View source for Magnolia officinalis (bark)

{{DISPLAYTITLE:''Magnolia officinalis'' (bark) }} {{askbox|herb=''Magnolia officinalis''}}
=Nomenclature=

{{nomenclature | binomial=Magnolia officinalis
|authority=Rehder & E.H. Wilson
|family=Magnoliaceae
|scn=magnolia
|syn=
|ayurvedic=
|pinyin=hou po; hou po (bark of stem; twig; and root); hou po hua (flower bud)
|aka=
|notes=See note following M. biondii. }}

=Botanical Voucher Specimen=
{{Media |cat=Voucher
| companyimage=Kewlogo.gif
| companyURL=http://specimens.kew.org/herbarium/K000681415
| mainimage=Magnolia officinalis Kew barcode=K000681415 308529.jpg
| source=Royal Botanic Gardens, Kew.
}}
=Organoleptic Characteristics=
{| border=1
|
{{Organolepsy | source=United States Dispensatory (1918)
| description=[The bark of ''Magnolia officinalis'' is] inodorous; taste somewhat astringent, pungent, and bitter. 

The aromatic property, which resides in a volatile principle, is diminished by desiccation, and entirely lost when the bark is long kept. The bitterness, however, remains. The bark is destitute of astringency.}}
|}
=Macroscopic Characteristics=
{| border=1
|
{{Macroscopy | source=United States Dispensatory (1918)
| description=The bark from young wood is quilled or curved, thin, externally orange-brown and glossy, or light gray, with scattered warts and somewhat fissured, internally whitish or pale brownish and smooth; fracture short, in the inner layer somewhat fibrous ... 

The bark of old wood, deprived of the cork, is whitish or brownish, fibrous, and less pungent.}}
|}

=Microscopic Characteristics=
{{Media3 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories
             | companyimage= AP-LOGO-Laboratories Crop - Copy.jpg
             | companyURL=http://www.alkemist.com
             | mainimage=Magnolia_officinalis_-_Alkemist_Laboratories.jpg
             | caption1=Cells containing yellow-brown oil observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
| source2=Elan M. Sudberg, Alkemist Laboratories
             | companyimage2= AP-LOGO-Laboratories Crop - Copy.jpg
             | companyURL2=http://www.alkemist.com
             | image2=Magnolia_officinalis-2_-_Alkemist_Laboratories.jpg
             | caption2=Star shaped lignified sclereids observed at 400x with phloroglucinol + HCl.
| source3=Elan M. Sudberg, Alkemist Laboratories
             | companyimage3= AP-LOGO-Laboratories Crop - Copy.jpg
             | companyURL3=http://www.alkemist.com
             | image3=Magnolia_officinalis-3_-_Alkemist_Laboratories.jpg
             | caption3=Lignified fibers observed at 400x with phloroglucinol + HCl.
             | reference=Chinese Drug Materials, Xu Gou Jun 1996
             | }}

=High Performance Thin Layer Chromatographic Identification=
{{HPTLC | source=Elan M. Sudberg, Alkemist Laboratories
             | description=Magnolia (bark) (''Magnolia officinalis'')
             | companyimage=AP-LOGO-Laboratories Crop - Copy.jpg
             | companyURL=http://www.alkemist.com
             | mainimage=Magnolia_officinalis_-_Alkemists_Laboratories.jpg
             | caption1=''Magnolia officinalis'' HPTLC ID - 10% Ethanolic H2SO4 visible light
             | stationaryphase=Silica gel 60, F254, 10 x 10 cm HPTLC plates
             | mobilephase=cyclohexane: ethyl acetate: HCOOH [6/4/0.2]
             | prep=0.3g+3mL 70% grain EtOH sonicate/heat @~50° C ~ 1/2 hr
             | detection=10% Ethanolic H2SO4 -> 115° C 15 min -> visible light
             | lanes= Lanes, from left to right (Track, Volume, Sample):
# 3 μL Magnolol ~ 0.1% in Methanol
# 3 μL ''Magnolia officinalis''-1
# 3 μL ''Magnolia officinalis''-2
# 3 μL ''Magnolia officinalis''-3
# 3 μL ''Magnolia officinalis''-3
# 4 μL ''Magnolia officinalis''-4
# 2 μL ''Magnolia officinalis''-4
# 3 μL Honokiol ~ 0.1% in Methanol

Reference materials used here have been authenticated by macroscopic, microscopic &/or TLC studies according to the reference source cited below held at Alkemists Laboratories, Costa Mesa, CA.

             | reference=Pharmacopoeia of The Peoples Republic of China, Volume 1, 1997
             | }}

=Supplementary Information=
=Sources=
<references />