Classification Term: 170384
Plant xanthones (ontology term: b732573438ba80ce838059589bd08645)
found 500 associated metabolites at sub_class
metabolite taxonomy ontology rank level.
Ancestor: Xanthones
Child Taxonomies: There is no child term of current ontology term.
Lancerin
Lancerin is a C-glycosyl compound that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3, and 7 and a 1,5-anhydro-D-glucitol moiety at position 1. It has a role as a plant metabolite. It is a member of xanthones, a C-glycosyl compound and a polyphenol. Lancerin is a natural product found in Maclura cochinchinensis, Polygala tenuifolia, and other organisms with data available. A C-glycosyl compound that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3, and 7 and a 1,5-anhydro-D-glucitol moiety at position 1. Lancerin, isolated from the root bark of Cudraniu cochinchinensis, possesses anti-lipid peroxidation[1]. Lancerin, isolated from the root bark of Cudraniu cochinchinensis, possesses anti-lipid peroxidation[1].
Mesuaxanthone A
Mesuaxanthone A is a member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at bpositions 1 and 5 and a methoxy group at position 3. It has a role as a plant metabolite. It is a member of xanthones, a polyphenol and an aromatic ether. Mesuaxanthone A is a natural product found in Calophyllum inophyllum, Hypericum chinense, and other organisms with data available. A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at bpositions 1 and 5 and a methoxy group at position 3.
Gambogic acid
Isolated from Gamboge resin (exudate of Garcinia morella). Gambogic acid is found in herbs and spices and fruits. Gambogic acid is found in fruits. Gambogic acid is isolated from Gamboge resin (exudate of Garcinia morella). Gambogic Acid (Beta-Guttiferrin) is derived from the gamboges resin of the tree Garcinia hanburyi. Gambogic Acid (Beta-Guttiferrin) inhibits Bcl-XL, Bcl-2, Bcl-W, Bcl-B, Bfl-1 and Mcl-1 with IC50s of 1.47 μM, 1.21 μM, 2.02 μM, 0.66 μM, 1.06 μM and 0.79 μM. Gambogic Acid (Beta-Guttiferrin) is derived from the gamboges resin of the tree Garcinia hanburyi. Gambogic Acid (Beta-Guttiferrin) inhibits Bcl-XL, Bcl-2, Bcl-W, Bcl-B, Bfl-1 and Mcl-1 with IC50s of 1.47 μM, 1.21 μM, 2.02 μM, 0.66 μM, 1.06 μM and 0.79 μM.
Mangiferol
Mangiferol, also known as alpizarin or chinomin, is a member of the class of compounds known as xanthones. Xanthones are polycyclic aromatic compounds containing a xanthene moiety conjugated to a ketone group at carbon 9. Xanthene is a tricyclic compound made up of two benzene rings linearly fused to each other through a pyran ring. Mangiferol is slightly soluble (in water) and a very weakly acidic compound (based on its pKa). Mangiferol can be found in mango, which makes mangiferol a potential biomarker for the consumption of this food product. Mangiferin is a Nrf2 activator. Mangiferin suppresses nuclear translocation of the NF-κB subunits p65 and p50. Mangiferin exhibits antioxidant, antidiabetic, antihyperuricemic, antiviral, anticancer and antiinflammatory activities[1][2][3]. Mangiferin is a Nrf2 activator. Mangiferin suppresses nuclear translocation of the NF-κB subunits p65 and p50. Mangiferin exhibits antioxidant, antidiabetic, antihyperuricemic, antiviral, anticancer and antiinflammatory activities[1][2][3].
Isoathyriol
A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3 and 7 and a methoxy group at position 6.
Psorospermin
An organic heterotetracyclic compound that is 1,2-dihydro-6H-furo[2,3-c]xanthene substituted by a hydroxy group at position 10, a methoxy group at position 5 nad a 2-methyloxiran-2-yl group at position 2.
Swertianin
A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 2 and 8 and a methoxy group at position 6. It has been isolated from various species of the genus Swertia and has been found to exhibit antioxidant activities.
Swertianolin
Swertianolin, a xanthone isolated from Gentianella Acuta, inhibits acetylcholinesterase (AChE). Swertianolin also exhibits anti-HBV and anti-bacterial activity[1][2]. Swertianolin, a xanthone isolated from Gentianella Acuta, inhibits acetylcholinesterase (AChE). Swertianolin also exhibits anti-HBV and anti-bacterial activity[1][2].
1,3,5-Trihydroxyxanthone
A member of the class of xanthones that is xanthone substituted by hydroxy groups at positions 1, 3 and 5. It has been isolated from Anaxagorea luzonensis.
Garcinone C
Garcinone C is a member of xanthones. Garcinone C is a natural product found in Garcinia xipshuanbannaensis, Garcinia mangostana, and Hypericum perforatum with data available. From Garcinia mangostana (mangosteen). Garcinone C is found in fruits and purple mangosteen. Garcinone C is found in fruits. Garcinone C is from Garcinia mangostana (mangosteen Garcinone C, a xanthone derivative, is a natural compound extracted from Garcinia oblongifolia that is used as an anti-inflammatory, astringency and granulation-promoting medicine, and has potential cytotoxic effects on certain cancers. Garcinone C stimulates the expression levels of ATR and 4E-BP1, while efficiently inhibiting the expression levels of cyclin B1, cyclin D1, cyclin E2, cdc2, Stat3 and CDK7. Garcinone C significantly inhibits cell viability of the human Nasopharyngeal carcinoma (NPC) cell lines CNE1, CNE2, HK1 and HONE1 in a time? and dose?dependent manner[1].
Garcinone D
Garcinone D is a natural product found in Garcinia morella, Garcinia dulcis, and other organisms with data available. From Garcinia mangostana (mangosteen). Garcinone D is found in fruits and purple mangosteen. Garcinone D is found in fruits. Garcinone D is from Garcinia mangostana (mangosteen).
Mangiferin
Mangiferin is found in fruits. Mangiferin is a constituent of Mangifera indica (mango) Constituent of Mangifera indica (mango). Mangiferin is found in mango and fruits. Mangiferin is a Nrf2 activator. Mangiferin suppresses nuclear translocation of the NF-κB subunits p65 and p50. Mangiferin exhibits antioxidant, antidiabetic, antihyperuricemic, antiviral, anticancer and antiinflammatory activities[1][2][3]. Mangiferin is a Nrf2 activator. Mangiferin suppresses nuclear translocation of the NF-κB subunits p65 and p50. Mangiferin exhibits antioxidant, antidiabetic, antihyperuricemic, antiviral, anticancer and antiinflammatory activities[1][2][3].
Demethylcalabaxanthone
Demethylcalabaxanthone is found in fruits. Demethylcalabaxanthone is a constituent of Garcinia mangostana (mangosteen) Constituent of Garcinia mangostana (mangosteen). Demethylcalabaxanthone is found in fruits and purple mangosteen.
Dulxanthone B
Dulxanthone B is found in fruits. Dulxanthone B is a constituent of the stem bark of Garcinia dulcis (mundu). Constituent of the stem bark of Garcinia dulcis (mundu). Dulxanthone B is found in fruits.
Dulxanthone C
Dulxanthone C is found in fruits. Dulxanthone C is a constituent of the stem bark of Garcinia dulcis (mundu)
1,3-Dihydroxy-6,7-dimethoxy-2-(2-hydroxy-3-methyl-3-butenyl)-8-(3-methyl-2-butenyl)-xanthone
1,3-Dihydroxy-6,7-dimethoxy-2-(2-hydroxy-3-methyl-3-butenyl)-8-(3-methyl-2-butenyl)-xanthone is found in fruits. 1,3-Dihydroxy-6,7-dimethoxy-2-(2-hydroxy-3-methyl-3-butenyl)-8-(3-methyl-2-butenyl)-xanthone is a constituent of the heartwood of Garcinia mangostana (mangosteen). Constituent of the heartwood of Garcinia mangostana (mangosteen). 1,3-Dihydroxy-6,7-dimethoxy-2-(2-hydroxy-3-methyl-3-butenyl)-8-(3-methyl-2-butenyl)-xanthone is found in fruits.
1,6-Dihydroxy-3,7-dimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone
1,6-Dihydroxy-3,7-dimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone is found in fruits. 1,6-Dihydroxy-3,7-dimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone is a constituent of the heartwood of Garcinia mangostana (mangosteen). Constituent of the heartwood of Garcinia mangostana (mangosteen). 1,6-Dihydroxy-3,7-dimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone is found in fruits.
1,7-Dihydroxy-3,6-dimethoxy-2,8-diprenylxanthone
1,7-Dihydroxy-3,6-dimethoxy-2,8-diprenylxanthone is found in fruits. 1,7-Dihydroxy-3,6-dimethoxy-2,8-diprenylxanthone is a constituent of Garcinia mangostana (mangosteen). Constituent of Garcinia mangostana (mangosteen). 1,7-Dihydroxy-3,6-dimethoxy-2,8-diprenylxanthone is found in fruits.
1-Hydroxy-3,5-dimethoxy-2,4-diprenylxanthone
1-Hydroxy-3,5-dimethoxy-2,4-diprenylxanthone is found in fruits. 1-Hydroxy-3,5-dimethoxy-2,4-diprenylxanthone is a constituent of Garcinia mangostana (mangosteen). Constituent of Garcinia mangostana (mangosteen). 1-Hydroxy-3,5-dimethoxy-2,4-diprenylxanthone is found in fruits.
1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone
1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone is found in fruits. 1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone is a constituent of the heartwood of Garcinia mangostana (mangosteen). Constituent of the heartwood of Garcinia mangostana (mangosteen). 1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone is found in fruits.
O-Demethylforbexanthone
O-Demethylforbexanthone is found in fruits. O-Demethylforbexanthone is a constituent of Rheedia brasiliensis (bakupari) Constituent of Rheedia brasiliensis (bakupari). O-Demethylforbexanthone is found in herbs and spices and fruits.
Calabaxanthone
Calabaxanthone is found in fruits. Calabaxanthone is a constituent of Garcinia mangostana (mangosteen)
Garcinone B
Constituent of Garcinia mangostana (mangosteen). Garcinone B is found in fruits and purple mangosteen. Garcinone B is found in fruits. Garcinone B is a constituent of Garcinia mangostana (mangosteen)
1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(3-hydroxy-3-methyl-1E-butenyl)-xanthone
1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(3-hydroxy-3-methyl-1E-butenyl)-xanthone is found in fruits. 1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(3-hydroxy-3-methyl-1E-butenyl)-xanthone is a constituent of the heartwood of Garcinia mangostana (mangosteen). Constituent of the heartwood of Garcinia mangostana (mangosteen). 1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(3-hydroxy-3-methyl-1E-butenyl)-xanthone is found in fruits.
1,7-Dihydroxy-3-methoxy-2-prenylxanthone
1,7-Dihydroxy-3-methoxy-2-prenylxanthone is found in fruits. 1,7-Dihydroxy-3-methoxy-2-prenylxanthone is isolated from fruit hulls of Garcinia mangostana (mangosteen
6,11-Dihydroxy-2,2-dimethylpyrano[3,2-c]xanthen-7(2H)-one
6,11-Dihydroxy-2,2-dimethylpyrano[3,2-c]xanthen-7(2H)-one is found in fruits. 6,11-Dihydroxy-2,2-dimethylpyrano[3,2-c]xanthen-7(2H)-one is a constituent of the root bark of Garcinia livingstonei (imbe). Constituent of the root bark of Garcinia livingstonei (imbe). 6,11-Dihydroxy-2,2-dimethylpyrano[3,2-c]xanthen-7(2H)-one is found in fruits.
Gambogenic Acid
Morusignin J
Mangiferin
Mangiferin is a C-glycosyl compound consisting of 1,3,6,7-tetrahydroxyxanthen-9-one having a beta-D-glucosyl residue at the 6-position. It has a role as a hypoglycemic agent, an antioxidant, an anti-inflammatory agent and a plant metabolite. It is a C-glycosyl compound and a member of xanthones. It is functionally related to a xanthone. It is a conjugate acid of a mangiferin(1-). Mangiferin is a natural product found in Salacia chinensis, Smilax bracteata, and other organisms with data available. See also: Mangifera indica bark (part of). A C-glycosyl compound consisting of 1,3,6,7-tetrahydroxyxanthen-9-one having a beta-D-glucosyl residue at the 6-position. Origin: Plant Mangiferin is a Nrf2 activator. Mangiferin suppresses nuclear translocation of the NF-κB subunits p65 and p50. Mangiferin exhibits antioxidant, antidiabetic, antihyperuricemic, antiviral, anticancer and antiinflammatory activities[1][2][3]. Mangiferin is a Nrf2 activator. Mangiferin suppresses nuclear translocation of the NF-κB subunits p65 and p50. Mangiferin exhibits antioxidant, antidiabetic, antihyperuricemic, antiviral, anticancer and antiinflammatory activities[1][2][3].
Cowaxanthone B
Cowaxanthone B is a natural product found in Garcinia cowa and Cratoxylum arborescens with data available.
Swertianolin
Swertianolin is a xanthone that is bellidifolin in which a beta-Dglucopyranosyl residue is attached at position O-8 via a glycosidic linkage. It is isolated particularly from Gentiana campestris and Gentiana germanica. It has a role as an EC 3.1.1.7 (acetylcholinesterase) inhibitor, an antioxidant and a plant metabolite. It is a beta-D-glucoside, a monosaccharide derivative, an aromatic ether and a xanthone glycoside. It is functionally related to a bellidifolin. Swertianolin is a natural product found in Gentianella amarella, Swertia japonica, and other organisms with data available. A xanthone that is bellidifolin in which a beta-Dglucopyranosyl residue is attached at position O-8 via a glycosidic linkage. It is isolated particularly from Gentiana campestris and Gentiana germanica. Swertianolin, a xanthone isolated from Gentianella Acuta, inhibits acetylcholinesterase (AChE). Swertianolin also exhibits anti-HBV and anti-bacterial activity[1][2]. Swertianolin, a xanthone isolated from Gentianella Acuta, inhibits acetylcholinesterase (AChE). Swertianolin also exhibits anti-HBV and anti-bacterial activity[1][2].
Cratoxyarborenone D
An organic heterotetracyclic compound that is 2,3-dihydro-5H-furo[3,2-b]xanthen-5-one substituted by hydroxy groups at positions 4, 7, 8 and 9, an isoprenyl group at position 6 and a prop-1-en-2-yl group at position 2. It is isolated from Cratoxylum Sumatranum and exhibits cytotoxicity towards the KB (human oral epidermoid) cancer cell line. Cratoxyarborenone D has been reported in Cratoxylum and Cratoxylum sumatranum
Cochinchinone C
A polycyclic cage that is a prenylated-caged xanthone isolated from Cratoxylum cochinchinense and has been shown to exhibit antimalarial and antioxidant activities.
brasixanthone C
A member of the class of pyranoxanthones that is 2H,6H-pyrano[3,2-b]xanthen-6-one substituted by a 2-hydroperoxy-3-methylbut-3-en-1-yl moiety at position 12, hydroxy groups at positions 5 and 8 and geminal methyl groups at position 2. It is isolated from the stem bark of Calophyllum brasiliense and exhibits significant inhibitory activity against 12-O-tetradecanoylphorbol-13-acetate induced Epstein-Barr virus early antigen activation in Raji cells.
paxanthonin
A member of the class of xanthones that is 9H-xanthen-9-one substituted by a 2,2-dimethyl-4-(prop-1-en-2-yl)cyclopentyl group at position 2, hydroxy groups at positions 1, 3 and 6 and a methoxy group at position 5. It is isolated from the callus of Hypericum perforatum and exhibits antioxidant and antimicrobial activities.
Garciniaxanthone H
A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 2, 5 and 8, methoxy group at position 1 and a 2-methylbut-3-en-2-yl group at position 4. Isolated from the woods of Garcinia subelliptica, it exhibits antioxidant activity.
Cratoxyarborenone E
A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3 and 7, isoprenyl groups at positions 4 and 5 and a methoxy group at position 6. It is isolated from Cratoxylum Sumatranum and exhibits cytotoxicity towards the KB (human oral epidermoid) cancer cell line.
CRATOXYARBORENONE F
A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1 and 6 and a methoxy group at position 4. It is isolated from Cratoxylum Sumatranum and exhibits cytotoxicity towards the KB (human oral epidermoid) cancer cell line.
7-[(2E)-3,7-dimethylocta-2,6-dien-1-yl]-1,3,5,6-tetrahydroxy-9H-xanthen-9-one
vieillardixanthone
A member of the class of xanthones that is xanthone substituted by hydroxy groups at positions 1, 5 and 6, a methoxy group at position 3 and a 3-methylbut-1-en-2-yl group at position 4. Isolated from the stem barks of Garcinia vieillardii, it exhibits antioxidant activity.
brasixanthone B
A member of the class of pyranoxanthones that is 2H,6H-pyrano[3,2-b]xanthen-6-one substituted by hydroxy, geminal methyl and a prenyl group at positions 5, 8, 2 and 12 respectively. It is isolated from the stem bark of Calophyllum brasiliense and exhibits significant inhibitory activity against 12-O-tetradecanoylphorbol-13-acetate induced Epstein-Barr virus early antigen activation in Raji cells.
Mangostin
relative retention time with respect to 9-anthracene Carboxylic Acid is 1.514 relative retention time with respect to 9-anthracene Carboxylic Acid is 1.515 alpha-Mangostin (α-Mangostin) is a dietary xanthone with broad biological activities, such as antioxidant, anti-allergic, antiviral, antibacterial, anti-inflammatory and anticancer effects. It is an inhibitor of mutant IDH1 (IDH1-R132H) with a Ki of 2.85 μM. alpha-Mangostin (α-Mangostin) is a dietary xanthone with broad biological activities, such as antioxidant, anti-allergic, antiviral, antibacterial, anti-inflammatory and anticancer effects. It is an inhibitor of mutant IDH1 (IDH1-R132H) with a Ki of 2.85 μM.
gambogic acid
Gambogic Acid (Beta-Guttiferrin) is derived from the gamboges resin of the tree Garcinia hanburyi. Gambogic Acid (Beta-Guttiferrin) inhibits Bcl-XL, Bcl-2, Bcl-W, Bcl-B, Bfl-1 and Mcl-1 with IC50s of 1.47 μM, 1.21 μM, 2.02 μM, 0.66 μM, 1.06 μM and 0.79 μM. Gambogic Acid (Beta-Guttiferrin) is derived from the gamboges resin of the tree Garcinia hanburyi. Gambogic Acid (Beta-Guttiferrin) inhibits Bcl-XL, Bcl-2, Bcl-W, Bcl-B, Bfl-1 and Mcl-1 with IC50s of 1.47 μM, 1.21 μM, 2.02 μM, 0.66 μM, 1.06 μM and 0.79 μM.
garcinone B
Garcinone C
Garcinone C, a xanthone derivative, is a natural compound extracted from Garcinia oblongifolia that is used as an anti-inflammatory, astringency and granulation-promoting medicine, and has potential cytotoxic effects on certain cancers. Garcinone C stimulates the expression levels of ATR and 4E-BP1, while efficiently inhibiting the expression levels of cyclin B1, cyclin D1, cyclin E2, cdc2, Stat3 and CDK7. Garcinone C significantly inhibits cell viability of the human Nasopharyngeal carcinoma (NPC) cell lines CNE1, CNE2, HK1 and HONE1 in a time? and dose?dependent manner[1].
1,7-Dihydroxy-3-methoxy-2-prenylxanthone
Calabaxanthone
demethylcalabaxanthone
8-Desoxygartanin
8-Deoxygartanin, a prenylated xanthones from G. mangostana, is a selective inhibitor of butyrylcholinesterase (BChE)[1]. 8-Deoxygartanin exhibits antiplasmodial activity with an IC50 of 11.8 μM for the W2 strain of Plasmodium falciparum[2]. 8-Deoxygartanin inhibits NF-κB (p65) activation with an IC50 of 11.3 μM[3]. 8-Deoxygartanin, a prenylated xanthones from G. mangostana, is a selective inhibitor of butyrylcholinesterase (BChE)[1]. 8-Deoxygartanin exhibits antiplasmodial activity with an IC50 of 11.8 μM for the W2 strain of Plasmodium falciparum[2]. 8-Deoxygartanin inhibits NF-κB (p65) activation with an IC50 of 11.3 μM[3].
garcinone D
β-Mangostin
beta-Mangostin (β-Mangostin) is a xanthone compound present in Cratoxylum arborescens, with antibacterial and antimalarial activities. beta-Mangostin exhibits antimycobacterial activity against Mycobacterium tuberculosis with an MIC of 6.25 μg/mL. beta-Mangostin possesses in vitro antimalarial activity against Plasmodium falciparum, with an IC50 of 3.00 μg/mL. beta-Mangostin has potent anticancer activity against various cancers (such as hepatocellular carcinoma, leukaemic)[1][2][3][4]. beta-Mangostin (β-Mangostin) is a xanthone compound present in Cratoxylum arborescens, with antibacterial and antimalarial activities. beta-Mangostin exhibits antimycobacterial activity against Mycobacterium tuberculosis with an MIC of 6.25 μg/mL. beta-Mangostin possesses in vitro antimalarial activity against Plasmodium falciparum, with an IC50 of 3.00 μg/mL. beta-Mangostin has potent anticancer activity against various cancers (such as hepatocellular carcinoma, leukaemic)[1][2][3][4].
Mangiferin 6'-gallate
1,6-Dihydroxy-3,7-dimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone
1,3-Dihydroxy-6,7-dimethoxy-2-(2-hydroxy-3-methyl-3-butenyl)-8-(3-methyl-2-butenyl)-xanthone
1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(3-hydroxy-3-methyl-1E-butenyl)-xanthone
1-Hydroxy-3,6,7-trimethoxy-2-(3-methyl-2-butenyl)-8-(2-hydroxy-3-methyl-3-butenyl)-xanthone
6,11-Dihydroxy-2,2-dimethylpyrano[3,2-c]xanthen-7(2H)-one
1,7-Dihydroxy-3,6-dimethoxy-2,8-diprenylxanthone
3,5-Di-O-methyl-8-deoxygartanin
Cochinchinone A
A natural product found in Cratoxylum cochinchinense. A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3 and 7, a prenyl group at position 2 and a geranyl group at position 4. Isolated from Cratoxylum cochinchinense, it exhibits cytotoxic and antioxidant activities.
Cochinchinone B
A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3, 6 and 7, a prenyl group at position 2 and a geranyl group at position 5. Isolated from Cratoxylum cochinchinense, it exhibits antioxidant activity.
Jacarelhyperol B
A member of the class of pyranoxanthones isolated from Hypericum japonicum. It has been found to exhibit inhibitory activity against platelet-activating factor (PAF)-induced hypertension.
Brasixanthone D
A member of the class of pyranoxanthones that is 2H,6H-pyrano[3,2-b]xanthen-6-one substituted by a 2-[(2S)-3,3-dimethyloxiran-2-yl]-2-hydroxyethyl group at position 12, hydroxy groups at positions 5 and 8 and geminal methyl groups at position 2. It is isolated from the stem bark of Calophyllum brasiliense and exhibits significant inhibitory activity against 12-O-tetradecanoylphorbol-13-acetate induced Epstein-Barr virus early antigen activation in Raji cells.