Antioxidant agent-3

Antioxidant agent-3 (Compound 14q), a potent antioxidant, exhibits strong scavenging activity against DPPH radicals and ABTS+ radicals with IC50 values of 26.58 μM and 30.31 μM, respectively. Additionally, it enhances levels of reactive oxygen species (ROS), superoxide dismutase (SOD), and glutathione (GSH), while diminishing lactate dehydrogenase (LDH) in H2O2-treated HepG2 cells [1].

Protocatechuic acid (3, 4-Dihydroxybenzoic acid) (3, 4-dihydroxybenzoic acid) is a natural phenolic compound found in many edible and medicinal plants. Recent studies indicate that it could be used as a protective agent against cardiovascular diseases and neoplasms. The mechanism of its action is mostly associated with antioxidant activity, including inhibition of generation as well as scavenging of free radicals and up-regulating enzymes which participate in their neutralization.

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.

Umifenovir is a potent, orally active broad-spectrum antiviral agent with activity against enveloped and non-enveloped viruses, suppressing virus propagation and modulating the expression of inflammatory cytokines for use as an anti-influenza virus agent [3]. It effectively inhibits the fusion of the virus with host cells [1] [2] and is an efficient inhibitor of SARS-CoV-2 in vitro [2].

Trimetazidine is a non-haemodynamic antianginal agent that selectively inhibits the mitochondrial enzyme 3-ketoacyl coenzyme A thiolase (LC 3-KAT), thereby preventing β-oxidation of free fatty acids, with an IC50 value of 75 nM. Trimetazidine prevents ischaemia-reperfusion injury by altering cardiac metabolism, exhibiting antioxidant and anti-ischaemic effects.

RC363 is an inhibitor of ferroptosis and a derivative of the antioxidant and hypocholesterolemic agent probucol .1It reduces 2,2-diphenyl-1-picrylhydrazyl radicals by approximately 40% in a cell-free assay when used at a concentration of 25 μM. RC363 prevents glutamate-induced toxicity in HT22 cultured hippocampal cells (IC50= 234.5 nM) but does not reduce oxidant levels in these cells. It increases the levels of glutathione peroxidase 1 (GPX1) and the activity of GPX in glutamate-challenged HT22 cells when used at a concentration of 3 μM. RC363 inhibits ferroptosis induced by the GPX4 inhibitor RSL3 in HT22 cells (IC50= 173.6 nM). 1.Bueno, D.C., Canto, R.F.S., de Souza, V., et al.New probucol analogues inhibit ferroptosis, improve mitochondrial parameters, and induce glutathione peroxidase in HT22 cellsMol. Neurobiol.57(8)3273-3290(2020)

RC574 is an inhibitor of ferroptosis and a derivative of the antioxidant and hypocholesterolemic agent probucol .1It inhibits glutamate-induced cell death in HT22 cells (IC50= 276.2 nM) and mouse primary cortical neurons when used at a concentration of 3 μM. RC574 (3 μM) increases glutathione peroxidase 1 (GPX1) levels and GPX activity, as well as inhibits glutamate-induced mitochondrial superoxide anion production, in HT22 cells. It completely inhibits ferroptosis induced by the GPX4 inhibitor RSL3 in HT22 cells when used at concentrations ranging from 62.5 to 1,000 nM. 1.Bueno, D.C., Canto, R.F.S., de Souza, V., et al.New probucol analogues inhibit ferroptosis, improve mitochondrial parameters, and induce glutathione peroxidase in HT22 cellsMol. Neurobiol.57(8)3273-3290(2020)

1, 2, 3, 4, 6-Pentagalloylglucose (Penta-O-galloyl-β-D-glucose) and gallic acid from Pistacia lentiscus have antimutagenic and antioxidant activities. 2. 1, 2, 3, 4, 6-Penta-O-galloyl-beta-D-glucose (PGG) possesses potent anti-proliferative and anti-invasive effects, it also has inhibition of inducible nitric oxide synthase and cyclooxygenase-2 activity. 3. PGG may serve as a model for the development of new types of anti-diabetic and anti-metabolic syndrome therapeutics. 4. 1, 2, 3, 4, 6-Penta- O -galloyl-β- d -glucose has vasodilatory and anti-inflammatory effects, it dilates vascular smooth muscle and suppresses the vascular inflammatory process via endothelium-dependent nitric oxide (NO)/cGMP signaling. 5. 1, 2, 3, 4, 6-Penta-O-galloyl-beta-D-glucose can decrease the level of extracellular hepatitis B virus (HBV) (IC5, 1. microg/ml) in a dose-dependent manner, it also can reduce the HBsAg level by 25% at a concentration of 4 microg/ml; the gallate structure of PGG may play a critical role in the inhibition of anti-HBV activity, suggests that PGG could be a candidate for developing an anti-HBV agent. 6. 1, 2, 3, 4, 6-Penta-O-galloyl-β-D-glucose has anti-parasitic activity, displays an EC5 value of 67 μM, at least 6.6-fold more effective than the standard drug benznidazole against trypomastigote forms of T. cruzi.

1. Obtusifolin has antioxidant properties and improves chemically induced diabetes and its complications by modulation of oxidative stress. 2. Obtusifolin suppresses phthalate esters-mediated bone resorption, thus may be a novel anti-breast-cancer bone me

BuChE-IN-3 (Compound C4) is a potent inhibitor of BuChE (IC50: 8.3 nM), as well as a mild antioxidant, non-toxic, lipophilic, and neuroprotective agent.

1. Oxypeucedanin hydrate (Prangolarin Hydrate) has antioxidant activity. 2. Oxypeucedanin hydrate is an antimutagenic agent. 3. Oxypeucedanin hydrate exhibits carbohydrate metabolizing enzymes inhibitory effect.

1. Eriodictyol (Huazhongilexone) is a flavonoid with anti-inflammatory and antioxidant activities. 2. Eriodictyol may possess antidiabetic properties through increasing glucose uptake and improving insulin resistance. 3. Eriodictyol may be a potential therapeutic resource for Atopic dermatitis and an adjunctive agent to control itchiness inAtopic dermatitis.

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

Catechin 7-O-β-D-glucopyranoside is a major bioactive constituent associated with antioxidant and anti-inflammatory benefits of PHCR seed extracts and has been recognized as a promising research agent for intestinal inflammatory disorders. Catechin 7-O-β-D-glucopyranoside demonstrates strong biological effects supporting future pharmaceutical development of CGP-containing formulations against gastrointestinal inflammatory diseases.

Antioxidant Agent-10 (Compound 3) demonstrates moderate DPPH scavenging activity, possessing an EC50 value of 33.2 μg/mL [1].

Compound 21a (Neuroprotective agent 3) is an antioxidant that demonstrates neuroprotective properties by significantly enhancing neuronal viability and inducing neuroprotection. Additionally, it improves neurological deficit scores in an in vivo model of transient cerebral ischemia [1].

1. Artemitin (Erianthin) has anti-inflammatory activity. 2. Artemitin (Erianthin) protects endothelial function by acting as antioxidant and antiapoptotic agent and through the activation of ERK1/2 and Akt. 3. Intravenous injection of Artemitin (Erianthin)(.75 mg/kg) significantly reduces the hypertensive response to angiotensin I while increases the average length of bradykinin-induced hypotension.

8-Gingerol (Standard) is a reference standard for research and analysis in studies involving 8-Gingerol. 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 effective in an animal model of rheumatoid arthritis. 6. 8-Gingerol inhibits the anti-serotonin 3 receptor function, exhibits cardiotonic activity. 7. 8-Gingerol affects gastric motility and potentially have an antispasmodic effect on the gastrointestinal system. 8. 8-gingerol inhibited melanogenesis in B16F1 and B16F1 cells by down-regulation of both mitogen-activated protein kinases (MAPK) and protein kinase A (PKA) signaling pathways or through its antioxidant properties.

Pentagalloylglucose (Standard) is a reference standard for research and analysis in studies involving Pentagalloylglucose. 1, 2, 3, 4, 6-Pentagalloylglucose (Penta-O-galloyl-β-D-glucose) and gallic acid from Pistacia lentiscus have antimutagenic and antioxidant activities. 2. 1, 2, 3, 4, 6-Penta-O-galloyl-beta-D-glucose (PGG) possesses potent anti-proliferative and anti-invasive effects, it also has inhibition of inducible nitric oxide synthase and cyclooxygenase-2 activity. 3. PGG may serve as a model for the development of new types of anti-diabetic and anti-metabolic syndrome therapeutics. 4. 1, 2, 3, 4, 6-Penta- O -galloyl-β- d -glucose has vasodilatory and anti-inflammatory effects, it dilates vascular smooth muscle and suppresses the vascular inflammatory process via endothelium-dependent nitric oxide (NO)/cGMP signaling. 5. 1, 2, 3, 4, 6-Penta-O-galloyl-beta-D-glucose can decrease the level of extracellular hepatitis B virus (HBV) (IC5, 1. microg/ml) in a dose-dependent manner, it also can reduce the HBsAg level by 25% at a concentration of 4 microg/ml; the gallate structure of PGG may play a critical role in the inhibition of anti-HBV activity, suggests that PGG could be a candidate for developing an anti-HBV agent. 6. 1, 2, 3, 4, 6-Penta-O-galloyl-β-D-glucose has anti-parasitic activity, displays an EC5 value of 67 μM, at least 6.6-fold more effective than the standard drug benznidazole against trypomastigote forms of T. cruzi.

Octyl gallate (Standard) is the standard substance of Octyl gallate, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. 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.

Obtusifolin (Standard) is a reference standard for research and analysis in studies involving Obtusifolin. 1. Obtusifolin has antioxidant properties and improves chemically induced diabetes and its complications by modulation of oxidative stress. 2. Obtusifolin suppresses phthalate esters-mediated bone resorption, thus may be a novel anti-breast-cancer bone metastasis agent. 3. Obtusifolin has beneficial effects on the development of diabetic retinopathy via inhibition of accumulation of oxidatively modified DNA and nitrotyrosine in the retina, can help prevent vision loss in diabetic patients. 4. Obtusifolin and gluco-Obtusifolin produce significant antinociceptive action in rodent behavioral models of inflammatory/neuropathic pain, and that this activity is associated with modulation of neuroinflammation in spinal cord. 5. Gluco-Obtusifolin and its aglycone may be useful for the treatment of cognitive impairment, and that its beneficial effects are mediated, in part, by the enhancement of cholinergic signaling.

Eriodictyol (Standard) is a reference standard for research and analysis in studies involving Eriodictyol. 1. Eriodictyol (Huazhongilexone) is a flavonoid with anti-inflammatory and antioxidant activities. 2. Eriodictyol may possess antidiabetic properties through increasing glucose uptake and improving insulin resistance. 3. Eriodictyol may be a potential therapeutic resource for Atopic dermatitis and an adjunctive agent to control itchiness inAtopic dermatitis.

Oxypeucedanin hydrate (Standard) is a reference standard for research and analysis in studies involving Oxypeucedanin hydrate. 1. Oxypeucedanin hydrate (Prangolarin Hydrate) has antioxidant activity. 2. Oxypeucedanin hydrate is an antimutagenic agent. 3. Oxypeucedanin hydrate exhibits carbohydrate metabolizing enzymes inhibitory effect.

Pelargonidin-3-O-glucoside chloride (Standard) is a reference standard for research and analysis in studies involving Pelargonidin-3-O-glucoside chloride. Pelargonidin-3-O-glucopyranoside is the glucoside of Pelargonidin, an potential antidiabetic agent. Pelargonidin-3-O-glucopyranoside has antioxidant, anti-inflammatory, anti-estrogenic, and angiotensin-converting enzyme inhibitory activities.