Juglans nigra (hull)
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Nomenclature
Juglans nigra L. Juglandaceae
Standardized common name (English): black walnut
Botanical Voucher Specimen
Organoleptic Characteristics
Macroscopic Characteristics
Microscopic Characteristics
High Performance Thin Layer Chromatographic Identification
Black Walnut (Hull) (Juglans nigra) Lane Assignments Lanes, from left to right (Track, Volume, Sample):
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: ethyl formate: formic acid [5/4/1] Sample Preparation Method 0.3g+3mL 50% grain EtOH sonicate/heat @~50° C ~ 1/2 hr. Detection Method Vanillin/H2SO4 Reagent -> 110° C 5 min -> UV 365 nm Reference see Method Developed by Alkemists Laboratories
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Supplementary Information
Sources
- ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com