Butterfly pea tea is a refreshing herbal infusion, mostly known for its bright blue colour that can change into purple and pink. It is made by steeping flowers of the Clitoria ternatea plant in hot water; other ingredients such as honey and lemon are often added to the drink, to enhance its flavour. In this…

St. John’s wort (Hypericum perforatum L.) is a herbaceous perennial plant native to temperate regions of Europe and Asia; today it is widespread throughout temperate regions worldwide. It can be easily distinguished from other species in this genus because of its leaves that seem perforated (hence the species name) with glandular tissue which appears as…