Euphrasia stricta (aerial parts)

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{{DISPLAYTITLE:''Euphrasia officinalis'' (aerial parts) }}
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{{DISPLAYTITLE:''Euphrasia stricta'' (aerial parts) }} {{askbox|herb=''Euphrasia stricta''}}
 
=Nomenclature=
 
=Nomenclature=
 
{{nomenclature | binomial=Euphrasia stricta
 
{{nomenclature | binomial=Euphrasia stricta
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|family=Scrophulariaceae
 
|family=Scrophulariaceae
 
|scn=eyebright
 
|scn=eyebright
|syn=
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|syn=''Euphrasia officinalis''
 
|ayurvedic=
 
|ayurvedic=
 
|pinyin=
 
|pinyin=
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=Botanical Voucher Specimen=
 
=Botanical Voucher Specimen=
  
{{Media     |cat=Voucher  
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{{Media2     |cat=Voucher  
 
              
 
              
 
             | source=MOBOT, Tropicos.org
 
             | source=MOBOT, Tropicos.org
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             | companyURL=http://www.tropicos.org/Image/100285389
 
             | companyURL=http://www.tropicos.org/Image/100285389
 
             | reference=Tropicos.org. Missouri Botanical Garden. 19 Mar 2014 <http://www.tropicos.org/Image/100285389>
 
             | reference=Tropicos.org. Missouri Botanical Garden. 19 Mar 2014 <http://www.tropicos.org/Image/100285389>
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| companyimage2=Kewlogo.gif
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| companyURL2=http://specimens.kew.org/herbarium/K000195686
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| image2=Euphrasia_officinalis_Kew_imageBarcode=K000195686_98404.jpg
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| source2=Royal Botanic Gardens, Kew.
  
 
             | }}
 
             | }}
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=Macroscopic Characteristics=
 
=Macroscopic Characteristics=
  
=Microscopic Characteristics=
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{{ Media2   | cat=Macroscopy
{{Media2 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories
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            | source=PlantaPhile
             | companyimage= AP-LOGO-Laboratories Crop - Copy.jpg
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            | mainimage=PlantaPhile - 3012.jpg
             | companyURL=http://www.alkemist.com
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             | companyimage=PlantaPhile logo.jpg
             | mainimage=Eyebright-1.jpg
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             | companyURL=http://plantaphile.com/
             | caption1=Red pigmented fragment of the anther as a result of the reaction with chloral hydrate observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
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| source2=Elan M. Sudberg, Alkemist Laboratories
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             | source2=PlantaPhile
             | companyimage2= AP-LOGO-Laboratories Crop - Copy.jpg
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             | image2=PlantaPhile - 2644.jpg
             | companyURL2=http://www.alkemist.com
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             | companyimage2=PlantaPhile logo.jpg
            | image2=Eyebright-2.jpg
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             | companyURL2=http://plantaphile.com/
            | caption2=Thick-walled trichome showing rough cuticle observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
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            | characteristics=cellular structures identified in this botanical specimen are the red pigmented fragment of the anther as a result of the reaction with chloral hydrate and the thick-walled trichome showing rough cuticle when observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
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            | reference=Herbal Drugs and Phytopharmaceuticals, Max Wichtl, 3rd ed., 2004
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             | }}
 
             | }}
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=Microscopic Characteristics=
  
 
=High Performance Thin Layer Chromatographic Identification=
 
=High Performance Thin Layer Chromatographic Identification=

Latest revision as of 18:57, 19 July 2016

AHPA recognizes other valuable resources exist regarding the identity of Euphrasia stricta.

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

Contents

Nomenclature

Euphrasia stricta J.P. Wolff ex J.F. Lehm.   Scrophulariaceae  
Syn. Euphrasia officinalis  
Standardized common name (English): eyebright

Botanical Voucher Specimen

bottomright bottomright

Euphrasia officinalis Tropicos 100285389.jpg
Source: MOBOT, Tropicos.org[1]

Euphrasia officinalis Kew imageBarcode=K000195686 98404.jpg
Source: Royal Botanic Gardens, Kew.[2]


Organoleptic Characteristics

E. officinalis is a small annual plant without odor, and of a bitterish, astringent taste.

Source: United States Dispensatory (1918) [3]

Macroscopic Characteristics

bottomright bottomright

PlantaPhile - 3012.jpg
Source: PlantaPhile[4]

PlantaPhile - 2644.jpg
Source: PlantaPhile[5]

Microscopic Characteristics

High Performance Thin Layer Chromatographic Identification

AP-LOGO-Laboratories Crop - Copy.jpg
(thumbnail)
Euphrasia officinalis HPTLC ID - Vanillin/Sulfuric Acid Reagent UV 365 nm

Eyebright (aerial parts) (Euphrasia officinalis)

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

  1. 2 μL Aucubin ~0.1% in CH3OH
  2. 3 μL Euphrasia officinalis-1 (aerial parts)
  3. 3 μL Euphrasia officinalis-2 (aerial parts)
  4. 3 μL Euphrasia officinalis-3 (aerial parts)
  5. 3 μL Euphrasia officinalis-3 (aerial parts)
  6. 3 μL Euphrasia officinalis-4 (aerial parts)
  7. 3 μL Euphrasia officinalis-5 (aerial parts)
  8. 2 μL Catalpol ~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 Laboratories, Costa Mesa, CA. 

Stationary Phase Silica gel 60, F254, 10 x 10 cm HPTLC plates 

Mobile Phase chloroform: methanol: water [6/4/0.4] 

Sample Preparation Method 0.3 g + 3 ml CH3OH sonicated + heated @ 50° C ~ 1 hr 

Detection Method Vanillin/H2SO4 Reagent -> 110° C 5 min -> UV 365 nm 

Reference see Herbal Drugs and Phytopharmaceuticals, Max Wichtl, 3rd ed., 2004


Source: Elan M. Sudberg, Alkemist Laboratories [6]


Supplementary Information

Sources

  1. MOBOT, Tropicos.org http://www.tropicos.org/Image/100285389
  2. Royal Botanic Gardens, Kew. http://specimens.kew.org/herbarium/K000195686
  3. United States Dispensatory (1918)
  4. PlantaPhile http://plantaphile.com/
  5. PlantaPhile http://plantaphile.com/
  6. Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
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