Syzygium polyanthum (Wight) Walp is well known among Malaysians as "salam", "serai kayu", or "samak kelat", whereas in Indonesia, the plant is commonly recognized as "ubar serai", "meselengan", "manting", Indonesia laurel, or Indonesian bay leaf. 1 The scientific name S. polyanthum was usually used in synonymous with Eugenia polyantha. 2 According to the Archive of "Catalogue of Life", 3 this plant belongs to Plantae kingdom, Magnoliophyta phylum, Magnoliopsida class, Myrtales order, Myrtaceae family, Syzygium genus, and S. polyanthum (Wight) Walp species.
TRADITIONAL USESLeaves, fruits, and barks of S. polyanthum are traditionally used for various medicinal and nonmedicinal purposes. The roots and the fruits are consumed to reverse the hangover effect with alcohol, whereas the leaves are traditionally consumed for treating various illnesses such as diabetes mellitus, hypertension, gastritis, ulcers, diarrhea, skin diseases, as well as infections. 4,5 People in Riau, Sumatra, Indonesia, has reported to add S. polyanthum leaves as one of the ingredients in their soups, and it was consumed for treating hypertension. 6 Another alternative way of preparing remedies from S. polyanthum leaves is by preparing leaf decoction, usually by boiling few pieces of S. polyanthum leaves in plain water until they become concentrated. Apart from its medicinal use, the young shoots of S. polyanthum are consumed in its raw form as salad, or locally known among Malay as "ulam" and, sometimes, the mature leaves are used to enhance flavor in