杨梅原产于我国，分布于长江以南各省区，其中以浙江省的杨梅产量较高，品质较好。在杨梅成熟期正值水果淡季的初夏，因其果色鲜艳，汁液丰富、酸甜适度，深受消费者的青睐。由于在常温的２—３天后，杨梅果实就出现脱水裂口汁液溶出，并产生霉变现象，因此杨梅只适作为鲜销或 Myrica rubra native to China, located in the provinces and regions south of the Yangtze River, in which the production of bayberry in Zhejiang Province is higher and the quality is better. In the mature period of bayberry is the early summer of the off-season fruit, because of its bright colors, rich juice, moderate sweet and sour, favored by consumers. Because at room temperature 2-3 days after the emergence of bayberry fruit dehydration split juice dissolution and mildew phenomenon, so bayberry is only suitable as a fresh or