Studies on chemical constituents of Prosopis cineraria (L.) and interaction of phenolics with protein
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Date
2018
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CCSHAU
Abstract
Prosopis cineraria (L.) Druce is native species of Indian desert, mainly known as
“King of Desert”. Its all parts have various parmaceutical and medicinal importance. Plant
materials i.e. bark, flowers, leaves and pods of Prosopis cineraria were collected and
extracted with hot methanol by refluxing method. The respective extractives were divided
into two parts. One major part was subjected to column chromatography which affored a total
twenty-two compounds. Bark column contained four compounds namely, 24-
methylenecycloartan-3-one, Lupeol, 5,7,4‟-trihydroxy-3‟-methoxy flavanone and β- Sitosterol
while six compunds namely, Hexacosane, Tetracosyl tetracosanoate, 1- triacontanol,
Patuletin, Bis (cis-13-docosenamido) methane and β- Sitosterol from flowers of P.cineraria.
leaves afforded eight compounds namely, 1- Heptacosanol, 1- Nonadecanol, Stigmasterol,
nonacosane-15-one, 1- tetracosanoic acid, β- Sitosterol, 3-O-methoxy-D-Glucose and 13-
docosenamide. Four compounds namely, 1-heptatricontanol, 3,8,8-trimethoxy-3-piperidyl-
2,2‟binaphthalene-1,1‟,4,4‟-tetrone, β- Sitosterol and Catechin were isolated from pods of
Prosopis cineraria. Various phytochemical activities like total phenolic content, total
flavonoids, mineral contents and phenolics interaction with protein were evaluated from
methanolic extract and their fractions. Total phenolic contents were found to be maximum in
methanol fraction of pods of Prosopis cineraria while acetone fraction of pods contained
maximum total flavonoid content. P. cineraria possessed mineral content in trend of N> P>
K> Fe> Cu> Zn> Mn. Acetone fraction of pods part was found to be maximum protein
binding capacity at highest concentraction (10μg/μl). It was significantly showed that P.
cineraria has nutritionl and digestible value of various fractions by stepwise increased in the
percentage activity at different concentrations.
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