antioxidant effect

AFMK (Formyl-N-acetyl-5-methoxykynurenamine) is an active metabolite of Melatonin with antioxidant and free radical scavenging activity. AFMK is a modulator of apoptosis and improves the anti-tumor effect of Gemcitabine in PANC-1 cells.

Aligeron, a non-selective prostaglandin (PG) antagonist, inhibits PGF2α- and PGE2-induced blood pressure decreases in cats and can prevent PGF2α-induced diarrhea in mice and PGE2-induced paw edema in rats. Additionally, Aligeron is recognized for its antioxidant-protective effect against vascular complications.

Sinapinic Acid (Synapoic acid) protects the rat liver from CCl4-induced inflammation, most likely by acting as a free radical scavenger and modulator of NF-κB p65 activation and proinflammatory cytokine expression. Sinapic acid with antioxidant role protects cardiac cells and its functions from I R induced oxidative stress. Sinapic acid is a potentially useful agent for the protection against liver fibrosis and cirrhosis. Sinapic acid prevents the alterations in the levels of lipids and lipoproteins by virtue of its anti-lipidaemic effect in isoproterenol induced myocardial infarcted rats. Sinapic acid ameliorates hyperglycemia through PLC-PKC signals to enhance the glucose utilization in diabetic rats.

Allicin exerts antioxidant, bactericidal, anti-cancer, anti-inflammatory activities, it exerts an inhibitory immunomodulatory effect on intestinal epithelial cells. Allicin could significantly inhibit vascular smooth muscle cells' proliferation and migration induced by insulin, which may be related to the inhibition of the activation of ERK signal path. Allicin is beneficial in reducing blood cholesterol, triglycerides levels and systolic blood pressure in hypercholesterolemic rats, it may beneficially affect two risk factors for atherosclerosis-hyperlipidemia and hypertension.

Naringenin (NSC-11855) is a flavanone that is considered to have a bioactive effect on human health as antioxidant, free radical scavenger, antiinflammatory, carbohydrate metabolism promoter, immunity system modulater. This substance has also been shown to repair DNA.

Gallic acid (Benzoic acid) is found in almost all plants. Plants known for their high gallic acid content include gallnuts,grapes,tea,hops and oak bark.

1. Octyl Gallate is an antioxidant approved by the US Food and Drug Administration (FDA) as a food additive. 2. Octyl Gallate has antimetastatic activity. 3. Octyl Gallate shows antimicrobial activity against H. pylori, with a minimum inhibitory concentration (MIC) value of 125 ug mL. 4. Combination therapy with octyl gallate and ferulic acid improves cognition and neurodegeneration in a transgenic mouse model of Alzheimer's disease.5. Octyl Gallate is a potential anticancer agent, it exhibited decreased MCF-7 & MDA-MB-231 survival and induced apoptosis, with IC50 value of 40 uM. 6. Octyl gallate (Octyl 3,4,5-trihydroxybenzoate) has antiviral activity, it shows an inhibitory effect on the growth of herpes simplex virus type 1 (HSV-1) in HEp-2 or Vero cells. 7. Octyl gallate shows antifungal activity against Saccharomyces cerevisiae ATCC7754 and Zygosaccharomyces bailii ATCC 60483.

Methyl 3,4-dihydroxybenzoate (Protocatechuic acid methyl ester), a key metabolite of antioxidant polyphenols in green tea, exhibits significant antioxidant and anti-inflammatory properties.

Brusatol (NSC-172924) is a natural product isolated from the Brucea javanica plant. It inhibits Nrf2.

Morin monohydrate (Aurantica) is a plant-derived flavonoid with weak antioxidant effect. Morin, as a fluorescent chelator, can be used in the generation process of aluminum species.

Isomangiferin has an antiviral effect, may due to their capability of inhibiting virus replication within cells. It also has antioxidant and radical-scavenging activities.

Chrysoeriol has antioxidant, antiinflammatory, antitumor, antimicrobial, antiviral, and free radical scavenging activities, it also shows selective bronchodilator effect.

Sanggenon C is a flavanone Diels-Alder adduct compound isolated from the root bark of Morus alba. Sanggenon C can inhibit NF-κB activity, inhibit the expression of inducible nitric oxide synthase in RAW264.7 cells, and inhibit tumor necrosis factor-α-stimulated cell adhesion and vascular cell adhesion molecule-1 expression; Sanggenon C also has antioxidant and anti-inflammatory effects, and also has the effect of inhibiting pancreatic lipase. [1,2]

1. Vitexin has antinociceptive and antispasmodic activities. 2. Vitexin exhibits a prominent first-pass effect. 3. Vitexin has antioxidant, antimyeloperoxidase, and α-glucosidase inhibitory activities. 4. Vitexin can either inhibit or induce activities of

Olivetol (5-n-Amylresorcinol) (5-pentylresorcinol, 5-pentyl-1,3-benzenediol) is an organic compound found in certain species of lichen; it is also a precursor in various syntheses of tetrahydrocannabinol. Olivetol has an antioxidant effect.

Bacopaside I is a saponin isolated from Bacopa monniera. Bacopaside I is a modulator of Aquaporin-1 channel, has neuroprotective functions, it has anti-Alzheimer's disease, it ameliorates cognitive impairment in APP PS1 mice via immune-mediated clearance of α2-amyloid,exbibits antioxidant properties and free radical scavenging capacity and exerts antidepressant-like effect.

1. 8-Gingerol has antioxidant activity. 2. 8-Gingerol has antimycobacterial activity. 3. 8-Gingerol could be used as an effective skin-whitening agent. 4. 8-Gingerol shows antipyretic and anti-inflammation characteristics. 5. 8-Gingerol seems to be effect

7-Methylcoumarin with strong hepatoprotective activity.

Cyclo(L-Leu-L-Trp) is a diketopiperazine metabolite initially derived from Penicillium, exhibiting antibacterial (MICs = 125-1000 µg/ml) and antifungal activities (MICs = 8-64 µg/ml). It also demonstrates antioxidant properties by reducing the production of hydroxy radicals, as evidenced in an electron spin resonance (ESR) spectroscopy assay (IC50 = 1.8 µM). Additionally, Cyclo(L-Leu-L-Trp) has been identified as a bitter compound capable of quickly crossing rat taste cell membranes ex vivo at a 1 mM concentration. Furthermore, it acts as a melatonin receptor agonist in X. laevis melanophores, suppressing cAMP accumulation at a 20 µM concentration, with this effect being negated by the melatonin receptor antagonist luzindole.

Ligustroside shows little antioxidant, and anti-inflammatory properties, it shows a significant inhibition effect on prostaglandin E2 (PGE2)-release. Ligustroside shows moderate antiviral activities against parainfluenza type 3 virus.

Homopterocarpin and Pterocarpus extract offer gastroprotection against indomethacin- induced ulcer by antioxidative mechanism and the modulation of gastric homeostasis, homopterocarpin may be responsible for, or contribute to the antiulcerogenic property

Flavipin, an aryl hydrocarbon receptor (Ahr) agonist, activates Ahr downstream gene expression in mouse CD4+ T cells and CD11b+ macrophages. This compound disrupts the stabilizing effect of Arid5a on the newly identified target mRNA, Il23a 3′UTR. Additionally, Flavipin demonstrates significant antioxidant properties, evidenced by its DPPH free radical scavenging capability with an IC50 value of 7.2 μM, and exhibits potent α-glucosidase inhibitory activity with an IC50 value of 33.8 μM.

Human serum albumin (HSA), the most abundant protein in plasma, significantly contributes to plasma oncotic pressure and exhibits antioxidant, anticoagulant, anti-inflammatory, and anti-platelet aggregation activities, as well as colloid osmotic action. It can block the inhibitory effect of GML on human T cells, providing a protective function, and is associated with cardiovascular diseases. HSA partially prevents LPS-induced oxidative stress and the upregulation of NF-κB, NF-κB, and peroxynitrite (ONOO −) in the vascular wall, helping to reduce blood pressure [1] [2] [3].

Myricetin 3-O-galactoside (Myricetin 3-O-beta-D-galactopyranoside) can inhibit xanthine oxidase (xanthine oxidase; XO) activity, lipid peroxidation and scavenging free radicals. Myricetin 3-O-galactoside has many effects, including cytotoxicity, anti-oxidation, anti-genotoxicity, anti-infectivity, anti-inflammatory and antioxidant activities, and its main effect is to inhibit the synthesis of inducible nitric oxide synthase (iNOS). The IC50 of Myricetin 3-O-galactoside inhibited lipid peroxidation was 160 μg mL.

Erastin2 is a ferroptosis inducer and inhibitor of the system xc- cystine glutamate transporter.[1][2] It inhibits glutamate release in CCF-STTG1 cells (IC50 = 0.0035 µM) and induces cell death in HAP1 cells at 5 µM, an effect blocked by ferrostatin-1 or deferoxamine.[1][2] Erastin2 also induces ferroptotic cell death in HT-1080 cells (EC50 = 0.15 µM), an effect blocked by β-mercaptoethanol (EC50 > 20 µM).[3] Additionally, it increases lipid peroxidation in HT-1080 cells at 1 µM.

Licoflavone C (4',5,7-Trihydroxy-8-prenylflavone) is an isoprenoid-based flavonoid compound isolated from the roots of Glycyrrhiza inflata, which possesses antioxidant and antifungal activities, and is known to have a protective effect against DAU or MMC-induced chromosome damage in cultured human peripheral lymphocytes. Licoflavone C can be used to study fungal infections.

2,6,4'-Trihydroxy-4-methoxybenzophenone shows weak inhibitory activity of testosterone 5alpha-reductase, it also shows significant inhibition of pancreatic lipase activity. 2,6,4'-Trihydroxy-4-methoxybenzophenone has neurotrophic activity, it induced neurite outgrowth in PC-12 cells at concentration of 50 microg/ml. 2,6,4′-Trihydroxy-4-methoxybenzophenone exhibits low cytotoxic effect against HeLa and 3T3 cell lines with IC50 values of 132 ug/ml and 158 ug/ml, repectively. It also shows antioxidant activity on DPPH with IC50 of 10.57 ug/mL.

Aβ-IN-6 is an orally active compound exhibiting anti-inflammatory, antioxidant, and anti-oligomeric activities, with significant implications for Alzheimer's disease (AD) research [1]. It effectively reduces the release of pro-inflammatory cytokines from microglia cells, promotes Nrf2 nuclear translocation, and impedes the formation of Aβ oligomers. Furthermore, Aβ-IN-6 demonstrates a stable neuroprotective effect by modulating redox-sensitive signaling pathways in an in vivo oxidative stress model.

3-Hydroxyterphenyllin is a p-terphenyl fungal metabolite originally isolated from A. candidus that has diverse biological activities, including antioxidant, antiproliferative, antibacterial, and antiviral properties.1,2,3,4 It has a 96% scavenging effect on 2,2-diphenyl-1-picrylhydrazyl radicals when used at a concentration of 100 μg/ml.2 3-Hydroxyterphenyllin inhibits the growth of HeLa cervical, A549 lung, and HepG2 liver cancer cells (IC50s = 23, 36, and 32 μM, respectively), as well as methicillin-resistant S. aureus (MRSA) and V. vulnificus bacteria (MIC = 31 μg/ml for both).3 It also inhibits HIV-1 integrase in both coupled and strand transfer assays (IC50s = 2.8 and 12.1 μM, respectively).4References1. Kurobane, I., Vining, L.C., McInnes, A.G., et al. 3-Hydroxyterphenyllin, a new metabolite of Aspergillus candidus. Structure elucidation by 1H and 13C nuclear magnetic resonance spectroscopy. J. Antibiot. (Tokyo) 32(6), 559-564 (1979).2. Yen, G.-C., Chang, Y.-C., Sheu, F., et al. Isolation and characterization of antioxidant compounds from Aspergillus candidus broth filtrate. J. Agric. Food Chem. 49(3), 1426-1431 (2001).3. Wang, W., Liao, Y., Tang, C., et al. Cytotoxic and antibacterial compounds from the coral-derived fungus Aspergillus tritici SP2-8-1. Mar. Drugs 15(11), E348 (2017).4. Singh, S.B., Jayasuriya, H., Dewey, R., et al. Isolation, structure, and HIV-1-integrase inhibitory activity of structurally diverse fungal metabolites. J. Ind. Microbiol. Biotechnol. 30(12), 721-731 (2003). 3-Hydroxyterphenyllin is a p-terphenyl fungal metabolite originally isolated from A. candidus that has diverse biological activities, including antioxidant, antiproliferative, antibacterial, and antiviral properties.1,2,3,4 It has a 96% scavenging effect on 2,2-diphenyl-1-picrylhydrazyl radicals when used at a concentration of 100 μg/ml.2 3-Hydroxyterphenyllin inhibits the growth of HeLa cervical, A549 lung, and HepG2 liver cancer cells (IC50s = 23, 36, and 32 μM, respectively), as well as methicillin-resistant S. aureus (MRSA) and V. vulnificus bacteria (MIC = 31 μg/ml for both).3 It also inhibits HIV-1 integrase in both coupled and strand transfer assays (IC50s = 2.8 and 12.1 μM, respectively).4 References1. Kurobane, I., Vining, L.C., McInnes, A.G., et al. 3-Hydroxyterphenyllin, a new metabolite of Aspergillus candidus. Structure elucidation by 1H and 13C nuclear magnetic resonance spectroscopy. J. Antibiot. (Tokyo) 32(6), 559-564 (1979).2. Yen, G.-C., Chang, Y.-C., Sheu, F., et al. Isolation and characterization of antioxidant compounds from Aspergillus candidus broth filtrate. J. Agric. Food Chem. 49(3), 1426-1431 (2001).3. Wang, W., Liao, Y., Tang, C., et al. Cytotoxic and antibacterial compounds from the coral-derived fungus Aspergillus tritici SP2-8-1. Mar. Drugs 15(11), E348 (2017).4. Singh, S.B., Jayasuriya, H., Dewey, R., et al. Isolation, structure, and HIV-1-integrase inhibitory activity of structurally diverse fungal metabolites. J. Ind. Microbiol. Biotechnol. 30(12), 721-731 (2003).

Echinatin exerts a protective effect against ischemia/reperfusion (I/R)-induced myocardial injury on hearts, this effect may be attributed to the antioxidant and anti-inflammatory activities of this compound. Echinatin can inhibit DNP-ATPase activity whil

Neoechinulin A has anti-inflammatory effect against LPS-stimulated RAW264.7 macrophages through inhibition of the NF-κB and p38 MAPK pathways, it may block the phosphorylation of mitogen-activated protein kinase (MAPK) molecule p38, apoptosis signal-regu

Pteropodine acts as a positive modulator of muscarinic M(1) and 5-HT(2) receptors. Pteropodine shows antigenotoxic, antioxidant and lymphocyte induction effects, it also shows strong apoptotic effect on acute leukaemic lymphoblasts.

Canadine has antioxidant activity with low-toxic effect.

Eugenone has a prooxidant and antioxidant effect.

EGFR/BRAF-IN-1, a 2,3-dihydropyrazino[1,2-a]indole-1,4-dione derivative, is a potent inhibitor of EGFR/BRAF, inhibiting BRAFV600E (IC50:45 nM) and cancer cell proliferation (GI50=35 nM), with good antioxidant effect.

Isocoronarin D is a main active ingredient for inducing death of the tested cancer cells, it possesses a wide anti-cancer capability. Isocoronarin D may have potential chemopreventive activity, it can activate antioxidant response element (ARE) (EC50 57.6 ± 2.4 uM). It also shows the highest Hb F induction effect of 1.6-fold at 20 microM.

Antioxidant agent-8, an orally active compound, inhibits Aβ 1-42 deposition by preventing fibril aggregation (IC 50 = 11.15 µM) and aiding in fibril disaggregation (IC 50 = 6.87 µM). It counteracts Cu2+-induced Aβ 1-42 fibril aggregation and disaggregation with lower IC 50 values of 3.69 µM and 3.35 µM, respectively. Additionally, it exhibits antioxidant and anti-inflammatory activities, demonstrates biosafety and blood-brain barrier permeability, and provides a neuroprotective effect.

AChE BChE MAO-B-IN-4, an indan-1-one derivative, is a potent inhibitor of monoamine oxidase B (MAO-B) and acetylcholinesterase butyrylcholinesterase (AChE BChE). It strongly inhibits human MAO-B with an IC50 of 0.0393 μM and is highly effective against human AChE and BChE with IC50 values of 0.0458 μM and 0.075 μM, respectively. Additionally, this compound exhibits significant antioxidant properties and ability to prevent β-amyloid plaque aggregation, suggesting its potential in Alzheimer's disease (AD) research.

Salvianolic acid B is a water-soluble antioxidant from Salvia extract. Salvianolic acid B plays significant role of antioxidant effect; antiplatelet aggregation, anticoagulant, and antithrombotic effect.

Octahydrocurcumin has antioxidant and and anti-inflammatory activities, it can inhibit the lipopolysaccharide (LPS)-induced inflammatory response via the mechanism of inhibiting NF-kB translocation to the nucleus. Octahydrocurcumin exhibits potent cytotoxic effect (IC50 =19.46 ug mL) and shows high antimicrobial activity.

Pheophytin a, a chlorophyll isolated from S. vermiculata extracts, demonstrates antioxidant activity with IC50 values of 200.5 and 137.7 μg mL for SOD and NO, respectively. It also exhibits reducing power (IC50 = 4.2 μg mL) and a cytotoxic effect on the MCF-7 cell line (IC50 = 35.9 μg mL) [1].

Naringenin-d4 is a deuterated compound of Naringenin. Naringenin has a CAS number of 480-41-1. Naringenin is a flavanone that is considered to have a bioactive effect on human health as antioxidant, free radical scavenger, antiinflammatory, carbohydrate metabolism promoter, immunity system modulater. This substance has also been shown to repair DNA.

Malvidin-3-O-arabinoside chloride has antioxidant activity.It has potential preventive effect in colorectal diseases.

Cycloheterophyllin has an antioxidant effect, it is a photoprotective agent that inhibits ultraviolet A (UVA)-induced oxidative stress and damage, and could be used in the research on and prevention of skin photoaging.

Vestitol is a phytoalexin with insect feeding-deterrent activity, it has antioxidant, anti-inflammatory and antimicrobial activities, it can inhibit neutrophil migration at a dose of 10 mg/kg, and shows MICs ranging from 25-50 to 50-100 ug/mL and MBCs ranging from 25-50 to 50-100 ug/mL.Vestitol exerts a limited inhibitory effect on S. hermonthica germination, it can significantly inhibit seedling growth, it also contributes, at least in part, to the host's defence mechanism and acts as a chemical barrier against the intrusion of the parasite.

Uric acid sodium, scavengers of oxygen radicals, is a potent and common antioxidant that helps maintain stable blood pressure and resist oxidative stress. Uric acid sodium, which removes reactive oxygen species (ROS) such as singlet oxygen and peroxynitrite, has an inhibitory effect on lipid peroxidation and is associated with the pathogenesis of gout joint disease and the formation of calcium oxalate stones.

TP4 (Nile tilapia piscidin) is an orally active, piscidin-like antimicrobial peptide that inhibits various gram-positive and gram-negative bacterial strains with a minimum inhibitory concentration (MIC) ranging from 0.03 to 10 μg mL. It demonstrates hemolytic activity and promotes immune response, antioxidant activity, and intestinal health in the presence of bacterial infections. Additionally, TP4 has an anti-tumor effect and induces necrosis in cancer cells by triggering mitochondrial dysfunction [1] [2] [3].

Irilone has immunomodulatory, and α-amylase inhibitory activities, it exhibits the selective inhibition toward CYP3 A4 rather than other major human CYPs. Irilone exhibited prominent antioxidant activities with the IC50 value of 10.46μM. Irilone potentiat