Results 21 to 30 of about 161,711 (240)
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]
, 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
Synthesis, DPPH and ABTS Activity of Novel Furfuryl-Chalcone Derivatives
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2022 In this study, novel furfuryl-chalcone derivatives substituted sulfonyl chloride or sulphonamide were synthesized. Their antioxidant properties were investigated via DPPH and ABTS assays. All furfuryl-chalcones had high antioxidant properties. Among them,
Zuhal Şahin, Enes Akgün, Fatih Sönmez
doaj
Potensi Antioksidan Rumput Laut Gracilaria verrucosa Dari Pantai Gunung Kidul, Yogyakarta
Jurnal Kelautan Tropis, 2019 Gracilaria verrucosa is red algae that has been widely used as an antioxidant. This research was conducted to test antioxidant activity, total phenolic content and bioactive compound of Gracilaria verrucosa obtained from Pok Tunggal Beach and Ngandong ...
Wahyu Febrianto +4 more
doaj +1 more source
Aktivitas Peredaman Radikal Bebas Dpph Ekstrak Air dan Ekstrak Etanol Biji Kopi Ateng Karo
, 2022 Background: Ateng Karo coffee beans (Coffea arabica L.) was a coffee plant that belongs to the Rubiaceae family. This coffee beans has various benefits, one of them as an antioxidant.
Febriyana, Sri Eka
core
Antioxidants, 2020 Essential oils are an important source of natural antioxidants and multiple methods have been established for evaluation of their overall antioxidant activity, however, the antioxidant activities of their compounds are less investigated.
Xiang Wang +5 more
doaj +1 more source
DPPH-Scavenging Activities and Structure-Activity Relationships of Phenolic Compounds
Natural Product Communications, 2010 Thirty-eight phenolic compounds (including 31 flavonoids) were examined for their DPPH radical-scavenging activities, and structure-activity relationships were evaluated.
Cheng-Dong Zheng +5 more
doaj +1 more source
Antioxidants, 2023 This study reports on the total phenolic content and antioxidant activity as well as the phenolic compounds that are present in Calothamnus spp. (Red Bell), Agonis flexuosa (Coastal Peppermint), Corymbia calophylla (Marri) and Eucalyptus marginata ...
Ivan Lozada Lawag +5 more
doaj +1 more source
ANTIOXIDANT ACTIVITY LEAVES KATIMAHA (Kleinhovia hospita L.)
Biovalentia: Biological Research Journal, 2022 The free radicals that people face in their daily activities require humans to get additional antioxidants from the outside. To overcome this problem, it is necessary to look for many sources of natural antioxidants considering the need for antioxidants ...
Nova Elda Utami +2 more
doaj +1 more source
Kinetics of DPPH• scavenging by bacterioruberin from Haloferax alexandrinus GUSF-1 (KF796625)
Journal of Analytical Science and Technology, 2021 This is the first account of the kinetics of free radical scavenging by bacterioruberin obtained from cells of Haloferax alexandrinus GUSF-1(KF796625), grown at optimum conditions of 25% NaCl, pH 7, 42 °C, 150 rpm in NaCl Tryptone yeast extract medium ...
Jyothi Judith Alvares +1 more
doaj +1 more source
Kinetic behaviour of DPPH radical scavenging activity of tomato waste extracts [PDF]
Journal of the Serbian Chemical Society, 2012 The kinetic behaviour of tomato waste extracts (obtained from six genotypes) and standard antioxidant compounds (ascorbic and caffeic acid) were investigated using 2,2-diphenyl-1-picrylhydrazyl radical test.
Ćetković Gordana S. +3 more
doaj +1 more source