
Pokok bunga cengkih (Syzygium aromaticum)


Common names
- bunga cengkih (Malay)
- clove (English)
- ding heung, ting hsiang (Chinese)
- lavangam (Tamil)
Descriptions
- a small evergreen tree, 10-20 m high
- leaves opposite, petiolate, lanceolate, pinkish to dark green, with translucent, aromatic glands, have a pungent odour when young
- inflorescence occurs as racemose panicles and bears buds that take on the form of nails before blossoming
- flowers red with four concave, overlapping petals that drop off as soon as the flower opens; stamens numerous; 4 calyx lobes
- buds 10-20 mm long, bright reddish-brown to dark brown; lower part (the hypanthium) solid, cylindrical, flattened, tapering towards the base and bearing at the apex, thick, triangular, divergent sepals, alternating with four rounded, fragile, unexpanded, membranous, imbricated petals forming a pale, nearly spherical head that encloses numerous stamens, curved inward and inserted on small disc.
- fruits dark red, fleshy drupe
Chemical constituents
vanillin, kaempferol, rhamnetin, eugenitin, eugenin, hidroxibenzoic acids, flavonoids, hidroxiphenyl propens, hidroxicinamic acids, and eugenol, gallic acid derivatives (hidrolizable tannins), phenolic acids like ferulic, caffeic, ellagic, and salicylic acids
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By ethanolic extract of S. aromaticum flower buds:
quinone (isobiflorin and biflorin)
By ethyl acetate extract of S. aromaticum flower buds:
terpenes (β-caryophyllene, β-caryophyllene oxide, α-humulene, α-humulene epoxide)
By hexane extract of S. aromaticum flower buds:
terpenes (eugenol, caryophyllene oxide, and nootkatin)
Essential oil (1.06%) from S. aromaticum flower buds:
terpenes (e.g. eugenol, acetyleugenol, chaviol)
Traditional uses
Preparation/ part of plants used
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eliminate body odor
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used in the treatment of burns and wounds, and as a pain reliever in dental care
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used in the treatment of vomiting; flatulence; nausea; liver, bowel and stomach disorders; and as a stimulant for the nerves
Flower bud
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eliminates bad breath and toothache
Leaves: chew the leaves
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used as a seasoning in cooking
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to treat fever
Dried flower
Flower: decoction
Flower: ground the cloves into powder form and mix it with salt crystals and add to milk
Flower
Essential oil
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to treat headaches