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山东郯城,素有“中国银杏之乡”的美誉,是中国栽培银杏最早的地区之一,有着3000多年的种植历史,现存百年以上树龄的银杏3万多株。2009年,“郯城银杏”成功注册为地理标志商标。植物“活化石”银杏,是第四世纪冰川孑遗的珍稀树种,是植物界的“活化石”。银杏全身上下都是宝。果实是上等滋补珍品,药食两用;银杏叶是一种重要的药用资源,其主要提取物黄酮甙对血液系统、神经系统疾病具有奇特的疗效;银杏外种皮可提取加工成农药及其他医药产品;银杏木材也是十分珍贵的木料。
Shandong Gaocheng, known as “the hometown of Chinese ginkgo ” reputation, is one of the earliest areas of Chinese cultivation of ginkgo, with more than 3000 years of planting history, the existing more than 300 years old ginkgo tree more than 30 strains. In 2009, “Gaocheng Ginkgo biloba” successfully registered as a trademark of geographical indication. Plant “living fossil ” ginkgo, is rare in the fourth century, relict of the glacier, is the plant kingdom “living fossil ”. Ginkgo body is treasure from top to bottom. Ginkgo biloba is an important medicinal resource. The main extract of flavonoid glycosides has special effect on blood system and nervous system diseases. Ginkgo biloba can be extracted and processed into pesticides And other medical products; Ginkgo wood is also very precious wood.