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This work for the first time identified the phytochemical constituents of leaves, fruits, stem barks and wood branches
extracted from the tree pruning wastes of Leucaena leucocephala (Lam.) de Wit. Grown in Egypt, showing 49, 29, 34 and 27
phytocomponents, respectively, as assayed by Gas chromatograph-Mass Spectroscopy (GC-MS) analysis. The major components
of leaves were 1,2-benzenedicarboxylic acid, mono (2-ethylhexyl) ester (17.67%), betulin (15.68%), lupeol (14.67%), androstan-
17-one,3-ethyl-3-hydroxy-, (5à)- (12.34%), 9,12,15-octadecatrienoic acid, methyl ester, (Z,Z,Z)- (11.63%), betamethasone
(9.73%), and a-sitosterol (9.08). The major phyto components of fruits were ?-sitosterol (55.66%), 3beta-hydroxy-5-cholen-
24-oic acid (48.70%), 1,2-benzenedicarboxylic acid, mono(2-ethylhexyl) ester (42.86%), lupeol (29.33%), betulin (15.76%),
stigmasterol (12.83%), and campesterol (7.55%). The major phyto components of stem barks were 1,2-benzenedicarboxylic
acid, di-isooctyl ester (65.73%), ?-sitosterol (27.16%), betulin (22.06%), lupeol (21.08%) and 9,12-octadecadienoic acid (Z,Z)-,
methyl ester (8.81%). Wood branches contained ?-sitosterol (60.09%), 1,2-benzenedicarboxylic acid, mono (2-ethylhexyl) ester
(47.18%), lupeol (22.53%), campesterol (15.64%), and stigmasterol (14.09%). Most identified compounds have been reported
to possess important biological activities, like antimicrobial, anti-inflammatory, anticancer, anti-arthritic, antioxidant, and
anti-diabetic activities, etc. The four constituents of L. leucocephala were statistically independent in these phyto components.
The phyto components in five solvents were mixed in describing the four traits. These traits of L. leucocephala are potential
bio-resources for phytopharm.
Mohamed Zaky Zayed is a Lecturer and Researcher of the Department of Forestry and Wood Technology at Alexandria University, Alexandria, Egypt. He has worked as a Visiting Associate Professor at South China University, China. He has completed his Bachelor’s degree from Alexandria University, Egypt in Agriculture Science and Masters in Forestry from the Alexandria University, Egypt. He has completed his PhD in Forestry from University Malaysia Sarawak, Sarawak, Malaysia. He has worked as an Assistant Lecturer at the Department of Forestry and Wood Technology at Alexandria University, Egypt.