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Processes, 2023 Today, there is an increasing interest in antioxidants, especially to prevent the known harmful effects of free radicals in human metabolism and their deterioration during processing and storage of fatty foods. In both cases, natural-source antioxidants are preferred over synthetic antioxidants.
İlhami Gülçin, Saleh Alwasel
exaly +3 more sources
Genesis and development of DPPH method of antioxidant assay [PDF]
Journal of Food Science and Technology, 2011 α, α-diphenyl-β-picrylhydrazyl (DPPH) free radical scavenging method offers the first approach for evaluating the antioxidant potential of a compound, an extract or other biological sources. This is the simplest method, wherein the prospective compound or extract is mixed with DPPH solution and absorbance is recorded after a defined period.
Sagar B, Kedare, R P, Singh
exaly +3 more sources
Sains Natural, 2023 Tampoi (Baccaurea macrocarpa (Miq.) Mull.Arg) is a member of the genus Baccaurea which is distributed mainly in the regions of Borneo and Sumatra. The use of tampoi can be done by exploring the potential of tampoi plants as medicinal plants. The research
Sujarwati +3 more
doaj +1 more source
Indonesian Journal of Pharmaceutical Education, 2023 The body's defense that functions to neutralize free radicals is antioxidants. The Peperomia pellucida is a medicinal plant that has secondary metabolite compounds such as alkaloids, flavonoids, saponins, tannins and steroids.
Ni Putu Putri Cahya Anggreni +3 more
doaj +1 more source
QUALITATIVE CHEMICAL PROFILE AND BIOLOGICAL ACTIVITY OF BROWNEA GRANDICEPS JACQ. (FABACEAE) LEAVES AND STEMS EXTRACTS [PDF]
Natural Resources and Sustainable Development, 2022 The hexane, dichloromethane, and methanol extracts obtained from aerial parts of Brownea grandiceps Jacq (Fabaceae) were studied to determine the antioxidant and tick control activity. The qualitative chemical composition showed the presence of sterols
González Daisy* +3 more
doaj +1 more source
A kinetic-based stopped-flow DPPH• method
Scientific Reports, 2023 AbstractThe reaction kinetics of antioxidants with free radicals is crucial to screen their functionality. However, studying antioxidant-radical interactions is very challenging for fast electron-donor substances, such as ascorbic acid, because the reaction ends in a few seconds.
Lucrezia Angeli +2 more
openaire +3 more sources
Curry leaf (Murraya koeneigii) extract as a natural source of antioxidants for enhancing the oxidative and thermal stability of ghee [PDF]
Journal of Veterinary and Animal Sciences, 2022 Ghee is used for making various sweets and dishes in addition to its various culinary purposes. In the course of such preparations, ghee is subjected to different degrees of heat treatment which on combining with air can undergo considerable physico ...
Mohammed Arshath +5 more
doaj +1 more source
Paddy straw: an economical substrate for oyster mushroom (Pleurotus ostreatus) cultivation [PDF]
E3S Web of Conferences, 2022 Cultivation of the Pleurotus ostreatus, oyster mushroom on paddy straw without supplements was investigated to follow circular economy concept to convert agricultural waste to value added products.
Thomas Anne Sahithi Somavarapu +4 more
doaj +1 more source
Jurnal Delima Harapan, 2021 Kulit buah jeruk selama ini tidak dimanfaatkan padahal kandungan senyawa kulit jeruk yang sangatlah sangatlah bervariasi salah satu senyawa yang terdapat dalam kulit jeruk jeruk adalah hesperidin yang termasuk golongan flavanoid.
Tatiana siska wardani +3 more
doaj +1 more source
The Chemistry of DPPH· Free Radical and Congeners [PDF]
International Journal of Molecular Sciences, 2021 Since the discovery in 1922 of 2,2-diphenyl-1-(2,4,6-trinitrophenyl) hydrazyl stable free radical (DPPH·), the chemistry of such open-shell compounds has developed continuously, allowing for both theoretical and practical advances in the free radical chemistry area.
openaire +2 more sources