Free Radical Scavengers
Free radical scavengers are bioactive substances that eliminate reactive free radicals. Free radicals with unpaired electrons easily damage lipids, proteins and DNA, causing oxidative stress and cell aging.
Free radical scavengers neutralize radicals by donating electrons or hydrogen atoms to form stable inert compounds. Their scavenging capacity is measured by in vitro assays including DPPH and ABTS tests.
Common natural scavengers are polyphenols, flavonoids, vitamin C and vitamin E. They are widely studied for food preservation, cosmetic anti-oxidation and treatments for oxidative damage-related diseases.
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Free Radical Scavengers Related Products (378)
Related Products (378)
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β-Selinene
0 ImagesCat. No.: HY-W747297CAS No.: 17066-67-0β-Selinene is a sesquiterpene and is the main active component of the essential oil of red purple hibiscus (Callicarpa macrophylla). β-Selinene exhibits significant related antioxidant activity, anti-inflammatory activity, and antipyretic analgesic activity. β-Selinene may exert antioxidant effects by directly scavenging free radicals (DPPH, NO, •OH) and chelating pro-oxidative metal ions (Fe²⁺); inhibit cyclooxygenase (COX) activity, reduce prostaglandin (such as PGE₂) synthesis to exert anti-inflammatory effects; regulate the thermoregulatory set point of the hypothalamus and inhibit inflammatory mediators to exert antipyretic and analgesic effects.
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α-Glucosidase-IN-68
0 ImagesCat. No.: HY-162639CAS No.: 1624628-01-8α-Glucosidase-IN-68 (Compound 2) is an inhibitor for α-Glucosidase, AChE, and BChE, with IC50 of 0.251, 0.774 and 0.793 μM, respectively. α-Glucosidase-IN-68 exhibits antioxidant efficacy, with IC50 of 0.69 μM and 0.02 μM, in DPPH and ABTS experiments. α-Glucosidase-IN-68 exhibits antidiabetic effect in Streptozotocin (HY-13753)-induced diabetic rat models.
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2,4,7-Trihydroxy-9,10-dihydrophenanthrene
0 ImagesCat. No.: HY-N7155CAS No.: 70205-52-62,4,7-Trihydroxy-9,10-dihydrophenanthrene is a dihydrophenanthrene derivative that can be isolated from the air-dried whole plant of Pholidota chinensis Lindl.. 2,4,7-Trihydroxy-9,10-dihydrophenanthrene shows potent activities of IC50 at 16.2 μM in DPPH radical-scavenging assay.
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Safflower oil (from Carthamus tinctorius seed)
0 ImagesSynonyms: Safflower seed oil (from Carthamus tinctorius seed)Safflower oil (from Carthamus tinctorius seed) is rich in unsaturated fatty acids such as linoleic acid and oleic acid, as well as tocopherols and phenolic compounds, and exhibits antioxidant, anti-aging and blood lipid-regulating effects. Safflower oil (from Carthamus tinctorius seed) inhibits the activities of collagenase and elastase, and exerts antioxidant activity by scavenging free radicals. Linoleic acid in safflower oil (from Carthamus tinctorius seed) reduces blood cholesterol levels. Safflower oil (from Carthamus tinctorius seed) can be applied to research in fields such as skin aging, atherosclerosis, edible oil processing and industrial raw material development.
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Nobilin E
0 ImagesCat. No.: HY-N21755CAS No.: 924895-49-8Nobilin E is a bibenzyl derivative isolated from the stems of Dendrobium nobile. Nobilin E exerts scavenger effects through DPPH radical scavenging and ORAC peroxyl radical scavenging. Nobilin E inhibits NO production in LPS/IFN-γ-activated mouse macrophages.
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Camelliquercetiside D
0 ImagesCat. No.: HY-N17379CAS No.: 194292-73-4Camelliquercetiside D is a natural product. Camelliquercetiside D can be isolated from the leaves of Camellia sinensis. Camelliquercetiside D inhibits alcohol dehydrogenase, with an IC50 of 41.5 μM against yeast ADH. Camelliquercetiside D exhibits scavenging activity against DPPH.
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Antibacterial agent 347
0 ImagesCat. No.: HY-183792Antibacterial agent 347 is an Antibacterial agent. Antibacterial agent 347 exhibits selective antibacterial activity against Streptococcus mutans. Antibacterial agent 347 shows moderate ABTS•+ free radical scavenging activity.
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Norisocorydine
0 ImagesNorisocorydine ((+)-Norisocorydine) is an aporphine alkaloid with antinociceptive and radical scavenging effects. Norisocorydine shows a SC50 of 14.1 μg/mL in DPPH radical scavenging test. Norisocorydine exhibits antinociceptive ability in mice.
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Eleocharin C
0 ImagesCat. No.: HY-N21600CAS No.: 1619976-98-5Eleocharin C is a dimethylallyl-substituted flavanone flavonoid that acts as a DPPH radical scavenger and is present in the peel of Eleocharis tuberosa. Eleocharin C exhibits reducing capacity in the ferric reducing assay.
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AChE/BuChE-IN-6
0 ImagesCat. No.: HY-170561CAS No.: 3105110-19-5AChE/BuChE-IN-6 (Compound 11f) is an inhibitor of AChE and BuChE, with IC50 values of 1.24 and 1.85 μg/mL, respectively. AChE/BuChE-IN-6 also exhibits strong DPPH free radical scavenging activity (IC50 = 3.15 μg/mL). In vivo toxicity studies indicate that AChE/BuChE-IN-6 is safe, showing no significant differences in blood and biochemical markers compared to the control group after long-term administration, and no abnormalities were observed in liver and kidney tissues. AChE/BuChE-IN-6 holds promise for research into Alzheimer's disease.
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Macarangin
0 ImagesCat. No.: HY-N12941CAS No.: 129385-65-5Macarangin can be isolated from propolis. Macarangin has DPPH radical-scavenging activity and shows anti-inflammatory activities via inhibiting the activation process of NLRP3 inflammasome.
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Urolignoside
0 ImagesCat. No.: HY-133183CAS No.: 131723-83-6Urolignoside is an antioxidant with free radical scavenging activity. Urolignoside potently scavenges DPPH radical, and exhibits antioxidant to β-carotene-lineoleate model.
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(rac)-Poriol
0 ImagesCat. No.: HY-N9086ACAS No.: 70460-58-1Synonyms: 5,7,4'-Trihydroxy-6-methylflavanone(rac)-Poriol (5,7,4'-Trihydroxy-6-methylflavanone) exhibits antioxidant activity, and scavenges free radical DPPH with an IC50 of 0.18 µg/mL. (rac)-Poriol inhibits the LPS (HY-D1056)-induced NO generation in RAW264.7 (98.35% inhibition rate at 10 μM), and exhibits anti-inflammatory activity. (rac)-Poriol exhibits good binding affinity with iNOS, COX-1, COX-2, TNF-α, and IL-1β.
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Camelliquercetiside B
0 ImagesCat. No.: HY-N17378CAS No.: 1365758-45-7Camelliquercetiside B is a natural product. Camelliquercetiside B can be isolated from the leaves of Camellia sinensis. Camelliquercetiside B inhibits alcohol dehydrogenase (Alcohol dehydrogenase), with an IC50 of 13.7 μM against yeast alcohol dehydrogenase. Camelliquercetiside B exhibits scavenging activity against DPPH free radicals.
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Taxoquinone
0 ImagesCat. No.: HY-N13182CAS No.: 21764-41-0Taxoquinone is an antioxidant derived from Metasequoia glyptostroboides and belongs to the diterpenoid class of compounds. At a concentration of 150 μg/mL, Taxoquinone exhibits a maximum inhibition of DPPH radicals of 81.29%, demonstrating superior antioxidant activity compared to Ascorbic acid and α-tocopherol at the same concentration.
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AChE-IN-59
0 ImagesCat. No.: HY-157978CAS No.: 2957916-86-6AChE-IN-59 (compounds 3b) is an AChE inhibitor, with an IC50 value of 0.05 μM. AChE-IN-59 can inhibit the aggregation of Aβ1-42, protect nerve cells and penetrate the blood-brain barrier well. AChE-IN-59 can be used for the research of Alzheimer's disease (AD).
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MAO-A-IN-4
0 ImagesCat. No.: HY-181110MAO-A-IN-4 is a highly selective and reversible inhibitor of monoamine oxidase A (MAO-A), with an IC50 of 0.06 μM against hMAO-A. MAO-A-IN-4 exhibits anti-inflammatory, antioxidant, neuroprotective, and antidepressant activities. MAO-A-IN-4 possesses favorable ADME properties and is suitable for research related to depression.
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Ferroptosis-IN-25
0 ImagesCat. No.: HY-183289Ferroptosis-IN-25, Trolox (HY-101445) derivative, is a selective ferroptosis inhibitor. Ferroptosis-IN-25 selectively inhibits ferroptosis by scavenging ROS and suppressing lipid peroxidation independently of glutathion. Ferroptosis-IN-25 reduces corneal neovascularization and edema in murine corneal alkali burn models via topical administration.Ferroptosis-IN-25 can be used for the research of ocular surface diseases.
