PROXIMATE, MACRO ELEMENTAL AND GC-MS ANALYSIS OF Sorbaria tomentosa
PROXIMATE, MACRO ELEMENTAL AND GC-MS ANALYSIS OF Sorbaria tomentosa
Shabnam Javed1, Amna Shoaib2 and Zaid Mehmood1
ABSTRACT
Sorbaria tomentosa (Lindl.) Rehder of the family Rosaceae, is a wild, medicinal plant, native
to the Himalayas. Proximate composition gives important information to assess the
suitability of medicinal flora or their extracts taken orally by the trivial communities. In the
current study, different proximate parameters like carbohydrate, ash, protein, moisture
content and fat, along with carbon, hydrogen, nitrogen and sulphur were analyzed in whole
plant of S. tomentosa. The results revealed the occurrence of considerable proportion of
carbohydrates (52%) and protein (23.80%). Moisture, fat and ash contents were found in
small amount i.e. 6.25%, 2.02% and 0.20%, respectively. Elemental analysis displayed the
highest content of carbon (44.92%) followed by hydrogen (6.16%), nitrogen (5.17%) and
sulphur (0.43%). GC-MS analysis of n-hexane fraction of S. tomentosa led to identification
of five compounds viz. 3,13-dimethylpentadecanoic acid (1), 2,4-dimethyltetradecanoic acid
(2), 2,4-heptadecadienoic acid; ethyl ester (3), 2-butyl cyclopropane dodecanoic acid (4)
and heptadecanoic acid; ethyl ester (5). Further isolation and identification of active
constituents in S. tomentosa could confirm the discovery of novel plant drugs.
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March 2021
Vol. 27, Iss. 1
