Oolong tea is a class of Chinese teas that are semi-fermented, sitting between the unfermented green tea and the fully fermented black teas.
Similar to all other teas, Oolong teas are packed with anti-oxidants with many health benefits reported, summarized as follow*:
reducing obesity
controlling diabetes
prevention of cancers
improve and reduce cardio-vascular diseases
protect teeth and bone
function as anti-oxidative and antibacterial agents
*Kwan-Wai Ng ORCID Icon,Zi-Jun Cao ORCID Icon,Hu-Biao Chen,Zhong-Zhen Zhao,Lin Zhu ORCID Icon &Tao Yi. Oolong tea: A critical review of processing methods, chemical composition, health effects, and risk Critical Reviews in Food Science and Nutrition, Volume 58, 2018 - Issue 17. (Pages 2957-2980 | Accepted author version posted online: 05 Jul 2017, Published online: 24 Aug 2017)