Métodos para determinação de atividade antioxidante in vitro em substratos orgânicos

CQ Alves, JM David, JP David, MV Bahia, RM Aguiar - Química Nova, 2010 - SciELO Brasil
In the literature there are a considerable number of chemical and biochemical tests for
evaluation of in vitro antioxidant activities of pure compounds or fractions and organic …

Flavonoids and their glycosides, including anthocyanins

NC Veitch, RJ Grayer - Natural product reports, 2008 - pubs.rsc.org
Covering: January 2004 to December 2006. Previous review: Nat. Prod. Rep., 2004, 21, 539–
573 This review describes more than 600 new examples of naturally occurring flavonoids …

Mechanisms underlying the inhibitory actions of the pentacyclic triterpene α-amyrin in the mouse skin inflammation induced by phorbol ester 12-O …

R Medeiros, MF Otuki, MCW Avellar… - European Journal of …, 2007 - Elsevier
The present study evaluated some of the mechanisms through which α-amyrin, a pentacyclic
triterpene isolated from Protium Kleinii and other plants, exerts its effects against 12-O …

Therapeutic action and underlying mechanisms of a combination of two pentacyclic triterpenes, α‐and β‐amyrin, in a mouse model of colitis

CE Vitor, CP Figueiredo, DB Hara… - British Journal of …, 2009 - Wiley Online Library
Background and purpose: α‐and β‐amyrin are pentacyclic triterpenes found in plants and
are known to exhibit pronounced anti‐inflammatory effects. Here, we evaluated the effects of …

Methylated derivatives of myricetin enhance life span in Caenorhabditis elegans dependent on the transcription factor DAF-16

C Büchter, D Ackermann, S Honnen, N Arnold… - Food & function, 2015 - pubs.rsc.org
Only certain flavonoids have been shown to enhance life span. This was pointed out for eg
myricetin in the nematode Caenorhabditis elegans. However, the structural requirements …

[PDF][PDF] Anthraquinones, sterols, triterpenoids and xanthones from Cassia obtusifolia

SVT Sob, HK Wabo, AT Tchinda, P Tane… - Biochemical …, 2010 - academia.edu
The genus Cassia belongs to the medically and economically important family Leguminosae
(Syn. Fabaceae), sub-family Caesalpinioideae.(Joshi and Kapoor, 2003). It consists of about …

Mechanisms underlying the cardiovascular effects of a labdenic diterpene isolated from Moldenhawera nutans in normotensive rats

S Lahlou, CA de Barros Correia Jr, MV Dos Santos… - Vascular …, 2007 - Elsevier
Cardiovascular effects of Labd-8 (17)-en-15-oic acid (Labd-8), a labdenic diterpene isolated
from methanolic extract of Moldenhawera nutans were investigated in normotensive rats …

Traditional Uses, Phytochemistry, and Pharmacology of Elegia Species: A Review

P Lymperis, EM Tomou, MN De Canha, N Lall… - Scientia …, 2021 - mdpi.com
In South Africa, plants belonging to the Restionaceae family possess an ecological
dominance. As a result, they have been the subject of numerous morphological, anatomical …

Flavonoid glycosides from the fruits of Embelia ribes and their anti-oxidant and α-glucosidase inhibitory activities

Y Qin, JP Chen, CY Li, LJ Zhu, X Zhang… - Journal of Asian …, 2021 - Taylor & Francis
Three new flavonoid glycosides, embeliaflavosides AC (1–3), together with eight known
flavonoid glycosides (4–11), were isolated from the fruits of Embelia ribes. Their structures …

Three quinolinone alkaloid − phenylpropanoid adducts from Melicope pteleifolia

TH Nguyen, THT Nguyen, TPT Dang… - Natural Product …, 2022 - Taylor & Francis
Preliminary in vitro cytotoxic test on different extracts of Melicope pteleifolia collected at Dăk
Nong province, Vietnam showed that the n-hexane one was the most potent. From this n …