What is the effect and function of Tibetan green fruit?

Tibetan green fruit, also known as Xizang green fruit, or West green fruit, is the immature fruit of Terminalia chebula. It is bitter in nature, slightly sweet and slightly cold. It has the effects of clearing away heat and toxic materials, relieving throat and promoting salivation. It can be used to treat throat pain, dry throat, or tonsil swelling caused by heat toxin; it can also be used to treat tenesmus, diarrhea, dysentery caused by dampness-heat in the large intestine. Because West green fruit has astringent taste and has the disadvantages of evil, it is not suitable for taking if the exogenous wind is obvious. In addition, Tibetan green fruit taste partial to cold, so spleen and stomach deficiency cold is not suitable for taking.