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The tea is one of the three drinks in the world for thousands of years , anti-drug sterilization , anti-aging, lipid-lowering diet , anti-cancer and other effects . In recent years, more and more research on tea . Determination of the main ingredient of the tea powder . C. elegans as a model to study the biological effects of green tea , black tea and Pu'er tea powder nematodes . Found that a high concentration of tea powder may be delayed nematode development , reducing the number of eggs of the nematode , and shorten the life of the nematode , and tea powder to be significantly weaker than the green tea powder and black powder ; low concentrations of tea powder nor prolong the nematode life , but the suitable concentration of tea powder can enhance athletic ability of the nematode . This paper also studied the biological effects of caffeine nematodes . Have different effects found caffeine nematode movement , swallowing , spawning , developmental aspects .
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