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1.
China Journal of Chinese Materia Medica ; (24): 331-332, 2010.
Artículo en Chino | WPRIM | ID: wpr-281024

RESUMEN

<p><b>OBJECTIVE</b>To investigate the chemical constituents of Ehretia thyrsiflora.</p><p><b>METHOD</b>Compounds were isolated with silica gel, Sephadex LH-20 and RP-C18 colum chromatography. Their structures were elucidated by means of physico-chemical properties and spectral analysis.</p><p><b>RESULT</b>Six compounds were isolated and identified as beta-sitosterol (1), ethyl caffeate (2), 2-methoxyl benzoic acid octyl ester (3), tetradecenoic acid, 2,3-dihydroxypropyl ester (4), daucoster (5), allantoin (6).</p><p><b>CONCLUSION</b>Compounds 1-5 were obtained from this species for the first time. Compounds 2-5 were obtained from the genus Ehretia for the first time.</p>


Asunto(s)
Alantoína , Química , Boraginaceae , Química , Ácidos Cafeicos , Química , Espectroscopía de Resonancia Magnética , Hojas de la Planta , Química , Sitoesteroles , Química
2.
Chinese Herbal Medicines ; (4): 106-111, 2010.
Artículo en Chino | WPRIM | ID: wpr-499766

RESUMEN

The plants of the genus Ehretia Linn. composed of about 50 species mainly distributed in tropical Asia and Africa.They have been used as folk medicines or traditional tea to treat various ailments in China for a long time. This contribution reviews the chemical constituents isolated from the plants of the genus Ehretia Linn. and related biological activities of these species in the past few decades. The compounds in the genus mainly belong to the classes of phenolic acids, flavonoids, benzoquinones, cyanogenetic glycosides, and fatty acids. The main biological activities include antioxidant, anti-inflammatory, antisnake venom, and anti-allergic activities.

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