Stellaria media (leaf)

From AHPA Botanical Identity References Compendium
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{{DISPLAYTITLE:''Stellaria media'' (leaf) }} {{askbox|herb=''Stellaria media''}}
 
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=Botanical Voucher Specimen=
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{{Microscopy | source=Elan M. Sudberg, Alkemist Laboratories
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{{Media      | cat=Voucher
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            | source=MOBOT, Tropicos.org
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            | mainimage=Stellaria_media_Tropicos_100002703_(S).jpg
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            | companyimage=TropicosLogo.gif
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            | companyURL=http://www.tropicos.org/Image/100002703
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            | reference=Tropicos.org. Missouri Botanical Garden. 26 Mar 2014 <http://www.tropicos.org/Image/100002703>
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            | }}
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=Organoleptic Characteristics=
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{{Media2 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories
 
       | companyimage= AP-LOGO-Laboratories Crop - Copy.jpg
 
       | companyimage= AP-LOGO-Laboratories Crop - Copy.jpg
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       | companyURL=http://www.Alkemist.com
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       | companyURL=http://www.alkemist.com
 
       | mainimage=Chickweed herb Alkemist Laboratories.jpg
 
       | mainimage=Chickweed herb Alkemist Laboratories.jpg
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       | caption1=Sinuous anticlinal pigmented cell walls observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
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| source2=Elan M. Sudberg, Alkemist Laboratories
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      | description= Chickweed (leaf) (''Stellaria media'')
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      | companyimage2= AP-LOGO-Laboratories Crop - Copy.jpg
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      | companyURL2=http://www.alkemist.com
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       | caption1=Large cluster of calcium oxalate  observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
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       | image2=Chickweed herb-1 Alkemist Laboratories.jpg
 
       | image2=Chickweed herb-1 Alkemist Laboratories.jpg
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       | caption2=Large cluster of calcium oxalate  observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
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       | caption2=Sinuous anticlinal pigmented cell walls observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
 
       | characteristics=cellular structures identified in this botanical specimen are sinuous anticlinal pigmented cell walls and the large cluster of calcium oxalate when observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
 
       | characteristics=cellular structures identified in this botanical specimen are sinuous anticlinal pigmented cell walls and the large cluster of calcium oxalate when observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
 
             | reference=British Herbal Pharmacopoeia, 1983
 
             | reference=British Herbal Pharmacopoeia, 1983
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=High Performance Thin Layer Chromatographic Identification=
 
{{HPTLC | source=Elan M. Sudberg, Alkemist Laboratories
 
{{HPTLC | source=Elan M. Sudberg, Alkemist Laboratories
 
             | description=Chickweed (leaf) (''Stellaria media'')
 
             | description=Chickweed (leaf) (''Stellaria media'')
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<references />

Latest revision as of 17:03, 9 May 2018

AHPA recognizes other valuable resources exist regarding the identity of Stellaria media.

To submit a suggestion or contribution, please contact Merle Zimmermann.

Contents

Nomenclature

Stellaria media (L.) Vill.   Caryophyllaceae  
Standardized common name (English): chickweed

Botanical Voucher Specimen

bottomright

Stellaria media Tropicos 100002703 (S).jpg
Source: MOBOT, Tropicos.org[1]

Organoleptic Characteristics

Macroscopic Characteristics

Microscopic Characteristics

bottomright bottomright

Chickweed herb Alkemist Laboratories.jpg
Large cluster of calcium oxalate observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
Source: Elan M. Sudberg, Alkemist Laboratories[2]

Chickweed herb-1 Alkemist Laboratories.jpg
Sinuous anticlinal pigmented cell walls observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
Source: Elan M. Sudberg, Alkemist Laboratories[3]


High Performance Thin Layer Chromatographic Identification

AP-LOGO-Laboratories Crop - Copy.jpg
(thumbnail)
Stellaria media HPTLC ID - Natural Product Reagent + PEG -> UV 365 nm

Chickweed (leaf) (Stellaria media)

Lane Assignments Lanes, from left to right (Track, Volume, Sample):

  1. 2 μL Caffeic acid, Chlorogenic Acid, Hyperoside, Rutin ~0.1% in CH3OH
  2. 3 μL Stellaria media-1
  3. 3 μL Stellaria media-2
  4. 3 μL Stellaria media-3
  5. 3 μL Stellaria media-3
  6. 3 μL Stellaria media-4
  7. 3 μL Stellaria media-5
  8. 3 μL Stellaria media-6

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 ethyl acetate: formic acid: acetic acid: water [10/1/1/2] 

Sample Preparation Method 0.3g+3mL 70% grain EtOH sonicate/heat @ 50° C ~ 1/2 hr 

Detection Method Natural Product Reagent + PEG -> UV 365 nm 

Reference see Plant Drug Analysis, Wagner, H., 1996


Source: Elan M. Sudberg, Alkemist Laboratories [4]


Supplementary Information

Sources

  1. ↑ MOBOT, Tropicos.org http://www.tropicos.org/Image/100002703
  2. ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
  3. ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
  4. ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
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