Palmaria palmata (seaweed)

Nomenclature

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

Microscopic Characteristics

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.cellular structures identified in Palmaria palmata are the epidermis of the thallus showing highly contoured surface and pink glandular material and parenchyma cells of the thallus showing pink pigmentation when viewed at 400x with Acidified Chloral Hydrate Glycerol Solution. Source: Elan M. Sudberg, Alkemist Laboratories

High Performance Thin Layer Chromatographic Identification

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): 15 μL Fucoxanthin ~0.1% in CH3OH 5 μL Palmaria palmata-1 (seaweed) 5 μL Palmaria palmata-2 (seaweed) 5 μL Palmaria palmata-3 (seaweed) 5 μL Palmaria palmata-3 (seaweed) 5 μL Palmaria palmata-4 (seaweed) 5 μL Palmaria palmata-5 (seaweed) 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