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    <subfield code="a">Rodrigues, G.A.</subfield>
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    <subfield code="a">Souza, W.C.</subfield>
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    <subfield code="a">Godinho, M.G.C.</subfield>
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    <subfield code="a">Ferreira, H.D.</subfield>
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    <subfield code="a">Vila Verde, G.M.</subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Determina&#xE7;&#xE3;o de par&#xE2;metros farmacogn&#xF3;sticos para as folhas de Erythroxylum suberosum A. St.-Hilaire (Erythroxylaceae) coletadas no munic&#xED;pio de Goi&#xE2;nia, GO.</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; Bibliography p. 1175-1176 (58 ref.); Summaries (En, Pt) </subfield>
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RESUMO: 

As plantas medicinais representam um dos principais recursos terap&#xEA;uticos utilizado
pelo homem para a cura e preven&#xE7;&#xE3;o de doen&#xE7;as, no entanto, para que o tratamento seja
seguro e eficaz &#xE9; necess&#xE1;rio conhecer seus componentes qu&#xED;micos. Dessa forma, o intuito
deste trabalho foi determinar os par&#xE2;metros farmacognosticos para o estabelecimento do
controle de qualidade da droga vegetal composta pelas folhas de Erythroxylum suberosum
A. St.-Hil., pertencentes &#xE0; fam&#xED;lia Erythroxylaceae ocorrente no Cerrado. Para tanto, foram
coletadas folhas adultas nas proximidades da Universidade Federal de Goi&#xE1;s, Goi&#xE2;niaGO. 
Foram determinados o teor de umidade por meio de balan&#xE7;a com irradia&#xE7;&#xE3;o de raios
infravermelho e o teor de cinzas totais. Na prospec&#xE7;&#xE3;o fitoqu&#xED;mica foram pesquisadas as
classes de metab&#xF3;litos secund&#xE1;rios e realizou-se o doseamento de fen&#xF3;is totais, flavonoides e
taninos totais. Os resultados dos testes de pureza realizados, teor de umidade e teor de cinzas
totais, est&#xE3;o de acordo com os limites estabelecidos pelas especifica&#xE7;&#xF5;es farmacopeicas. As
an&#xE1;lises fitoqu&#xED;micas evidenciaram a presen&#xE7;a de flavonoides, taninos, cumarinas, saponinas
e resinas. No doseamento de fen&#xF3;is totais, taninos e flavonoides presentes nas folhas de E.
suberosum A. St.-Hil. obteve-se respectivamente 17,97%, 6,31%, 3,87%. Estes resultados
confirmam os dados da literatura quanto &#xE0; presen&#xE7;a destes compostos em Erythroxylaceae,
pois de acordo com nas folhas de E. tortuosum obteve-se valores de 10%, 8,4% e 0,064% de
Fen&#xF3;is, Taninos e flavonoides, respectivamente e nas folhas de E. deciduum foram encontrados
12,04% de fen&#xF3;is totais, 0,87% de taninos e 1,37% de flavonoides. Os resultados encontrados
no presente trabalho tamb&#xE9;m se tornam relevantes quando comparadas as quantidades
desses metab&#xF3;litos com esp&#xE9;cies cl&#xE1;ssicas na bioss&#xED;ntese de compostos fen&#xF3;licos como o
teor de taninos de Stryphnodendron adstringens (Mart.) Coville e em Eugenia uniflora L. foi de
29,9% e 2,96%, respectivamente. Teores de flavon&#xF3;ides que variaram entre 0,65% a 0,79% na
Calendula officinalis L. e Ginkgo biloba L. 0,59%, 0,75% e 0,79%. Sendo assim, a quantidade
consider&#xE1;vel de compostos fen&#xF3;licos obtida em E. suberosum A. St.-Hil. sugere que a esp&#xE9;cie
possua um importante potencial terap&#xEA;utico e quem sabe potencial antioxidante, a ser explorado
em estudos posteriores.

Palavras-chave: Plantas medicinais. Prospec&#xE7;&#xE3;o fitoqu&#xED;mica. Fenois. Erythroxylum suberosum A. St.-Hil.</subfield>
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ABSTRACT: 

Determination of pharmacognostic parameters for the leaves of Erythroxylum
suberosum A. St.-Hilaire (Erythroxylaceae) collected in the city of Goiania, GO. Medicinal
plants represent a major therapeutic resources used by man for the cure and prevention of
diseases, however, that the treatment be safe and effective it is necessary to know their chemical
components. Thus, the aim of this work was to determine the pharmacognostic parameters for
the establishment of the plant drug quality control made by the leaves of Erythroxylum suberosum
A. St.-Hil., belonging to the family Erythroxylaceae occurring in the Cerrado. To this end, adult
leaves were collected near the Federal University of Goi&#xE1;s, Goi&#xE2;nia-GO. It was determined
the moisture content through scale radiating infrared rays and the content of total ash. The
phytochemical screening of secondary metabolites classes were surveyed and performed
the determination of total phenols, flavonoids and total tannins. The results of the purity tests,
moisture content and total ash content, are in accordance with the limits established by the 
pharmacopeic specifications. The phytochemical analysis revealed the presence of flavonoids,
tannins, coumarins, saponins and resins. The determination of total phenols, tannins and
flavonoids quantities present in the leaves of E. suberosum A. St.-Hil. were obtained respectively
as 17.97%, 6.31%, 3.87%. These results confirm the literature data for the presence of these
compounds in Erythroxylaceae, since according to the leaves of E. tortuosum yielded values of
10%, 8.4% and 0.064% of phenols, tannins and flavonoids, respectively. On the E. deciduum
leaves were found 12.04% of total phenols, tannins 0.87% and 1.37% of flavonoids. The results
of this work also become relevant when comparing the amounts of these metabolites with classic
species in the biosynthesis of phenolic compounds such as tannins content in barbatim&#xE3;o and
pitanga was 29.9% and 2.96%, respectively. Flavonoid contents ranging from 0.65% to 0.79%
in calendula and ginkgo 0.59%, 0.75% and 0.79%. Thus, considerable amount of phenolic
compounds obtained in E. suberosum. A. St. Hil. It suggests that the species has an important
therapeutic potential and who knows antioxidant potential to be explored in further studies.

Keywords: Medicinal plants, Phytochemical screening, phenolic compounds, Erythroxylum
suberosum A. St.-Hil.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PLANTA MEDICINAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">AN&#xC1;LISE QU&#xCD;MICA</subfield>
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    <subfield code="a">FENOL</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3543</subfield>
    <subfield code="9">316142</subfield>
    <subfield code="d">Botucatu-SP Instituto de Bioci&#xEA;ncias - Departamento de Qu&#xED;mica e Bioqu&#xED;mica 1998</subfield>
    <subfield code="o">2024-2525</subfield>
    <subfield code="t">Revista Brasileira de Plantas Medicinais (Brazil)</subfield>
    <subfield code="x">1516-0572</subfield>
    <subfield code="g">v. 17(4 suppl. 3) p. 1169-1176; (2015)</subfield>
    <subfield code="w">BR2024001453</subfield>
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    <subfield code="c">Anal&#xED;tica</subfield>
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    <subfield code="c">300267</subfield>
    <subfield code="d">300267</subfield>
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