Results 91 to 100 of about 73,024 (308)

Phenolics, depsides and triterpenes from the chilean lichen pseudocyphellaria nudata (zahlbr.) D.J. Galloway [PDF]

open access: yes, 2008
Indexación: ScieloThe lichen Pseudocyphellaria nudata is a species endemic to southern South América. From the lichen tallus, methyl orsellinate, 2-methoxy-3,6-dimethyl-4-hydroxybenzaldehyde, methyl-evernate, tenuiorin, hopan-6ß,22-diol and hopan-6α,76 ...
Cuellar, M.   +4 more
core   +1 more source

Eye makeup in Northwestern Iran at the time of the Assyrian Empire: a new kohl recipe based on manganese and graphite from Kani Koter (Iron Age III)

open access: yesArchaeometry, EarlyView.
Abstract Kohl was ubiquitous in ancient Egypt and the Middle East, and routinely included among the toiletries deposited in burials. For Egypt, kohl recipes are increasingly well‐studied and known to use a range of inorganic and organic ingredients. Although these are often lead‐based, manganese‐ and silicon‐rich compounds are also attested.
Silvia Amicone   +7 more
wiley   +1 more source

Triterpenes from Kadsura coccinea

open access: yesJournal of Traditional and Complementary Medicine, 2012
In vitro anti-allergic screening of medicinal herbal extracts revealed that the 80% acetone extract of the rhizome of Kadsura coccinea inhibited nitric oxide (NO) production in a lipopolysaccharide (LPS) and recombinant mouse interferon-γ (IFN-γ) activated murine macrophage like cell line, RAW264.7. Further fractionation of the EtOAc extract led to the
Hai-Xia Li   +5 more
openaire   +3 more sources

Natural‐based antioxidants in cosmeceuticals: Extraction, bioavailability and skin ageing applications

open access: yesInternational Journal of Cosmetic Science, EarlyView.
Natural antioxidants from plants, fruits, seeds and fungi combat ageing by neutralizing free radicals, boosting collagen and protecting against UV damage. Enhanced by green extraction and smart delivery systems, they offer powerful anti‐inflammatory and antimicrobial benefits.
Hossein Omidian   +2 more
wiley   +1 more source

Biotransformation of ent-beyerenes with mucor plumbeus [PDF]

open access: yes, 2013
Indexación: Web of Science; Scielo.ABSTRACT The microbiological transformation of ent-beyer-15-en-18-ol 1 and ent-beyer-15-en-19-ol 2, using Mucorplumbeus, resulted in hydroxylated products.
Chamy, María Cristina   +3 more
core   +1 more source

Triterpenes from Euphorbia rigida

open access: yesPharmacognosy Research, 2010
Phytochemical studies of the aerial parts of Euphorbia rigida afforded three triterpenes: betulin (1), cycloart-23Z-ene-3, 25-diol (2) and cycloartan-3, 24, 25-triol (3), firstly isolated from this plant. The structures and relative stereochemistry were determined on the basis of extensive spectroscopic analyses, including 1D and 2D NMR experiments (1H
Gherraf, Noureddine   +9 more
openaire   +3 more sources

Diuretic Activity of Compatible Triterpene Components of Alismatis rhizoma

open access: yesMolecules, 2017
Alismatis rhizoma (AR), the dried rhizoma of Alisma orientale Juzepzuk (Alismataceae), is a traditional Chinese medicine. AR is an important part of many prescriptions and is commonly used as a diuretic agent in Asia.
Xue Zhang   +8 more
semanticscholar   +1 more source

The Effect of Myrtacine and Celastrol‐Enriched Extract on Cutibacterium acnes Extracellular Vesicles

open access: yesInternational Journal of Dermatology, EarlyView.
Myrtacine alone, Celastrol‐enriched extract alone, or the combination of both ingredients were added to the culture medium either before (preventive condition) or after (modulating condition) incubation with C. acnes IA1 extracellular vesicles (EVs) from healthy and acne skin in immortalized keratinocytes (HaCaT cells) and human skin explants.
Caroline T. Cheung   +7 more
wiley   +1 more source

Three Novel Triterpenoids from Taraxacum officinale Roots

open access: yesMolecules, 2016
Three novel lupane-, bauerane-, and euphane-type triterpenoids (1–3), in addition to seven known triterpenoids (4–10)—18β,19β-epoxy-21β-hydroxylupan-3β-yl acetate (4), 21-oxolup-18-en-3β-yl acetate (5), betulin (6), officinatrione (7), 11α-methoxyolean ...
Takashi Kikuchi   +4 more
doaj   +1 more source

Mosquito Larvicidal Constituents from Lantana Viburnoides SP Viburnoides Var Kisi (A. rich) Verdc (Verbenaceae). [PDF]

open access: yes, 2008
\ud \ud Lantana viburnoides sp viburnoides var kisi is used in Tanzania ethnobotanically to repel mosquitoes as well as in traditional medicine for stomach ache relief.
Gikonyo, Nicholus K   +5 more
core  

Home - About - Disclaimer - Privacy