incarvillea/silicio dioksidas

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[Chemical constituents from acetyl acetate extract fraction of Incarvillea delavayi].

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OBJECTIVE To investigate chemical constituents from acetyl acetate extract fraction of Incarvillea delavayi. METHODS The chemical constituents were isolated by chromatographic techniques with silica gel, Sephadex LH-20 and semipreparative HPLC. The structures of those compounds were identified by

Isolation, purification and structure identification of antioxidant compound from the roots of Incarvillea younghusbandii Sprague and its life span prolonging effect in Drosophila melanogaster.

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For the purpose of preventative treatment for oxidative stress-mediated diseases and anti-aging, a high-antioxidant compound was isolated from the roots of Incarvillea younghusbandii Sprague for the first time through silica gel column chromatography, reverse-phase C18 column chromatography and

Isolation, purification and structure identification of two phenolic glycosides from the roots of Incarvillea younghusbandii Sprague and their antioxidant activities.

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Using a bioassay-guided fractionation technique, two compounds were isolated from the roots of Incarvillea younghusbandii Sprague through silica gel, reverse-phase C18 column chromatography and reverse-phase HPLC. Their structures were identified as acteoside (1) and isoacteoside (2) by ESI-MS,

[Study on chemical constituents from Incarvillea arguta and their accelerating PC-12 cell differentiation].

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OBJECTIVE To study chemical constituents of Incarvillea arguta and their accelerating PC-12 cell differentiation. METHODS The constituents were isolated and repeatedly purified on silica gel column chromatography, and were identified on the basis of physicochemical and spectroscopic analysis. The

[Chemical constituents from roots of Incarvillea mairei].

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OBJECTIVE To study the chemical constituents of the roots of Incarvillea mairei. METHODS The chemical constituents were isolated and purified by chromatographic techniques with silica gel, Sephadex LH-20 column, and preparative TLC. Structures of the compounds were identified by spectroscopic

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