SOME EXTRACTIVES FROM POPULUS BALSAMIFERA L. AND OPUNTIA FRAGILIS Nutt.
Date
1967-03
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
ORCID
Type
Degree Level
Masters
Abstract
The purpose of this thesis is to give an account of a systematic investigation carried out on the extractives of Populus balsamifera and Opuntia fragilis.
Salicaceae (the Willow family) consist of the Populus (Poplar) genus and the Salix (Willow) genus. Eight species of the Populus genus are known in North America (1) (Schematic I). Of these eight species, only P. balsamifera, P. tremuloides, and P. trichocarna have drawn the attention of research workers. However P. tremula (European Aspen) and P. grandid-entata found elsewhere have been studied quite extensively.
The buds (Balm of Gilead) of P. balsamifera (or P. tacamahaca, other— wise known as Balsam poplar) have been studied in reasonable detail, where—as considerably less work has been reported on the bark and heartwood; virtually- nothing has been done on the leaves. A study by Farwell (2) showed that commercial Poplar buds are collected from P. balsamifera Linn, and P. tacamahaca Mill. Goris and Canal (3), working with the fresh buds 7 of P. balsamifera, isolated 2',6-dihydroxy-4-methoxyll-phenylpropiophenone (I) from the oil which was identical to the synthetic material they later synthetized (4). Further studies on P. balsamifera buds by Goris and
Canal (5) established the presence of asparagine, saccharose, salicoside, cinnamic, propionic, butyric, E-hydroxybenzoic, 3,4-dihydroxycinnamic and 213-dihydrcxybenzoic acids; a sesquiterpene alcohol, the cinnamyl and phenylethyl esters of cinnamic and lignoceric acids,
hydrocarbons C25H52, C27H56, and C29H60, as well as acetophenone, the 1 2,46- dihydrOXY- 4
V -methoxy—p—phenylpropiophenone which they reported earlier.
Description
Keywords
Populus balsamifera, Opuntia fragilis
Citation
Degree
Master of Science (M.Sc.)
Department
Pharmacy