Castanea crenata Sieb Zucc
[From Latin, castanea = chestnut and crenatus = with toothed edge]
Physical description: It is a magnificent timber tree found in China, Korea and Japan. The bark is dark reddish
Common name: Japanese chestnut; Kuri (Japanese).
Uses: In China and Korea, the flowers are used to treat tuberculosis and scrofula, and a decoction of fresh leaves is used to resolve inflamed parts.
brown and the stems are glabrous. Leaves: simple, alternate and stipulate. The stipules are deciduous. The petiole is 9 mm-1.3 cm long.The blade is papery, 13.6 cm x 4cm-11.5cm x 3.5 cm, and lanceolate. The base of the blade is asymmetrical, somewhat cordate, and the apex ends in a 6 mm-8 mm long tail. The margin is toothed, each tooth 2 mm long. The blade is glabrous on the surface and covered with starry hairs underneath, showing 14-17 pairs of secondary nerves. The midrib and secondary nerves are raised below and sunke above, and the midrib is somewhat hairy above. The flowers are tiny and packed in axillary 4 cm-7 cm long spikes (Fig. 52).
Pharmaceutical interest: Anti-inflammatory properties: The anti-inflammatory property of Castanea crenata Sieb. & Zucc. is substantiated both in vitro and in vivo. Activity-guided fractionation of a water extract of leaves, based on the determination of inhibitory effect upon the release of hexosaminidase from RBL-2H3 cells, led to the isolation of quercetin as the principle responsible for the inhibition of degranulation of mast cells (Lee E etal., 1999).
Continue reading here: Castanopsis cuspidata Thunb Schottky
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