中美联合研究的一个重要发现(见内)

回答: 植物王国的活化石——银杏良邑2022-11-25 12:05:17

Researchers in the US and China studied ginkgo trees aged 15 to 667, extracting tree-rings and analysing cells, bark, leaves and seeds. They found both young and old trees produce protective chemicals to fight off stresses caused by pathogens or drought.

我不知道银杏叶治疗老年痴呆的功效是否与此有关。

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