Astragalus membranaceus (root)

Introduction

Introduction from Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Astragalus_propinquus, retrieved 02/20/2012).

Astragalus membranaceus also known as huáng qí (yellow leader) (simplified Chinese: 黄芪; traditional Chinese: 黃芪) or běi qí (Chinese: 北芪), huáng hua huáng qí (Chinese: 黄花黄耆), is a flowering plant in the family Fabaceae. It is one of the 50 fundamental herbs used in traditional Chinese medicine. It is a perennial plant and it is not listed as being threatened.

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Macroscopic Entries

Astragalus (flowering tops) Botanical Voucher Specimen - Alkemists Laboratories Source: Botanical Voucher Specimen Library, Alkemists Laboratories Astragalus (flowering tops) Botanical Voucher Specimen - Alkemists Laboratories

Microscopic Entries

Slightly braided bundle of fibers shown under polarized light of Astragalus membranaceus root viewed with Acidified Chloral Hydrate at 400x Source: Elan M. Sudberg, Alkemist Laboratories

HPTLC Entries

Atragalus membranaceus HPTLC ID - 5% Methanolic H2SO4 UV 365 nm Astragalus (root) (Atragalus membranaceus) Lane Assignments Lanes, from left to right (Track, Volume, Sample): 3 μL Atragalus membranaceus-1 (root) 3 μL Atragalus membranaceus-2 (root) 3 μL Atragalus membranaceus-3 (root) 3 μL Atragalus membranaceus-4 (root) 3 μL Atragalus membranaceus-4 (root) 3 μL Atragalus membranaceus-5 (root) 3 μL Atragalus membranaceus-6 (root) 2 μL Astragaloside IV ~0.1% in CH3OH Reference materials used here have been authenticated by macroscopic, microscopic &/or TLC studies according to the reference source cited below held at Alkemists Pharmaceuticals, Costa Mesa, CA.  Stationary Phase Silica gel 60, F254, 10 x 10 cm HPTLC plates  Mobile Phase chloroform: methanol: water [9/4/0.5]  Sample Preparation Method 0.3 g + 3 ml CH3OH sonicate/heat @ 50° C ~ 1/2 hr  Detection Method 5% Methanolic H2SO4 -> UV 365 nm  Reference see American Herbal Pharmacopoeia & Therapeutic Compendium Source: Elan M. Sudberg, Alkemist Laboratories