Results 41 to 50 of about 1,096 (185)

Green Biosynthesis of Silver Nanoparticles Using Annona glabra and Annona squamosa Extracts with Antimicrobial, Anticancer, Apoptosis Potentials, Assisted by In Silico Modeling, and Metabolic Profiling

open access: yesPharmaceuticals, 2022
Annona glabra L. (AngTE) and Annona squamosa L. (AnsTE) fruits have been widely used in cancer treatment. Accordingly, their extracts were used to synthesize silver nanoparticles via a biogenic route (Ang-AgNPs) and (Ans-AgNPs), respectively.
Fatma A. Mokhtar   +10 more
doaj   +1 more source

Ethnobotanical, Phytochemical, and Pharmacological Properties of the Subfamily Nepetoideae (Lamiaceae) in Inflammatory Diseases

open access: yesPlants, 2023
Nepetoideae is the most diverse subfamily of Lamiaceae, and some species are well known for their culinary and medicinal uses. In recent years, there has been growing interest in the therapeutic properties of the species of this group regarding ...
Nancy Ortiz-Mendoza   +5 more
doaj   +1 more source

Methoxylated Flavonols and ent-Kaurane Diterpenes from the South African Helichrysum rutilans and Their Cosmetic Potential

open access: yesPlants, 2023
Chromatographic fractionation of a methanol extract of Helichrysum rutilans afforded seven known compounds. The isolated compounds were identified as 5,7,8-trihydroxy-3,6-dimethoxyflavone-8-O-2-methyl-2-butanoate (C-1), 5,7-dihydroxy-3,6,8 ...
Olugbenga K. Popoola   +3 more
doaj   +1 more source

Components from the Steamed Leaves of and their Effects on PPAR Activity in HepG2 Cells

open access: yesNatural Product Communications, 2011
Three ent -kaurane diterpenes ( 1-3 ), four lupane-triterpene glycosides ( 4-7 ), and an oleanane-triterpene glycoside ( 8 ) were isolated from the ethyl acetate and water extracts of the steamed leaves of Acanthopanax koreanum using a combination of ...
Jeong Ah Kim   +3 more
doaj   +1 more source

Theoretical Research into Anticancer Activity of Diterpenes Isolated from the Paraiban Flora

open access: yesNatural Product Communications, 2014
Many studies of the scientific literature discuss the anticancer activity of diterpenes inhibiting the Akt/IKK/NF-κB pro-survival signaling cascade, mainly by the activation of serine/threonine phosphatase PP2A.
Luciana Scotti   +6 more
doaj   +1 more source

Chemistry and Biological Activities of Terpenoids from Copaiba (Copaifera spp.) Oleoresins

open access: yesMolecules, 2012
Copaiba oleoresins are exuded from the trunks of trees of the Copaifera species (Leguminosae-Caesalpinoideae). This oleoresin is a solution of diterpenoids, especially, mono- and di-acids, solubilized by sesquiterpene hydrocarbons. The sesquiterpenes and
Jamilly Kelly Oliveira Neves   +5 more
doaj   +1 more source

Five new ent-kaurane diterpenes from Annona squamosa L. pericarps

open access: yes, 2019
In the present study, five new ent-kaurane diterpenes including 4α-hydroxy-17,19-dinor-ent-kaurane-16-one (1), 4β-hydroxy-16β-H-18-nor-ent-kaurane-17-oic acid (2), 4β,17-dihydroxy-16α-acetoxy-18-nor-ent-kaurane (3), Annosquamosin Z (4) and 16α-H-ent ...
Ya-Yun Chen (626516)   +7 more
core   +1 more source

Diversity of the diterpenes in the leaves of Xylopia laevigata (Annonaceae) and their cytotoxicities

open access: yesQuímica Nova
The phytochemical investigation of the hexane extract which was obtained from the leaves of Xylopia laevigata (Annonaceae) produced six terpenes. Among these, five diterpenes named abieta-7,13-dien-3-one, ent-7β-acetoxy-16β-hydroxy-kaurane, 4-epi ...
Emmanoel V. Costa   +10 more
doaj   +1 more source

Kaurane-Type Diterpenes from Fern Frond Exudates

open access: yesZeitschrift für Naturforschung C, 1989
Abstract The viscid exudate found on fronds of the fern, Cheilanthes kaulfussii, consists of terpenoids in which flavonoid aglycones are dissolved. One of the terpenes is shown to be em-kaur-16-en-19-oic acid. The farinose frond exudate of Notholaena pallens contains this acid as the major constituent and its 3 R-hydroxy derivative ...
Peter Rüedi   +3 more
openaire   +1 more source

COX-2 Inhibitory Activity of Cafestol and Analogs from Coffee Beans

open access: yesNatural Product Communications, 2008
Two kaurane diterpenes, namely cafestol ( 1 ) and kahweol ( 2 ), were isolated from hydrolyzed fraction of the fixed oil of Ethiopian Coffea arabica unroasted beans, using AgNO 3 -impregnated silica gel chromatography. In addition, cafestol palmitate ( 3
Ilias Muhammad   +8 more
doaj   +1 more source

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