Ilex paraguariensis (leaf)

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=Introduction=
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=Nomenclature=
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{{nomenclature | binomial=Ilex paraguariensis
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|authority=A. St.-Hil.
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|family=Aquifoliaceae
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|scn=mate
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|syn=
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|ayurvedic=
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|pinyin=
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|aka=Paraguay tea; yerba mate
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|notes= Ed. Note: The use of the accepted binomial nomenclature is generally considered to be a permissible option to the Standard Common Name in identifying botanical ingredients. In the case of the caffeine-containing Ilex paraguariensis however, it is recommended that the name "mate" be used on labeling of consumer products to avoid potential confusion. }}
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=Macroscopic Entries=
 
=Macroscopic Entries=
 
=Microscopic Entries=
 
=Microscopic Entries=

Revision as of 17:29, 14 March 2014

Contents

Nomenclature

Ilex paraguariensis A. St.-Hil.   Aquifoliaceae  
Standardized common name (English): mate

Macroscopic Entries

Microscopic Entries

Lower epidermis showing actinocytic stomata observed at 400x with Acidified Chloral Hydrate Glycerol Solution.

Source: Elan M. Sudberg, Alkemist Laboratories [1]

AP-LOGO-Laboratories Crop - Copy.jpg
Ilex paraguariensis - Alkemist Laboratories.jpg


HPTLC Entries

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

Yerba Mate (leaf) (Ilex paraguariensis)

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

  1. 2 μL Caffeine ~0.1% in CH3OH
  2. 3 μL Ilex paraguariensis-1 (leaf)
  3. 3 μL Ilex paraguariensis-2 (leaf)
  4. 3 μL Ilex paraguariensis-3 (leaf)
  5. 3 μL Ilex paraguariensis-3 (leaf)
  6. 3 μL Ilex paraguariensis-4 (leaf)
  7. 3 μL Ilex paraguariensis-5 (leaf)
  8. 4 μL Theobromine ~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 ethyl acetate: glacial acetic acid: formic acid: water [10/1.1/1.1/2.4] 

Sample Preparation Method 0.3 g + 3 ml CH3OH sonicate/heat @ 50° C ~ 1/2 hr 

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

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


Source: Elan M. Sudberg, Alkemist Laboratories [2]

Other Points of Interest


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