Palmaria palmata (seaweed)

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AHPA recognizes other valuable resources exist regarding the identity of Palmaria palmata.

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Contents

Nomenclature

Palmaria palmata (L.) Kuntze   Palmariaceae  
Syn. Rhodymenia palmata (L.) Grev.  
Standardized common name (English): dulse

Botanical Voucher Specimen

Organoleptic Characteristics

Macroscopic Characteristics

Microscopic Characteristics

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Palmaria palmata (L.) Kuntze -Palmariaceae--1.jpg
Epidermis of the thallus showing highly contoured surface and pink glandular material of Palmaria palmata when viewed at 400x with Acidified Chloral Hydrate Glycerol Solution.
Source: Elan M. Sudberg, Alkemist Laboratories[1]

Palmaria palmata (L.) Kuntze -Palmariaceae--2.jpg
Parenchyma cells of the thallus showing pink pigmentation of Palmaria palmata when viewed at 400x with Acidified Chloral Hydrate Glycerol Solution.
Source: Elan M. Sudberg, Alkemist Laboratories[2]

High Performance Thin Layer Chromatographic Identification

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Palmaria palmata HPTLC ID - 10% Ethanolic H2SO4 ->115° C 15 min -> UV 365 nm

Dulse (seaweed) (Palmaria palmata)

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

  1. 15 μL Fucoxanthin ~0.1% in CH3OH
  2. 5 μL Palmaria palmata-1 (seaweed)
  3. 5 μL Palmaria palmata-2 (seaweed)
  4. 5 μL Palmaria palmata-3 (seaweed)
  5. 5 μL Palmaria palmata-3 (seaweed)
  6. 5 μL Palmaria palmata-4 (seaweed)
  7. 5 μL Palmaria palmata-5 (seaweed)
  8. 15 μL Fucoxanthin ~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 cyclohexane: ethyl acetate: propionic acid [6/3.8/0.2] 

Sample Preparation Method 0.3 g + 3 ml 80% CH3OH sonicated + heated @ 50° C ~ 1 hr 

Detection Method 10% Ethanolic H2SO4 ->115° C 15 min -> UV 365 nm 

Reference see Adapted from Pharmacognosy Phytochemistry Medicinal Plants, Bruneton, J. 1995


Source: Elan M. Sudberg, Alkemist Laboratories [3]

Supplementary Information

Sources

  1. Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
  2. Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
  3. Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
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