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Results for "

DPPH free radical

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Amylases (1) Apoptosis (1) Aryl Hydrocarbon Receptor (1) Autophagy (2) Cholinesterase (ChE) (1) Elastase (1) Fungal (1) Glucosidase (1) HIV (1) HSV (1) IFNAR (1) Influenza Virus (1) Interleukin Related (1) Nucleoside Antimetabolite/Analog (1) Parasite (1) Reactive Oxygen Species (2) TNF Receptor (1) Tyrosinase (1)
By Research Areas:	Cancer (5) Infection (4) Inflammation/Immunology (11) Metabolic Disease (5)
Click Chemistry:	Azide (1)

Inhibitors & Agonists

Peptides

Natural
Products

Click Chemistry

Targets Recommended: Free Fatty Acid Receptor

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-N7518

Eulophiol

Others Inflammation/Immunology

Eulophiol shows the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity with an EC₅₀ of 27.7μM. Antioxidant activity .

Eulophiol	Others	Inflammation/Immunology
Eulophiol shows the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity with an EC₅₀ of 27.7μM. Antioxidant activity .

HY-N10294

Epicoccone B	HIV	Infection Inflammation/Immunology
Epicoccone B, firstly reported from C. globosum, exhibits the DPPH free radical scavenging ability with IC₅₀ value of 10.8 μM, and has potent α-glucosidase inhibition with IC₅₀ value of 27.3 μM. Anti-HIV activity .

HY-N3554

Catechin-7-O-β-D-xylopyranoside (+)-Catechol 7-β-D-xylopyranoside	Others	Others
Catechin-7-O-β-D-xylopyranoside is an antioxidant compound with strong DPPH free radical scavenging ability. Catechin-7-O-β-D-xylopyranoside can be extracted from birch inner bark and nepeta stem bark .

HY-N10295

Flavipin	Aryl Hydrocarbon Receptor	Inflammation/Immunology
Flavipin is an aryl hydrocarbon receptor (Ahr) agonist that induces the expression of Ahr downstream genes in mouse CD4 ⁺ T cells and CD11b ⁺ macrophages. Flavipin inhibits the stabilizing function of Arid5a on Il23a 3′UTR, a newly identified target mRNA . Flavipin exhibits the DPPH free radical scavenging ability with IC₅₀ value of 7.2 μM, and has potent α-glucosidase inhibition with IC₅₀ value of 33.8 μM .

HY-155346

Free radical scavenger 1

Others Others

Free radical scavenger 1 (compound 8) shows scavenging activity against the DPPH radical, with the IC₅₀ of 43.39 μg/ml .

Free radical scavenger 1	Others	Others
Free radical scavenger 1 (compound 8) shows scavenging activity against the *DPPH* radical, with the IC₅₀ of 43.39 μg/ml .

HY-133183

Urolignoside	Others	Others
Urolignoside is an antioxidant with free radical scavenging activity. Urolignoside potently scavenges DPPH radical, and exhibits antioxidant to β-carotene-lineoleate model .

HY-112053

DPPH Maximum Cited Publications 12 Publications Verification 2,2-Diphenyl-1-picrylhydrazyl	Others	Metabolic Disease
DPPH (2,2-Diphenyl-1-picrylhydrazyl) is a stable free radical that can be used to measure the radical scavenging activity of antioxidants. The odd electron of nitrogen atom in DPPH is reduced by receiving a hydrogen atom from antioxidants to the corresponding hydrazine. DPPH method may be utilized in aqueous and nonpolar organic solvents and can be used to examine both hydrophilic and lipophilic antioxidants .

HY-N8169

10-O-Trans-p-methoxycinnamoylcatalpol	Others	Others
10-O-Trans-p-methoxycinnamoylcatalpol has antioxidant activity with the IC₅₀ value of 0.37 μM/mL in DPPH free radical scavenging assay .

HY-121811

Pongamol Lanceolatin C	Glucosidase	Metabolic Disease Inflammation/Immunology
Pongamol (Lanceolatin C) is potent α-glucosidase inhibitor (IC₅₀=103.5 μM) and has free-radical (DPPH) scavenging,antihyperglycemic, and antihyperglycemic activities .

HY-130294

Pyracrenic acid	Elastase	Inflammation/Immunology
Pyracrenic acid is an elastase inhibitor (IC₅₀ = 2.42 µM), can be obtained from the bark of Pyracantha crenulata. Pyracrenic acid has DPPH free radical scavenging activity and anti-inflammatory activity .

HY-N1430

Oxyresveratrol trans-Oxyresveratrol	Tyrosinase HSV Autophagy	Others
Oxyresveratrol (trans-Oxyresveratrol) is a potent naturally occurring antioxidant and free radical scavenger (IC₅₀ of 28.9 µM against DPPH free radicals). Oxyresveratrol is potent and noncompetitive tyrosinase inhibitor with an IC₅₀ value of 1.2 µM for mushroom tyrosinase. Oxyresveratrol is effective against HSV-1, HSV-2 and varicella-zoster virus, and has neuroprotective effects .

HY-W274194

Antioxidant agent-7	Others	Others
Antioxidant agent-7 (SD-7) is a benzodiazepine derivative with antioxidant activity with an IC₅₀ value of 470 nM to scavenge DPPH (2,2-diphenyl-1-picrylhydrazyl) free radical .

HY-N1417

Sesamol 1 Publications Verification	Apoptosis	Cancer
Sesamol is a constituent of sesame oil. Sesamol shows a free radical scavenging activity. Sesamol shows an IC₅₀=5.95±0.56 μg/mL in the DPPH assay. Anti-oxidant activities . Anticancer activities .

HY-W714006

Cochliodinol	Others	Metabolic Disease
Cochliodinol (compound 1) is a metabolite derived from the Apis mellifera ligustica. Cochliodinol has strong free radical scavenging activity of 2, 2-diphenyl-1-picrohydrazine (DPPH) (IC₅₀=3.06 μg/mL) .

HY-N1994

Swertianine	Others	Inflammation/Immunology
Swertianine is a hydroxyexanthone that can be isolated from Swertia decussata. Swertianine has antioxidant activity by inhibiting lipid peroxidation, scavenging DPPH and superoxide free radicals. Swertianine also inhibits γ-ray induced DNA damage of pBR322 with protective effect .

HY-P1934A

Cyclo(L-Phe-L-Pro)	Fungal IFNAR Reactive Oxygen Species	Infection Inflammation/Immunology Cancer
Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide . Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation . Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC₅₀ of 24 µM in the DPPH assay .

HY-N7648

Atherosperminine Atherospermine	Parasite	Infection
Atherosperminine（Atherospermine）is a nature occurring alkaloid, has antiplasmodial activities in vitro, with an IC₅₀ of 5.80 μM. Atherosperminine is a good reductant with the ability to chelate metals. Atherosperminine has scavenging activity towards the free radical *DPPH, with an IC₅₀* of 29.56 µg/mL. Atherosperminine exerts a non-specific relaxant effect on the trachealis .

HY-N3421

Koaburaside	Interleukin Related TNF Receptor Influenza Virus	Infection Inflammation/Immunology Cancer
Koaburaside is a cytoprotective and anti-inflammatory natural compound. Koaburaside shows antioxidant activity with an IC₅₀ of 9.0 μM for DPPH-free radical scavenging assay. Koaburaside inhibits histamine release and expressions of IL-6 and TNF-α in human mast cells. Koaburaside also effectively inhibits influenza A neuraminidase .

HY-149313

α‑Amylase-IN-1	Amylases	Metabolic Disease
α Amylase-IN-1 (Compound 11) is an α-Amylase inhibitor with an IC₅₀ value of 0.5509 μM. α Amylase-IN-1 has antioxidant activity with an IC₅₀ value of 53.49 μM for scavenging *DPPH* free radicals. IC₅₀ can be used in the study of diabetes and oxidative stress-related diseases.

HY-131803

3'-Azido-3'-deoxyguanosine	Nucleoside Antimetabolite/Analog	Inflammation/Immunology
Urolignoside is an antioxidant with free radical scavenging activity. Urolignoside potently scavenges DPPH radical, and exhibits antioxidant to β-carotene-lineoleate model . 3'-Azido-3'-deoxyguanosine is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. Strain-promoted alkyne-azide cycloaddition (SPAAC) can also occur with molecules containing DBCO or BCN groups.

HY-N0828

Pterostilbene 5 Publications Verification	Autophagy	Inflammation/Immunology Cancer
Pterostilbene is a stilbenoid isolated from blueberries and Pterocarpus marsupium . Shows anti-oxidant, anti-inflammatory, anti-carcinogenic, anti-diabetic and anti-obesity properties . Pterostilbene blocks ROS production , also exhibits inhibitory activity against various free radicals such as DPPH, ABTS, hydroxyl, superoxide and hydrogen peroxide .

HY-N0241

Rhodionin	Cholinesterase (ChE)	Metabolic Disease
Rhodionin, isolated from the root of Rhodiola crenulata, is a specific non-competitive cytochrome P450 2D6 inhibitor with an IC₅₀ of 0.761 μM and a Ki of 0.769 μM . Rhodionin exhibits potent, dose-dependent inhibitory effects on acetylcholinesterase (AChE) with IC₅₀ ranged from 57.50 to 2.43 μg/mL . Rhodionin exhibits potent DPPH free radical scavenging activities, with an IC₅₀ of 19.49 μM .

HY-146172

Antioxidant agent-3	Reactive Oxygen Species	Inflammation/Immunology Cancer
Antioxidant agent-3 (Compound 14q), an potent antioxidant, displays potent DPPH radicals scavenging activity and ABTS ⁺ scavenging activity with IC₅₀s of 26.58 and 30.31 μM, respectively. Antioxidant agent-3 (Compound 14q) increases reactive oxygen species (ROS), superoxide dismutase (SOD) and glutathione (GSH), and reduced lactate dehydrogenase (LDH) in H₂O₂-treated HepG2 cells .

Cyclo(L-Phe-L-Pro)	Fungal IFNAR Reactive Oxygen Species	Infection Inflammation/Immunology Cancer
Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide . Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation . Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC₅₀ of 24 µM in the DPPH assay .

Eulophiol	Classification of Application Fields Pholidota yunnanensis Rolfe Orchidaceae Source classification Phenols Polyphenols Plants Disease Research Fields Inflammation/Immunology	Others
Eulophiol shows the 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging activity with an EC₅₀ of 27.7μM. Antioxidant activity .

Epicoccone B	Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Phenols Polyphenols Disease Research Fields Inflammation/Immunology	HIV
Epicoccone B, firstly reported from C. globosum, exhibits the DPPH free radical scavenging ability with IC₅₀ value of 10.8 μM, and has potent α-glucosidase inhibition with IC₅₀ value of 27.3 μM. Anti-HIV activity .

Catechin-7-O-β-D-xylopyranoside (+)-Catechol 7-β-D-xylopyranoside	Structural Classification Betula pendula Roth. Source classification Plants Saccharides Betulaceae Monosaccharides	Others
Catechin-7-O-β-D-xylopyranoside is an antioxidant compound with strong DPPH free radical scavenging ability. Catechin-7-O-β-D-xylopyranoside can be extracted from birch inner bark and nepeta stem bark .

Flavipin	Microorganisms Classification of Application Fields Ketones, Aldehydes, Acids Source classification Phenols Polyphenols Disease Research Fields Inflammation/Immunology	Aryl Hydrocarbon Receptor
Flavipin is an aryl hydrocarbon receptor (Ahr) agonist that induces the expression of Ahr downstream genes in mouse CD4 ⁺ T cells and CD11b ⁺ macrophages. Flavipin inhibits the stabilizing function of Arid5a on Il23a 3′UTR, a newly identified target mRNA . Flavipin exhibits the DPPH free radical scavenging ability with IC₅₀ value of 7.2 μM, and has potent α-glucosidase inhibition with IC₅₀ value of 33.8 μM .

Urolignoside	Structural Classification Natural Products Source classification Cinnamomum verum J. Presl Plants Lauraceae	Others
Urolignoside is an antioxidant with free radical scavenging activity. Urolignoside potently scavenges DPPH radical, and exhibits antioxidant to β-carotene-lineoleate model .

10-O-Trans-p-methoxycinnamoylcatalpol	Premna IntegrifoliaL. Classification of Application Fields Verbenaceae Source classification Other Diseases Other Phenylpropanoids Phenylpropanoids Plants Disease Research Fields	Others
10-O-Trans-p-methoxycinnamoylcatalpol has antioxidant activity with the IC₅₀ value of 0.37 μM/mL in DPPH free radical scavenging assay .

Pongamol Lanceolatin C	Structural Classification Leguminosae Ketones, Aldehydes, Acids Source classification Derris trifoliata Lour. Plants Derris indica	Glucosidase
Pongamol (Lanceolatin C) is potent α-glucosidase inhibitor (IC₅₀=103.5 μM) and has free-radical (DPPH) scavenging,antihyperglycemic, and antihyperglycemic activities .

Pyracrenic acid	Structural Classification Terpenoids Source classification Pyracantha crenulata (D. Don) Roem. Rosaceae Diterpenoids Plants	Elastase
Pyracrenic acid is an elastase inhibitor (IC₅₀ = 2.42 µM), can be obtained from the bark of Pyracantha crenulata. Pyracrenic acid has DPPH free radical scavenging activity and anti-inflammatory activity .

Oxyresveratrol trans-Oxyresveratrol	Structural Classification other families Stilbenes Classification of Application Fields Anti-aging Source classification Other Diseases Phenols Polyphenols Plants Disease Research Fields	Tyrosinase HSV Autophagy
Oxyresveratrol (trans-Oxyresveratrol) is a potent naturally occurring antioxidant and free radical scavenger (IC₅₀ of 28.9 µM against DPPH free radicals). Oxyresveratrol is potent and noncompetitive tyrosinase inhibitor with an IC₅₀ value of 1.2 µM for mushroom tyrosinase. Oxyresveratrol is effective against HSV-1, HSV-2 and varicella-zoster virus, and has neuroprotective effects .

Sesamol 1 Publications Verification	Structural Classification Monophenols Classification of Application Fields Sesamum indicum Linn. Source classification Phenols Pedaliaceae Plants Disease Research Fields Cancer	Apoptosis
Sesamol is a constituent of sesame oil. Sesamol shows a free radical scavenging activity. Sesamol shows an IC₅₀=5.95±0.56 μg/mL in the DPPH assay. Anti-oxidant activities . Anticancer activities .

Cochliodinol	Structural Classification Human Gut Microbiota Metabolites Microorganisms Antibiotics Source classification Endogenous metabolite Other Antibiotics	Others
Cochliodinol (compound 1) is a metabolite derived from the Apis mellifera ligustica. Cochliodinol has strong free radical scavenging activity of 2, 2-diphenyl-1-picrohydrazine (DPPH) (IC₅₀=3.06 μg/mL) .

Swertianine	Structural Classification Flavonoids Xanthones Flavones Source classification Swertia bimaculata (Sieb. et Zucc.) Hook. f. et Thoms. ex C. B. Clark Gentianaceae Phenols Plants	Others
Swertianine is a hydroxyexanthone that can be isolated from Swertia decussata. Swertianine has antioxidant activity by inhibiting lipid peroxidation, scavenging DPPH and superoxide free radicals. Swertianine also inhibits γ-ray induced DNA damage of pBR322 with protective effect .

Cyclo(L-Phe-L-Pro)	Structural Classification Natural Products Microorganisms Classification of Application Fields Source classification Inflammation/Immunology Disease Research Fields Cancer	Fungal IFNAR Reactive Oxygen Species
Cyclo(L-Phe-L-Pro), isolated from Pseudomonas fluorescens and Pseudomonas alcaligenes cell-free culture supernatants is an antifungal cyclic dipeptide . Cyclo(L-Phe-L-Pro) inhibits IFN-β production by interfering with retinoic-acid-inducible gene-I (RIG-I) activation . Cyclo(L-Phe-L-Pro) exhibits free-radical scavenging activity with the IC₅₀ of 24 µM in the DPPH assay .

Atherosperminine Atherospermine	Infection Alkaloids Classification of Application Fields Source classification Fissistigma glaucescens Plants Annonaceae Disease Research Fields	Parasite
Atherosperminine（Atherospermine）is a nature occurring alkaloid, has antiplasmodial activities in vitro, with an IC₅₀ of 5.80 μM. Atherosperminine is a good reductant with the ability to chelate metals. Atherosperminine has scavenging activity towards the free radical *DPPH, with an IC₅₀* of 29.56 µg/mL. Atherosperminine exerts a non-specific relaxant effect on the trachealis .

Koaburaside	Structural Classification Eucommia ulmoides Oliver Source classification Eucommiaceae Plants Saccharides Monosaccharides	Interleukin Related TNF Receptor Influenza Virus
Koaburaside is a cytoprotective and anti-inflammatory natural compound. Koaburaside shows antioxidant activity with an IC₅₀ of 9.0 μM for DPPH-free radical scavenging assay. Koaburaside inhibits histamine release and expressions of IL-6 and TNF-α in human mast cells. Koaburaside also effectively inhibits influenza A neuraminidase .

Pterostilbene 5 Publications Verification	Structural Classification Monophenols other families Stilbenes Classification of Application Fields Source classification Phenols Plants Inflammation/Immunology Disease Research Fields	Autophagy
Pterostilbene is a stilbenoid isolated from blueberries and Pterocarpus marsupium . Shows anti-oxidant, anti-inflammatory, anti-carcinogenic, anti-diabetic and anti-obesity properties . Pterostilbene blocks ROS production , also exhibits inhibitory activity against various free radicals such as DPPH, ABTS, hydroxyl, superoxide and hydrogen peroxide .

Rhodionin	Flavonols Flavonoids Classification of Application Fields Rhodiola rosea Linn. Source classification Crassulaceae Phenols Polyphenols Metabolic Disease Plants Disease Research Fields Rhodiola crenulata (HK. f. et.Thoms) H. Ohba	Cholinesterase (ChE)
Rhodionin, isolated from the root of Rhodiola crenulata, is a specific non-competitive cytochrome P450 2D6 inhibitor with an IC₅₀ of 0.761 μM and a Ki of 0.769 μM . Rhodionin exhibits potent, dose-dependent inhibitory effects on acetylcholinesterase (AChE) with IC₅₀ ranged from 57.50 to 2.43 μg/mL . Rhodionin exhibits potent DPPH free radical scavenging activities, with an IC₅₀ of 19.49 μM .

3'-Azido-3'-deoxyguanosine		Azide
Urolignoside is an antioxidant with free radical scavenging activity. Urolignoside potently scavenges DPPH radical, and exhibits antioxidant to β-carotene-lineoleate model . 3'-Azido-3'-deoxyguanosine is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. Strain-promoted alkyne-azide cycloaddition (SPAAC) can also occur with molecules containing DBCO or BCN groups.

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DPPH free radical

Inhibitors & Agonists

Peptides

NaturalProducts

Click Chemistry

Natural
Products