Provide some green tea papers for reference. Han Lixin, Li Ran. Determination of minerals and trace elements in tea by ICP-AES [J] Spectroscopy and spectral analysis, 2002, (02). [2], Xu, Liang Xiufang,,, Liu Ming, Yang. Experimental study on fluorine content in tea and fluorine leaching at different water temperatures. (03).[3] Zhao,, Wang Jianchao,,, Xin. ESR detection of methyl radical produced by the oxidation of dimethyl sulfoxide with nitrite [J] Scientific bulletin, 1996, (10). [4] Zhao Antioxidant effect of tea polyphenols [J] Scientific bulletin. Li hai Study on the Source and Solubility of Aluminum in Tea [J] Modern Preventive Medicine, 1996, (04). [6] Tao, Rui Cheng. Study on the Dissolution Rate and Binding State of Trace Elements Cr, Cu, Fe, Mn, Ni and Zn in Tea [J] Health Research, 2000, (04). Wang Xiaoru. Determination of Trace Elements in Tea by ICP-MS [J] Journal of Xiamen University (Natural Science Edition), 2003, (05). [8] Gog, Tao Rui. Hygienic Experimental Study on Aluminum in Tea [J] China Gonggong Hygiene, 200 1, (03). Cen Yingzhou. Antioxidant effect of tea polyphenols in vitro [J] China Journal of Pathophysiology, 1999, (06). [10] Deng, Tao Bingying, He, Chu Fang. Study on antioxidant function of tea [J] Journal of Nutrition, 1998. Lin. The relationship between mineral element content analysis and tea quality in Guizhou [J] Trace elements and health research, 1998, (02). [12] Zhou Bo, Jia Zhisheng, Chen Zhihong, et al. Synergistic antioxidant effects of tea polyphenols and α -tocopherol on linoleic acid free radicals in micelles. Journal of chemical social welfare, 2000, February, 2 :785. [13] Inanami O, Watanabe Y, Syuto B, etc. Oral administration of (-) catechin can prevent neuron death induced by ischemia-reperfusion in gerbils. Free radio resources,1998,29,29: 359-365. [14] Zhao Baolin, Li Xiaojun, Xin Weijun. ESR study on oxygen consumption during respiratory burst of human polymorphonuclear leukocytes. Practice report of cell biology, 1989, 13, 13 :3 17-325.

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