Comparative Analysis of Terpenoid Compound Profile by HPTLC in three Polygonum Species.
Publication Date : 06/12/2016
HPTLC analysis was carried out on terpenoid compounds profile in the whole-plant samples of selected Polygonum species (P. chinense, P. glabrum and P. barbatum). The methanol extract of whole-plant samples obtained from Polygonum species (P. chinense, P. glabrum and P. barbatum) showed 8, 10 and 9 compounds, respectively, and were compared with solanesol standard. Among the compounds, 7 compounds in each sample were identified as terpenoids while the others were unknown. Two terpenoid compounds each from P. chinense and P. glabrum showing same peak Rf values (0.41 & 0.77). Similarly, another one unknown compound of P. chinense and P. barbatum also showed same peak Rf values (0.11), while all other detected compounds of Polygonum species showed no similarities in their peak Rf values. The HPTLC analysis of methanol extracts of Polygonum species shows variations in the nature and number of terpenoid compounds. Key words: Polygonum species, Whole-plant samples, Methanol extracts, HPTLC analysis, Terpenoid compounds.
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