Loh Jia, Liang
(2009)
Extraction of phytochemicals from pericarpium citri reticulatae
and spica prunella.
Other.
Universiti Sains Malaysia.
(Submitted)
Abstract
Pericarpium Citri reticulatae and Spica prune/la are two herbs commonly used in
Traditional Chinese Medicine concoctions. In this study, a Soxhlet method for the
extraction of phytochemicals from Pericarpium Citri reticulatae and Spica prunella using
methanol, n-hexane and distilled water is described. Then-hexane extract yield was very
high as compared to the other solvents. Preliminary screening of different Classes of
phytochemicals in the extracts gave adequate information that was supported by using other
sophisticated analytical techniques. It has been observed that the extraction at larger scale
be preferred to get sufficient yield and consequently a large number of components into the
extracts. The distilled water extract of Pericarpium Citri reticulatae contains saponins and
possibly flavonoids; the distilled water extract of Spica prunella contains saponins; and the
methanol extract of Spica prunella contains free acids and possibly flavonoids and tannins.
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