive oils can vary dramatically depending on distinctions such as growing region and the crop's condition. All olive oils are graded in accordance with the degree of acidity they contain. The best are cold-pressed, a chemical-free process that involves only pressure, which produces a natural level of low acidity. In agriculture, olive oil is an oil extracted from the fruit of the European olive tree (Olea europaea L.), which originated in the Mediterranean area. It is used in cooking, cosmetics, and soaps. Olive oil is regarded as a healthy dietary oil because of its high content of monounsaturated fat
Extra-virgin olive oil comes from the first pressing of the olives, contains no more than 0.8% acidity, and is judged to have a superior taste. There can be no refined oil in extra-virgin olive oil. Extra-virgin oil typically has a noticeable green color.
Virgin olive oil with an acidity less than 2%, and judged to have a good taste. There can be no refined oil in virgin olive oil.
Olive oil is a blend of virgin oil and refined virgin oil, containing at most 1% acidity. It commonly lacks a strong flavor.
Olive-pomace oil is a blend of refined olive-pomace oil and possibly some virgin oil. It is fit for consumption, but it may not be called olive oil. Olive-pomace oil is rarely found in a grocery store; it is often used for certain kinds of cooking in restaurants.
Lampante oil is olive oil not used for consumption; lampante comes from olive oil's ancient use as fuel in oil-burning lamps. Lampante oil is mostly used in the industrial market.
Olive oil has a very distinctive flavor, and has become more prominent in American cooking today. Grades of olive oils are determined by the methods of extraction and the acid content of the resulting oil. Virgin olive oils are those obtained from the first pressing of the olive without further refinement. The finest olive oil is extra virgin, with an acid content of 1%. Following this are superfine at 1.5%, fine at 3%, and virgin at 4%.
Pure olive oils are those which have been extracted by heat. These are of 100% olive oil, but their flavor can result in a harsh, bitter aftertaste. Pomace olive oil is refined from the final pressings and under heat and pressure. The taste is inferior to other olive oils and should never be substituted for them. Olive oil becomes rancid very easily, more so when exposed to heat or light. Always store tightly sealed in a cool, dark place.
