自 2 0世纪 80年代以来 ,保健食品在全球范围内迅速发展 ,年产值从数亿美元到数百亿美元 ,乃至上千亿美元。 1994年 ,美国保健食品的销售额为 40亿美元 ,我国保健食品总产值已达 2 0 0亿元人民币 ,约占食品工业产值的 10 % [1] 。这种发展势头为食品行业提供了难得的机遇 ,同时 Since the 80s of the 20th century, the rapid development of health food in the world, the annual output value from hundreds of millions of dollars to tens of billions of dollars, and even hundreds of billions of dollars. In 1994, the sales volume of health food products in the United States was 4 billion U.S. dollars. The total output value of health food products in our country reached 20 billion yuan, accounting for about 10% of the output value of the food industry [1]. This momentum of development provides the food industry with a unique opportunity, at the same time