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Folium Mori Mulberry Leaf
Source: The leaf of Morus alba L. (Fam. Moraceae).
Distribution: Mainly in Chinese provinces such as Anhui, Zhejiang, Jiangsu, Sichuan and Hunan; also in Hong Kong.
Harvest & Processing: Harvest leaves in October and November after frost; remove branchlets and foreign matter; dry under the sun.
Description: Mostly shrivelled and in fragments. When whole, petiolate (with a petiole); petiole 1-2.5 cm long; when smoothed out, blade ovate (egg-shaped in outline and attached at the broad end), or broad and ovate, 8-15 cm long, 7-13 cm wide. Apex acuminate (tapering to a slender point); base truncate (squared as if cut off), orbicular (round) or cordate (heart-shaped); margin serrate (sawlike) or crenate (with round-toothed edges), in some cases irregular lobate (divided into lobes). Upper surface yellowish-green or light yellowish-brown, in some cases verruculose (with small wartshaped protuberances); underside lighter in colour, with protuberant veins, veinlets reticulate (net-like); veins covered with sparse pubescence, vein base with tufted pubescence. Brittle. Odour: faint; taste: mild, slightly bitter-astringent.
Indications: 1. Common cold, cough, sore throat 2. Red eyes, photophobia with lacrimation, conjunctivitis, blurring of vision 3. Haematemesis, haemoptysis 4. Night sweating.
Chemical Composition: Mainly contains flavonoids such as kuwanon I, and coumarins such as bergapten.
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