每天一杯茶解暑又健康,抗癌作用多!(3)
更新时间:2022-07-05
抗癌功效一样吗? 差别不大 茶叶由于制作工艺的不同被分为绿茶、红茶、白茶、乌龙茶等等,有些经过发酵、有些未发酵,因此口感上差异也很大,但是目前科学界的主流观点认为不同品种茶叶的营养价值差不不大。因此,无论是哪种茶,抗癌成分都相差不大,抗癌功效也类似。 “饮茶禁忌” 1、太烫喝太热茶的人发生食管鳞状细胞癌的风险显著增加[7]。 2、太多茶叶中含有咖啡因,每日摄入量应小于400mg,即绿茶小于14杯,红茶小于8杯[8]。 3、空腹空腹喝茶容易引起身体不适,出现心悸、头晕等症状。 当然,也有一些流行病学的研究认为饮茶与某些癌症风险降低之间没有显著关系。这一点也可以理解,毕竟茶作为一种消遣的饮品,并不是要物,不能与要物、甚至营养补充剂相提并论。但是,茶叶并不会增加我们的癌症风险,同时还有降低心血管疾病风险、二型糖尿病风险等作用。只要避开上面提到的喝茶禁忌,夏天多喝一点没关系的~ 参考文献 [1]Pranata R, et al. Coffee and tea consumption and the risk of glioma: a systematic review and dose-response meta-analysis. Br J Nutr. 2022 Jan 14;127(1):78-86. [2]Kim TL, Jeong et al. Tea Consumption and Risk of Cancer: An Umbrella Review and Meta-Analysis of Observational Studies. Adv Nutr. 2020 Nov 16;11(6):1437-1452. [3]Yu S, et al. Green tea consumption and risk of breast cancer: A systematic review and updated meta-analysis of case-control studies. Medicine (Baltimore). 2019 Jul;98(27):e16147. [4]Farvid MS, et al. Post-diagnostic coffee and tea consumption and breast cancer survival. Br J Cancer. 2021 May;124(11):1873-1881. [5]Martimianaki G, et al. Tea consumption and gastric cancer: a pooled analysis from the Stomach cancer Pooling (StoP) Project consortium. Br J Cancer. 2022 May 24. [6] Wada K, et al. Green tea intake and colorectal cancer risk in Japan: the Takayama study. Jpn J Clin Oncol. 2019 Jun 1;49(6):515-520. [7]Luo H, Ge H. Hot Tea Consumption and Esophageal Cancer Risk: A Meta-Analysis of Observational Studies. Front Nutr. 2022 Apr 11;9:831567. [8]Hakim IA, Harris RB. Joint effects of citrus peel use and black tea intake on the risk of squamous cell carcinoma of the skin. BMC Dermatol. 2001;1:3.返回搜狐,查看更多 责任编辑: |