PHYTOCHEMICAL SCREENING COMPARATIVE OF THE COMMERCIAL
SAMPLES OF “ERVA-DE-BICHO” ACQUIRED BY POPULAR NAME
MENES, B.F., SANTOS, L.E., FRACASSO, J.F., MOREIRA, R.R.D.
1
Laboratory of Pharmacognosy, Department of Natural Active Principles and Toxicology,, School
of Pharmaceutical Sciences- UNESP- Univ. Estadual Paulista- Araraquara, São Paulo state-Brazil
keywords “erva-de-bicho”, phytochemical screening, Polygonum acre
1. Introduction
It is now known the importance of proving the
authenticity of a vegetable raw material which is
given
exclusively
by
their
chemical
Table 1. Results of phytochemical screening
comparative of commercial samples of the
“erva-de-bicho”
Chemichal
Reaction
Sample 1
composition, minimizing the problems that are
more frequent adulteration, the non-uniformity
of chemical composition and contamination.
The
species
of
the
genus
Sample 2
Results
Saponins
+++
+++
Tanins
Polygonum
Gelatin
Precipitacion
de-bicho”, being of Asian origin, but with
Iron salts
Coloration green Coloration green
widespread popular use in the state of Mato
Flavonoids:
(Angiospermae) are known popularly as "erva-
Grosso do Sul (Brazil) in the treatment of
hemorrhoids in the form of sitz bath. Therefore,
reaction
Taubock
Precipitacion
Fluorescent
Fluorescent
yellow-green
yellow-green
this study aimed to phytochemical screening of
commercial
samples
of
“erva-de-bicho”,
acquired and distributor of herbal medicinal and
herbal compared with results of literature to
authentic sample of Polygonum acre.
2. Methods
Through chemical testing, we characterized the
4. Conclusion
According to the results we can conclude that
the commercial samples of “erva-de-bicho”
presented the principal classes of
secundary
metabolites seconds literature.
major classes of secondary metabolites in plant
Acknowledgments
drug (“erva-de-bicho”) and which are essential
CNPq for the scholarship initiation relevant
for its pharmacological action. Techniques were
scientific PIBIC.
used seconds COSTA (1984), such as saponins foaming, tannin-gelatin reaction and iron salts,
flavonoids, and reactions Taubock).
References
CARDOSO, C.A.L.; HONDA, N.K.; DIAS, E.S. Avaliação
do perfil cromatográfico em espécies de Polygonum e
amostras comercializadas como "erva-de-bicho”. Rev. Bras.
3. Results
de Farmacognosia., v. 16, n. 2, 2006.
COSTA, A. F. Farmacognosia. Lisboa: Fundação Calouste
The results are presented in Table 1.
Gulbenkian, 1984.