Results 31 to 40 of about 722,140 (315)

Eucalyptus oleosa Essential Oils: Chemical Composition and Antimicrobial and Antioxidant Activities of the Oils from Different Plant Parts (Stems, Leaves, Flowers and Fruits) [PDF]

open access: yes, 2011
Essential oils obtained by hydrodistillation from the different parts (stems, adult leaves, immature flowers and fruits) of Eucalyptus oleosa were screened for their antioxidant and antimicrobial properties and their chemical composition. According to GC-
Abderrabba, Manef   +15 more
core   +1 more source

Antioxidant Activity of Natural Hydroquinones

open access: yesAntioxidants, 2022
Secondary metabolites derived from hydroquinone are quite rare in nature despite the original simplicity of its structure, especially when compared to other derivatives with which it shares biosynthetic pathways.
Rosa M. Giner   +2 more
doaj   +1 more source

Antioxidant assays - consistent findings from FRAP and ORAC reveal a negative impact of organic cultivation on antioxidant potential in spinach but not watercress or rocket leaves [PDF]

open access: yes, 2013
Watercress (Rorippa nasturtium-aquaticum), wild rocket (Diplotaxis tenuifolia), and spinach (Spinacia oleracea) are commercial crops reported to have high concentrations of antioxidants, possibly contributing to disease prevention following human ...
Mazzer, Alice   +5 more
core   +1 more source

Antioxidant activity and total phenolic contentof ethyl acetate extract and fractions of Lantana camara L.leaf [PDF]

open access: yes, 2020
Antioxidant activity and total phenolic contentof ethyl acetate extract and fractions of Lantana camara L ...
suryati, suryati
core  

Processing Stabilisation of PE with a Natural Antioxidant, Curcumin [PDF]

open access: yes, 2013
The potential use of natural antioxidants for polyolefin stabilisation came into the centre of attention because of some doubts about the effects of the reaction products of synthetic phenolic antioxidants on human health.
Tátraaljai, Dóra   +4 more
core   +1 more source

Antioxidant Content, Antioxidant Activity, and Antibacterial Activity of Five Plants from the Commelinaceae Family

open access: yesAntioxidants, 2014
Commelinaceae is a family of herbaceous flowering plants with many species used in ethnobotany, particularly in South America. However, thus far reports of their bioactivity are few and far between.
Joash Ban Lee Tan   +4 more
doaj   +1 more source

Study of irradiated black pepper antioxidant activity changes

open access: yesCzech Journal of Food Sciences, 2004
Some antioxidant activities of extracts of irradiated black pepper (Piper nigrum) were evaluated. The ground black pepper was exposed to gamma-irradiation at doses from 5 to 30 kGy.
M. Suhaj, J. Rácová
doaj   +1 more source

Determination of antioxidant activity and phenolic compounds in different Mexican craft beers [PDF]

open access: yes, 2022
The objective of the present study was to evaluate and compare the phenolic content (total phenols and flavonoids) and the antioxidant capacity of seventeen craft beers produced in Mexico.
Mendez-Trujillo, Vianey   +3 more
core   +2 more sources

Antioxidant status in acute stroke patients and patients at stroke risk [PDF]

open access: yes, 2004
Background and Purpose: Antioxidant enzymes like copper/ zinc superoxide dismutase (SOD), catalase and gluthatione peroxidase (GSHPx) are part of intracellular protection mechanisms to overcome oxidative stress and are known to be activated in vascular ...
Haberl, R. L.   +9 more
core   +1 more source

Influence of Packaging Material on Polyphenol Content and Antioxidant Activity in Some Commercial Beers [PDF]

open access: yes, 2020
Using two methods (ferric reducing antioxidant power and radical scavenging activity), the total polyphenol content (Folin–Ciocalteu reagent) and polyphenol patterns (HPLC) in 10 commercial lager beer brands produced in Romania was determined.
Semaghiul, Birghila   +4 more
core   +1 more source

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