Buscar
Mostrando ítems 1-10 de 271
Triterpenes and saponins from Rudgea viburnioides
(1998-07-01)
A novel triterpene; viburgenin (1), has been isolated from an extract of the ripe fruit rinds of Rudgea viburnioides, together with the known saponins, arjunglucoside I and trachelosperosides B-1 and E-l, and the triterpenes ...
Triterpenes and saponins from Rudgea viburnioides
(1998-07-01)
A novel triterpene; viburgenin (1), has been isolated from an extract of the ripe fruit rinds of Rudgea viburnioides, together with the known saponins, arjunglucoside I and trachelosperosides B-1 and E-l, and the triterpenes ...
Studies on the constituents of a Brazilian folk infusion. Isolation and structure elucidation of new triterpene saponins from Ilex amara leaves
(Amer Chemical Soc, 2002-01-16)
The isolation of three new triterpene saponins 3beta-O-beta-D-glucopyranosyl-(1-->3)-alpha-L-2-O-acetylara-binopyranosylolean-12-en-28-oic acid 28-O-beta-D-glucopyranosyl ester (2), 3beta-O-beta-D-glucopyranosyl-(1-->2)- ...
Studies on the constituents of a Brazilian folk infusion. Isolation and structure elucidation of new triterpene saponins from Ilex amara leaves
(Amer Chemical Soc, 2002-01-16)
The isolation of three new triterpene saponins 3beta-O-beta-D-glucopyranosyl-(1-->3)-alpha-L-2-O-acetylara-binopyranosylolean-12-en-28-oic acid 28-O-beta-D-glucopyranosyl ester (2), 3beta-O-beta-D-glucopyranosyl-(1-->2)- ...
Characterization of triterpene saponins from gypsophila arrostii by electrospray Ionization Ion trap multiple-stage mass spectrometry
(Springer, 2021-01-26)
Saponins are natural surfactant compounds whose aqueous solutions can form stable foam and micellar solutions. Gypsophila arrostii Guss., Caryophyllaceae, represents the main source of saponins for industrial applications, ...
Novel molluscicide against Pomacea canaliculata based on quinoa (Chenopodium quinoa) saponins
(ELSEVIER SCI LTD, 2008)
A novel molluscicide against Pomacea canaliculata snails (Golden apple snail, GAS) based on quinoa saponins (Chenopodium quinoa) is presented. Quinoa is a pseudocereal extensively cultivated and consumed in Bolivia and ...
A seed-specific regulator of triterpene saponin biosynthesis in medicago truncatula
(2020-06-01)
Plants produce a vast array of defense compounds to protect themselves from pathogen attack or herbivore predation. Saponins are a specific class of defense compounds comprising bioactive glycosides with a steroidal or ...
Antifungal iridoids from the stems of Tocoyena formosa
(Soc Brasileira Quimica, 1996-07-01)
A new antifungal iridoid compound, together with three active known iridoids, galioside, galioside aglucone, and apodanthoside, as well as 3-O-beta-D-glucopyranosyl-28-O-beta-D-glucopyranosyl quinovic acid and quercetin- ...