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Fructus Alpiniae Oxyphyllae

[Chinese medicine name] yizhi [English name]Alpiniae Oxyphyllae Fructus [Source] The mature fruits of Alpinia oxyphylla Miq. [Phytomorphology] Perennial herb. The rhizomes are transverse and the stems are erect and clustered. Leaves 2 columns, broadly lanceolate leaves, apex tip, base broadly...

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[Chinese medicine name] yizhi

[English name]Alpiniae Oxyphyllae Fructus

[Source] The mature fruits of Alpinia oxyphylla Miq.

[Phytomorphology] Perennial herb. The rhizomes are transverse and the stems are erect and clustered. Leaves 2 columns, broadly lanceolate leaves, apex tip, base broadly cuneate, margin serrulate and exfoliative bristles, dark green above, pale below; petiole short; ligule membranous, brown, 2-lobed. Flowers bisexual, raceme terminal, pubescent, bracts 1-ringed, axillary, bracteoles very short, membranous, brown; calyx tube, apex 3-toothed, laterally dehiscent to middle Outside, pubescent, corolla tube lobes 3, oblong, slightly larger, apically slightly pocketed, externally puberulent, lobes obovate, pinkish white with red stripes, apex obtuse, 3-lobed, Middle lobes prominent, margin undulate; staminodes with short cones, 1 stamens developing, filaments flattened, linear, anthers shortly round, connective apex with rounded chicken coronal appendages; ovary inferior, 3-loculed, ovoid, Closely covered with hairs, 2 club-shaped appendages on upper side, ovules 8-9 per chamber, slender, stigma capitate, sparsely ciliate. Capsule oblong, narrow at both ends, sparse or smooth, skin surface has a significant longitudinal vascular stripe, fruit stalk short, ripe yellow-green to brown. Most of the seeds, slightly flat polygon, brown-black, outer coating of aril seed coat. Flowering period from January to March, fruiting period from March to June.

[Origin distribution] was born in the damp place under the forest. It is located in Yangjiang and Leizhou Peninsula in Hainan and Guangdong. In addition, Fujian and Guangxi have cultivation.

[Harvesting and Processing]From May to June the fruit is picked from green to red, dried or dried at low temperatures.

[Medicine traits]Fructus Alpiniae oxyphyllae is oval in shape with slightly pointed ends. The surface is brown or gray-brown, with longitudinally rugged raised ridge lines, with apical residues at the top and fruit stems often remaining at the base. The peel is thin and slightly tough, closely clinging to the seeds, and the seeds are clustered into clusters with a diaphragm separating the seed cluster into 3 petals. Seeds are irregularly oblate, slightly obtuse, gray-brown or gray-yellow on the surface, and a pseudo-seed coat with a light brown membranous surface; hard and endosperm white. A special aroma, spicy, slightly bitter.


Pharmacological research: Fructus Alpiniae oxyphyllae inhibits myocardium; has a cardiac effect; dilates blood vessels; resists gastric damage; inhibits ileum; inhibits prostaglandins and other effects.

 

[chemical composition] Fructus Alpiniae oxyphyllae contains 2% volatile oil, the composition is extremely complex, there are as many as dozens. It also contains the heart-enhancing ingredient ilmenone A and the stimulating ingredient ilmenone B, the calcium antagonist yixiao alcohol, the anti-ulcer ingredient Zhiyi ketone, zingiberene, gingero.

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