Piper betle is a plant with known ethnomedicinal properties and its use in India, Indonesia and other countries of the Indo-China region - Malaysia, Vietnam, Laos, Kampuchea, Thailand, Myanmar, Singapore and the Far East is well known. Use of PB leaf (PBL) was known for centuries for its curative properties such as: to reduce/prevent body odour and bad breath, throat and lung problems, cough prevention and healing, to reduce unwanted vaginal secretion...