The research on the water leaching rate of bag tea of the root of kudzu vine and thin-layer chromatography is discussed.

介绍了葛根解酒袋泡茶的水浸出率及薄层层析实验研究。

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As the vines have to struggle and stress as they extend the roots through the thin layer of terra rossa and the limestone to the water table, growth of the vine is limited to producing low yielding, intensely flavoured grapes, ideal for making premium wine.

ECONOMIST: Letters