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Phenylpropanoids and flavonoids from Phlomis kurdica as inhibitors of human lactate dehydrogenase.

ABSTRACT: Two flavonoids, jaceosidin 7-O-?-d-glucopyranosyl-(1?2)-?-d-glucopyranoside (1) and hispidulin 7-O-?-d-glucopyranosyl-(1?2)-?-d-glucopyranoside (2), and one phenylpropanoid, 3,3'-dimethyl-lunariifolioside (3), along with 11 known compounds (4-14), were isolated from the aerial parts of Phlomis kurdica growing in Jordan. Structures of 1-3 were elucidated on the basis of spectroscopic data. These isolated compounds were assayed for their inhibitory activity against isoform 5 of human lactate dehydrogenase. Compound 4, luteolin 7-O-?-d-glucopyranoside, showed an IC50 value comparable to that of galloflavin, used as reference compound. Docking studies were carried out to hypothesize the interaction mode of compound 4 in the enzyme active site.

SUBMITTER: Bader A 

PROVIDER: S-EPMC4466035 | biostudies-literature | 2015 Aug

REPOSITORIES: biostudies-literature

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Phenylpropanoids and flavonoids from Phlomis kurdica as inhibitors of human lactate dehydrogenase.

Bader Ammar A   Tuccinardi Tiziano T   Granchi Carlotta C   Martinelli Adriano A   Macchia Marco M   Minutolo Filippo F   De Tommasi Nunziatina N   Braca Alessandra A  

Phytochemistry 20150415

Two flavonoids, jaceosidin 7-O-β-d-glucopyranosyl-(1→2)-β-d-glucopyranoside (1) and hispidulin 7-O-β-d-glucopyranosyl-(1→2)-β-d-glucopyranoside (2), and one phenylpropanoid, 3,3'-dimethyl-lunariifolioside (3), along with 11 known compounds (4-14), were isolated from the aerial parts of Phlomis kurdica growing in Jordan. Structures of 1-3 were elucidated on the basis of spectroscopic data. These isolated compounds were assayed for their inhibitory activity against isoform 5 of human lactate dehyd  ...[more]

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