Correct Option: D

Papain has utility in breaking down tough meat fibres and has been used for thousands of years in its native South America. It is sold as a component of powdered meat tenderiser available in most super markets. Papain, in the form of such a powdered meat tenderizer, made into a paste with water, is also a home remedy treatment for, bee, and yellow jacket (wasps) stings; mosquito bites; and possibly stingray wounds, breaking down the protein toxins in the venom.