Results 11 to 20 of about 60,935 (313)

Microdomains heterogeneity in the thylakoid membrane proteins visualized by super-resolution microscopy

open access: yesPhotosynthetica, 2023
The investigation of spatial heterogeneity within the thylakoid membrane (TM) proteins has gained increasing attention in photosynthetic research. The recent advances in live-cell imaging have allowed the identification of heterogeneous organisation of ...
R. KAŇA, B. ŠEDIVÁ, O. PRÁŠIL
doaj   +1 more source

Effect of boiling, steaming, stir-frying and microwave cooking on the antioxidant potential of peppers of varying pungency

open access: yesCogent Food & Agriculture, 2020
The effect of microwave cooking, steaming, stir-frying and boiling on the antioxidant potential of bell peppers (red and green), jalapeno, cayenne, serrano and habanero peppers was investigated. Antioxidant potential was measured employing two techniques:
Nixon O. Mwebi, Brian M.O. Ogendi
doaj   +1 more source

Antioxidant activity and GC-MS profile of Conyza bonariensis L. leaves extract and fractions

open access: yesRevista Facultad Nacional de Agronomía Medellín, 2020
The 2,2-diphenyl-1-picrylhydrazyl (DPPH), ferric reducing power (FRAP), and semivolatile compounds of Conyza bonariensis L. leave extract and fractions are discussed. A methanolic crude extract was obtained through maceration, and subsequently, n-hexane,
Rafael Viteri Espinoza   +5 more
doaj   +1 more source

Lonicera iberica M. Bieb.: Investigation Antioxidant Activity and Bioactive Chemicals

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2021
In this study, it was investigated the total amounts of phenolic and flavonoid substances and antioxidant activities in different solvent extracts of Lonicera iberica M. Bieb. wild fruit.
Fatma Ergün
doaj   +1 more source

ANTIOXIDANT ACTIVITIES USING DPPH, FIC, FRAP, AND ABTS METHODS FROM ETHANOLIC EXTRACT OF LEMPUYANG GAJAH RHIZOME (Zingiber zerumbet (L.) Roscoeex Sm.)

open access: yesJurnal Kimia Riset, 2022
One of the Zingiber species that has long been used as traditional medicine by local Indonesian people is lempuyang (Zingiber ssp.). In its use as traditional medicine, it is more often used than other types of lempuyang, namely the lempuyang gajah ...
Jamilatur Rohmah
doaj   +1 more source

Compuestos fenólicos y actividad antioxidante de los extractos de la hoja de chirimoya (Annona cherimola Mill)

open access: yesRevista Colombiana de Química, 2019
Después de la cosecha del fruto chirimoya, los árboles liberan enormes cantidades de hojas, las cuales son quemadas por los agricultores. Este trabajo muestra que las hojas pueden ser usadas para nuestro beneficio como antioxidante.
Gloria Sanchez-Gonzales   +4 more
doaj   +1 more source

Differences in antioxidant properties of ginkgo leaves collected from male and female trees

open access: yesActa Pharmaceutica, 2015
Total phenolic content and antioxidant capacity (FRAP method) of Ginkgo biloba L. leaves collected from male and female trees were determined and compared. Different water and aqueous ethanolic (water/ethanol 80/20, V/V) extracts were prepared by varying
Koczka Noémi   +3 more
doaj   +1 more source

Phytochemical Screening and Assessment of The Antioxidant Activity of Bio-phenols of Olive Oil Mill Wastewater From The Cold Extraction of Olive Oil in Khenchela Region Eastern of Algeria

open access: yesRevue des Énergies Renouvelables, 2022
The objective of this study was to evaluate in vitro the antioxidant activity of polyphenols from olive oil mill wastewater in Khenchela region eastern of Algeria after conducting a phytochemical screening.
Zakia Gueboudji   +2 more
doaj   +1 more source

Evaluation of the oxidative status of periparturient mares supplemented with high amount of α-tocopherol

open access: yesItalian Journal of Animal Science, 2019
Aim of the study was to investigate the oxidative status during peripartum period in mares fed high amount of dietary α-tocopherol. α-Tocopherol, ferric reducing ability of plasma (FRAP) and reactive oxygen metabolites (d-ROMs) levels were measured in ...
Francesca Martuzzi   +5 more
doaj   +1 more source

The Antioxidant Activity of Prenylflavonoids

open access: yesMolecules, 2020
Prenylated flavonoids combine the flavonoid moiety and the lipophilic prenyl side-chain. A great number of derivatives belonging to the class of chalcones, flavones, flavanones, isoflavones and other complex structures possessing different prenylation ...
Clementina M. M. Santos   +1 more
doaj   +1 more source

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