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Peppercorns are the dried fruit of the piper nigrum or pepper vine, which is native to Southern India.Though occasionally fresh varieties are used in Asian cuisine, we normally use dried ones in the west.eppercorns were historically used to treat toothaches, among other conditions. Peppercorns are dried and used as a seasoning, commonly found in peppermills, among other types of peppercorns. Peppercorns are native to Southern India.
About this species. Black pepper fruits are the source of one of the world's most widely and frequently used spices. Black, white and green peppercorns all come from Piper nigrum and are popularly used as a hot and pungent spice for flavouring food.ichuan pepper, a common spice used in Asian cuisine, is obtained from Zanthoxylum species (citrus family, Rutaceae). Peppercorns should not be confused with chilli peppers (Capsicum species) such as Capsicum annuum (potato family, Solanaceae). The fruits of Piper nigrum are used to make black pepper.