Results 21 to 30 of about 582,976 (313)

Amperometric enzyme sensor to check the total antioxidant capacity of several mixed berries. comparison with two other spectrophotometric and fluorimetric methods [PDF]

open access: yes, 2015
The aim of this research was to test the correctness of response of a superoxide dismutase amperometric biosensor used for the purpose of measuring and ranking the total antioxidant capacity of several systematically analysed mixed berries.
CAMPANELLA, Luigi   +4 more
core   +2 more sources

Biochemical Components and in Vitro Antioxidant Activities of Large-leaf Species Tea Flowers in Yunnan

open access: yesShipin gongye ke-ji, 2022
In this paper, the chemical components and in vitro antioxidant activities of Camellia sinensis, a large-leaf species in Yunnan were studied. The main biochemical indicators of 13 Yunnan large-leaf tea tree flowers and 1,1-diphenyl-2-picrylhydrazyl (DPPH)
Mengnan SHI   +3 more
doaj   +1 more source

Antioxidant capacity of eugenol derivatives

open access: yesQuímica Nova, 2009
Toxicity and antioxidant capacity of eugenol derivatives (E2 = 2-Methoxy-4-[1-propenylphenyl]acetate, E3 = 4-Allyl-2-methoxyphenylacetate, E4 = 4-Allyl-2-methoxy-4-nitrophenol, E5 = 5-Allyl-3-nitrobenzene-1,2-diol, E6 = 4-Allyl-2-methoxy-5-nitrophenyl ...
María E. Hidalgo   +5 more
doaj   +1 more source

Effect of Steaming and Boiling on the Antioxidant Properties and Biogenic Amines Content in Green Bean (Phaseolus vulgaris) Varieties of Different Colours [PDF]

open access: yes, 2017
Effects of boiling and steaming cooking methods were studied on total polyphenols, antioxidant capacity, and biogenic amines of three green bean varieties, purple, yellow, and green.The vegetables gave good values both for antioxidant capacity and for ...
Preti, Raffaella   +2 more
core   +3 more sources

A study of the antioxidant capacity of oak wood used in wine ageing and the correlation with polyphenol composition [PDF]

open access: yes, 2011
The antioxidant capacity of oak wood used in the ageing of wine was studied by four different methods: measurement of scavenging capacity against a given radical (ABTS, DPPH), oxygen radical absorbance capacity (ORAC) and the ferric reducing antioxidant ...
Alañón, M.E.   +4 more
core   +1 more source

WITHDRAWN: Dietary Antioxidant Capacity and Serum Total Oxidant/Antioxidant Capacity in Osteoarthritis

open access: yes, 2023
Abstract The full text of this preprint has been withdrawn, as it was submitted in error. Therefore, the authors do not wish this work to be cited as a reference. Questions should be directed to the corresponding author.
Beda Büşra Özalp Çolak   +3 more
openaire   +2 more sources

Matching in vitro bioaccessibility of polyphenols and antioxidant capacity of soluble coffee by Boosted Regression Trees [PDF]

open access: yes, 2015
The aim of this study was to evaluate changes in polyphenol profile and antioxidant capacity of five soluble coffees throughout a simulated gastro-intestinal digestion, including absorption through a dialysis membrane.
Baroni, María Verónica   +7 more
core   +1 more source

Black Beans, Fiber, and Antioxidant Capacity Pilot Study: Examination of Whole Foods vs. Functional Components on Postprandial Metabolic, Oxidative Stress, and Inflammation in Adults with Metabolic Syndrome. [PDF]

open access: yes, 2015
Beans (Phaseolus vulgaris) contain bioactive components with functional properties that may modify cardiovascular risk. The aims of this pilot study were to evaluate the ability of black beans to attenuate postprandial metabolic, oxidative stress, and ...
Burton-Freeman, Britt M   +5 more
core   +3 more sources

Synthesis and Determination of Total Antioxidant Capacity by Cerium(IV)-Reducing Antioxidant Capacity (CERAC) Assay of Some New Anthraquinones

open access: yesActa Chimica Slovenica, 2023
Novel anthraquinone-based antioxidant macrocycles containing amino, thio and oxo groups were synthesized and their antioxidant capacity was determined by using the Cerium(IV)-reducing antioxidant capacity (CERAC) assay. 1H-NMR, 13C-NMR, FTIR-spectroscopy
Necla Bektaş, Nihal Onul
doaj   +1 more source

Effect of freezing and processing technologies on the antioxidant capacity of fruit pulp and jelly

open access: yesBrazilian Archives of Biology and Technology, 2012
The effect of freezing and processing technology on the antioxidant capacity of grape (Vitis vinifera), apple (Malus domestica), strawberry (Fragaria x Anassa), pear (Pyrus communis L.), guava (Psidium guajava L.), and fig (Ficus carica L.) was evaluated
Cristine Maso Jeusti Bof   +3 more
doaj   +1 more source

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