Quercetin is one of the most prominent dietary antioxidants, it is claimed to exert beneficial health effects, this includes protection against various diseases such as osteoporosis, certain forms of cancer, pulmonary and cardiovascular diseases but also against aging. It is a stimulator of recombinant SIRT1 and also a PI3K inhibitor with IC50 of 2.4±0.6 μM, 3.0±0.0 μM and 5.4±0.3 μM for PI3K γ, PI3K δ and PI3K β, respectively. It also attenuated the function VEGFR, androgen receptor and the expressions of NF-κB, IL Receptor, FAK, ERK,Nrf2. Miquelianin is a quercetin O-glycoside that consists of quercetin attached to a beta-D-glucuronopyranosyl moiety at position 3 via a glycosidic linkage. Isolated from Salvia and Phaseolus vulgaris, it exhibits antioxidant and antidepressant activities. It has a role as an antioxidant, a metabolite and an antidepressant. It is a beta-D-glucosiduronic acid and a quercetin O-glycoside.

Beta-tocopherol is a tocopherol in which the chroman-6-ol core is substituted by methyl groups at positions 5 and 8. While it is found in low concentrations in many vegetable oils, only cottonseed oil contains significant amounts. It has a role as a plant metabolite and a food component. It is a tocopherol and a vitamin E.

6-Prenylnaringenin is an isomer of the potent phytoestrogen, 8-prenylnaringenin. It exhibits both mixed and non-competitive inhibitory characteristics against tyrosinase, tyrosinase is the rate-limiting enzyme for the production of melanin and other pigments via the oxidation of l-tyrosine. 6-Prenylnaringenin has anti-cancer potential , dose-dependent reduction of cellular proliferation of human PC-3 prostate cancer and UO.31 renal carcinoma cells upon treatment. 6-Prenylnaringenin can inhibit 12-O-tetradecanoylphorbol 13-acetate (TPA)-induced inflammation (1μg/ear) in mice, it also exhibits inhibitory effects on skin-tumor promotion in anin vivo two-stagemouse-skin carcinogenesis test based on 7,12-dimethylbenz[a]- anthracene (DMBA) as initiator and with TPA as promoter. 6-prenylnaringenin is a trihydroxyflavanone having a structure of naringenin prenylated at C-6. It has a role as a T-type calcium channel blocker. It is a member of 4'-hydroxyflavanones, a (2S)-flavan-4-one and a trihydroxyflavanone. It is functionally related to a (S)-naringenin.

Salviaflaside has antioxidant activity.

Theaflavin is a suitable natural inhibitor against influenza A (H1N1) neuraminidase, which has anti-inflammatory, antioxidative, anti-mutagenic, anti-HSV-1, and anti-carcinogenic properties. Theaflavin is active in the prevention of fatty liver and obesity, it can significantly reduce lipid accumulation, suppress fatty acid synthesis, and stimulate fatty acid oxidation. Theaflavin inhibits LPS-Induced IL-6, MCP-1, and ICAM-1 expression in bone marrow-derived macrophages through the blockade of NF-κB and MAPK signaling pathways; it also protects nigral dopaminergic neurons against chronic MPTP/probenecid induced Parkinson's disease. Theaflavin is a biflavonoid that is 3,4,5-trihydroxybenzocyclohepten-6-one which is substituted at positions 1 and 8 by (2R,3R)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl groups. It is the main red pigment in black tea. It has a role as an antioxidant, an antibacterial agent, a chelator, a radiation protective agent and a plant metabolite. It is a polyphenol and a biflavonoid.

Crocin is a water-soluble carotenoid pigment of saffron (Crocus sativus L.), it has been used as a spice for flavoring and coloring food preparations. Crocin has anti-inflammatory, anti-oxidative, anti-apoptotic, anti-asthma, anti-cancer, and hypolipidemic effects. Crocin improves toxic effects of diazinon via reducing lipid peroxidation and restoring altered contractile and relaxant responses in rat aorta; it also protects retinal photoreceptors against light-induced cell death. Crocin can also promote ovarian cancer HO-8910 cell apoptosis, most likely by increasing p53 and Fas/APO-1 expression, and then activating the apoptotic pathway regulated by Caspase-3. Bis(beta-D-glucosyl) crocetin is a diester resulting from the formal condensation of each of the carboxylic acid groups of crocetin with an anomeric hydroxy group of beta-D-glucopyranose. It is a beta-D-glucoside and a diester. It is functionally related to a beta-D-glucose and a crocetin.

Quercetin 3-beta-gentiobioside is a quercetin O-glycoside in which the hydroxy hydrogen at position 3 of quercetin has been replaced by a gentiobiosyl group. It has a role as a Brassica napus metabolite. It is a tetrahydroxyflavone, a disaccharide derivative and a quercetin O-glycoside. It is functionally related to a gentiobiose. It is a conjugate acid of a quercetin 3-beta-gentiobioside(2-). Quercetin-3-gentiobioside may show significant inhibitor on AR and AGEs formation activities.

Quercetagetin may be a potent inhibitor of the STAT1 signal, which could be a new molecular target for anti-inflammatory treatment, and may thus have therapeutic applications as an immune modulator in inflammatory diseases such as AD. It has stronger inhibitory effects on the protein and mRNA expression of TARC and MDC than other flavonoids. Quercetagetin is a hexahydroxyflavone that is flavone substituted by hydroxy groups at positions 3, 5, 6, 7, 3' and 4' respectively. It has a role as an antioxidant, an antiviral agent and a plant metabolite. It is a hexahydroxyflavone and a member of flavonols. It is functionally related to a quercetin.

(-)-Epiafzelechin exhibits significant anti-inflammatory activity on carrageenin-induced mouse paw edema, it exhibits a dose-dependent inhibition on the COX activity with an IC50 value of 15 microM, it exhibits about 3-fold weaker inhibitory potency on the enzyme activity than indomethacin as a positive control. (-)-Epicatechin shows zero and/or the lowest activities against pancreatic lipase (IC50 > 20 microM). Epiafzelechin has antioxidant properties. (-)-epiafzelechin is a catechin derivative having (2R,3R)-configuration. It has a role as a plant metabolite.

Vinaginsenoside R3 is a triterpenoid saponin.

Pinostrobin chalcone is a potent inhibitor of triglyceride accumulation, it can inhibit adipogenesis in 3T3-L1 cells, it may have anti-obesity effects through the inhibition of adipogenesis. Pinostrobin chalcone displays very remarkable cytotoxic activity against the human cancer cells, such as KB, MCF7 and Caski cells (IC50 values of 6.2, 7.3 and 7.7 ug/mL, respectively).

Crocin is a water-soluble carotenoid pigment of saffron (Crocus sativus L.), it has been used as a spice for flavoring and coloring food preparations. Crocin has anti-inflammatory, anti-oxidative, anti-apoptotic, anti-asthma, anti-cancer, and hypolipidemic effects. Crocin improves toxic effects of diazinon via reducing lipid peroxidation and restoring altered contractile and relaxant responses in rat aorta; it also protects retinal photoreceptors against light-induced cell death. Crocin can also promote ovarian cancer HO-8910 cell apoptosis, most likely by increasing p53 and Fas/APO-1 expression, and then activating the apoptotic pathway regulated by Caspase-3. Beta-D-gentiobiosyl crocetin is a dicarboxylic acid monoester resulting from the formal condensation of one of the carboxylic acid groups of crocetin with the anomeric hydroxy group of beta-D-gentiobiose. It is a glycoside, a dicarboxylic acid monoester and a disaccharide derivative. It is functionally related to a gentiobiose and a crocetin. It is a conjugate acid of a beta-D-gentiobiosyl crocetin(1-).

Tilianin has anti-inflammatory, antiatherogenic, antihypertensive and vasorelaxant activities, mediates relaxation and antihypertension mainly by an endothelium-dependent manner, probably due to NO release, and also through an endothelium-independent pathway by opening K+ channels. Tilianin inhibits the tumor necrotic factor-K (TNF-K)-induced expression of VCAM-1 by 74% and reduces TNF-K-induced activation of nuclear factor-UB in cultured human umbilical vein endothelial cells (HUVECs).

L-cystine is the L-enantiomer of the sulfur-containing amino acid cystine. It has a role as an EC 1.2.1.11 (aspartate-semialdehyde dehydrogenase) inhibitor, a flour treatment agent, a mouse metabolite, a Saccharomyces cerevisiae metabolite and a human metabolite. It is a cystine, a non-proteinogenic L-alpha-amino acid and a L-cysteine derivative. It is a conjugate acid of a L-cystine anion. It is an enantiomer of a D-cystine. It is a tautomer of a L-cystine zwitterion. L-Cystine can improve hyperlipidemia by restoring LPL and HSL activities.L-Cystine protects against the toxicity of PQ by maintaining reduced glutathione levels in the cells. Co-administration of l-cystine and l-theanine before vaccination may enhance the immune response to influenza vaccine in elderly subjects with low serum total protein or hemoglobin.

3',4',5-trihydroxy-3,7-dimethoxyflavone is a dimethoxyflavone that the 3,7-di-O-methyl derivative of quercetin. It has a role as a metabolite and an EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor. It is a dimethoxyflavone and a trihydroxyflavone. It is functionally related to a quercetin. It is a conjugate acid of a 3',4',5-trihydroxy-3,7-dimethoxyflavone(1-).

Astaxanthin is a strong antioxidant which shows neuroprotective property and can reduce the markers of inflammation, it can reduce matrix metalloproteinase expression in human chondrocytes, it may be beneficial in the treatment of osteoarthritis.Astaxanthin has protective effect on fetal alcohol spectrum disorder, and suggests that oxidative stress and TLR4 signaling associated inflammatory reaction are involved in this process. Astaxanthin administration can reduce renal calcium oxalate crystal deposition possibly by modulating the renal renin-angiotensin system (RAS), which reduces the expression of OPN and TGF-β1 levels. Astaxanthin is a carotenone that consists of beta,beta-carotene-4,4'-dione bearing two hydroxy substituents at positions 3 and 3' (the 3S,3'S diastereomer). A carotenoid pigment found mainly in animals (crustaceans, echinoderms) but also occurring in plants. It can occur free (as a red pigment), as an ester, or as a blue, brown or green chromoprotein. It has a role as an antioxidant, an anticoagulant, an animal metabolite, a plant metabolite and a food colouring.

Glutathione plays important roles in antioxidant defense, nutrient metabolism, and regulation of cellular events (including gene expression, DNA and protein synthesis, cell proliferation and apoptosis, signal transduction, cytokine production and immune response, and protein glutathionylation); glutathione deficiency contributes to oxidative stress, which plays a key role in aging and the pathogenesis of many diseases (including kwashiorkor, seizure, Alzheimer's disease, Parkinson's disease, liver disease, cystic fibrosis, sickle cell anemia, HIV, AIDS, cancer, heart attack, stroke, and diabetes). Glutathione is a tripeptide compound consisting of glutamic acid attached via its side chain to the N-terminus of cysteinylglycine. It has a role as a geroprotector, an antioxidant, a cofactor, a mouse metabolite, an Escherichia coli metabolite, a human metabolite and a skin lightening agent. It is a thiol, a tripeptide and a L-cysteine derivative. It is a conjugate acid of a glutathionate(1-).

Sulfuretin is a potent anti-oxidant, has protective effect against t-BHP-induced oxidative damage in human liver-derived HepG2 cells is attributable to its ability to scavenge ROS and up-regulate the activity of HO-1 through the Nrf2/ARE and JNK/ERK signaling pathways. Sulfuretin may have a potential role for neuroprotection, possibly through inhibition of phosphorylation of MAPK, PI3K/Akt, and GSK-3β, which leads to mitochondrial protection, NF-κB modulations and subsequent suppression of apoptosis via ROS-dependent pathwaysand, may be used as a therapeutic agent for PD; it also may have therapeutic value in preventing or delaying the progression of rheumatoid arthritis.Sulfuretin has therapeutical effect on leukemia, due to its potent apoptotic activity through the extrinsic pathway driven by a Fas-mediated caspase-8-dependent pathway.