Blue tea is undoubtedly an herbal infusion made out of butterfly pea flowers, which are rich in anthocyanins. Anthocyanins provide the tea its bright blue colour and medicinal Attributes. If you want a squeeze of lemon inside your tea, watch out: the acidic lemon juice will alter the colour https://how-to-make-boba-drinks03692.activablog.com/30362550/the-butterfly-pea-flower-tea-side-effects-diaries