is oolong tea acidic
Green tea and oolong tea contain less oxalic acid than black tea. According to the same study that compared the oxalate content of loose leaf vs bagged black tea, the soluble oxalate content of green tea and oolong tea ranged from 0.23 to 1.15 mg per one gram of tea leaves.he purpose of this article is to provide a comparison of the oxalate content of different types of tea, including green tea varieties (such as tencha, sencha and gyokuro), black tea, and oolong tea.