What is dendrobium nobile?

Medicinally it mainly refers to the beginning or broiled axis of Dendrobium nobile Lindl. This is a affiliate in the ancestors Orchidaceae. However, the name Shi Hu aswell agency added dendrobium orchids varieties, including Dendrobium loddigesii Rolfe., Dendrobium fimbriatum Hook. var. oculatum Hook., Dendrobium chrysanthum Wall., and Dendrobium candidum Wall. ex Lindl. So added accepted names of this herb cover Dendrobium Stem, Herba Dendrobii, Shi Hu Lan, dendrobium orchid, Jian Chai Shi Hu (literally “gold ambit dendrobium”), and more. In China it is mainly produced in ambit of Sichuan, Guizhou, and Yunnan. It is harvested all the year round, in accurate in autumn. Medicinally it is usually broiled by the blaze or in the sun, cut, and acclimated raw. The beginning one can be buried in the beach to accumulate them handy.

Dendrobium nobile plant is a abiding herb. Clustered stems are hardly collapsed and arced in top part, 10 to 60cm high, up to 1.3cm thick, and with grooves, hardly blubbery knob, and attenuated base. Subleathery leaves are ellipsoidal or elliptic, 6 to 12cm long, 1 to 3cm wide, and with 2-lobed apex. During beginning aeon it is blooming or leafless. Racemes are with 1 to 4 flowers, which are big in size, drooping, up to 8cm in diameter, and with white tepals with a ablaze amethyst cast and amethyst apex; lip is obovate oblong, 4 to 4.5cm long, 3 to 3.5cm wide, and with angled acme and 1 amethyst atom on the top lip plate; anther is with 2 apartment and pollen block are 4. Fruits are capsule. Bloom time is from April to July. There are about 1000 dendrobium nobile breed in the apple and about 76 breed in China. It is built-in to the close and subtropical Asia, Australia and the Pacific Islands.

Dendrobium nobile axis contains alkaloids 0.3% and the abandoned capacity cover dendrobine, nobilonine, 6-hydroxydendrobine, dendramine, dendroxine, 6-hydroxydendroxine, 4-hydroxydendroxine, dendrine, 3-hydroxy-2-oxydendrobine, and the like. It is aswell appear there are 5 quaternary ammonium bases isolated, including N-methyldendrobinium, N-isopentenyldendrobinium, dendrobine N-oxide, and N-isopentenyl-6-hydroxydendroxinium. In addition, it still contains nobilomethylene, denbinobin, β-sitosterol, and daucosterol.