Malva sylvestris (flower)

Microscopic Entries

Spherical pollen grains, about 150 μm in diameter, with a roughly spiny exine observed at 400x with Acidified Chloral Hydrate Glycerol Solution.cellular structures identified in this botanical specimen are spherical pollen grains, about 150 μm in diameter, with a roughly spiny exine and the thick walled stellate trichomes when observed at 400x with Acidified Chloral Hydrate Glycerol Solution. Source: Elan M. Sudberg, Alkemist Laboratories

Other Points of Interest

Malva sylvestris HPTLC ID - Natural Product Reagent + PEG UV 365 nm High Mallow (flower) (Malva sylvestris) Lane Assignments Lanes, from left to right (Track, Volume, Sample): μL Rutin, Caffeic acid, Hyperoside, Chlorogenic Acid ~0.1% in CH3OH μL Malva sylvestris-1 (flower) μL Malva sylvestris-1 (flower) μL Malva sylvestris-2 (flower) μL Malva sylvestris-2 (flower) μL Malva sylvestris-3 (flower) μL Malva sylvestris-4 Vouchered Specimen (flower) μL Rutin, Caffeic acid, Hyperoside, Chlorogenic Acid ~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 Pharmaceuticals, Costa Mesa, CA.  Stationary Phase Silica gel 60, F254, 10 x 10 cm HPTLC plates  Mobile Phase ethyl acetate: HCOOH: AcCOOH: H2O [10/1.1/1.1/2.4]  Sample Preparation Method 0.3 g + 3 ml 70% grain EtOH sonicate/heat @ 50° C ~ 1/2 hr  Detection Method Natural Product Reagent + PEG -> UV 365 nm  Reference see Adapted from British Pharmacopoeia, 2003 Source: Elan M. Sudberg, Alkemist Laboratories