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Green teas (Camellia sinensis) from the non-Karst and the Karst areas of Yichang, Hubei Province, PR China, have been compared as regards l-proline content of the green tea and the quality, as well as the soil properties. The results showed that some qualities of green tea from the Karst region, such as a higher content of l-proline and a lower contents of aluminum and fluoride were beneficial. Other...
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