G. Delgado

Publications64
h-index20
Citations972
Highly Influential Citations38
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Cytotoxic isoflavans from Eysenhardtia polystachya.
Two new cytotoxic isoflavans, (3S)-7-hydroxy-2',3',4',5', 8-pentamethoxyisoflavan (1) and (3S)-3',7-dihydroxy-2',4',5', 8-tetramethoxyisoflavan (2), were isolated from the bark and trunks of… Expand
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Five new steroidal saponins from Solanum chrysotrichum leaves and their antimycotic activity.
Using bioactivity-directed isolation procedures, five new spirostan saponins and two sterol glycosides have been isolated from Solanum chrysotrichum leaves. The structure of these compounds was… Expand
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Antispasmodic and antimicrobial diterpenic acids from Viguiera hypargyrea roots.
Two spasmolytic diterpene acids, ent-beyer-15-en-19-oic acid and ent-kaur-16-en-19-oic acid, have been isolated from the roots of Viguiera hypargyrea by bioassay-guided fractionation. Beyerenoic acid… Expand
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Bioactive oleanolic acid saponins and other constituents from the roots of Viguiera decurrens.
The bisdesmoside oleanolic acid saponin, 3-0-(methyl-beta-D-glucuronopyranosiduronoate)-28-0-beta-D-glucopyranosyl-oleanolate along with nine known compounds (two diterpenic acids, one chromene,… Expand
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Two antimicrobial alkaloids from Bocconia arborea.
Two alkaloid constituents of Bocconia arborea showed considerable antimicrobial activity against gram-positive and gram-negative bacteria and Candida albicans. Bioactivity-guided fractionation with… Expand
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Two new cassane-type diterpenes from Calliandra californica with antituberculosis and cytotoxic activities.
From the root of Calliandra californica two new cassane-type diterpenes were isolated and characterized, escobarine A (1) and B (2), which showed promising activities against two Mycobacterium… Expand
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Cytotoxic cis-fused bicyclic sesquiterpenoids from Jatropha neopauciflora.
Analysis of polar fractions of the bark extract of Jatropha neopauciflora provided two uncommon cis-fused bicyclic sesquiterpenoids, which were characterized as… Expand
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Antioxidant aryl-prenylcoumarin, flavan-3-ols and flavonoids from Eysenhardtia subcoriacea.
Antioxidant activity (AOA) assay-guided chemical analysis, using a rat pancreas homogenate model, of aerial parts from Eysenhardtia subcoriacea, led to isolation of the new compound subcoriacin… Expand
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True and Apparent Yields and Maintenance Coefficient and Their Significance on Fermentation Kinetics
Yield based on substrate (Yx/s) or oxygen consumption (Yx/o) is a very important parameter. This parameter indicates how efficient a fermentation is. At the same time it is very closely related with… Expand
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Bioactive polyacetylenes from Bidens pilosa.
From the methanolic extract of the whole plants of Bidens pilosa the new beta-D-glucopyranosyloxy-3-hydroxy-6(E)-tetradecen-8, 10,12-triyne besides a known polyine has been isolated and identified… Expand
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