Proanthocyanidin B2

chemical compound

C₃₀H₂₆O₁₂

Proanthocyanidin B2 is …
instance of (P31):
type of chemical entityQ113145171

sublass of (P279):
Procyanidin B-2Q104252503
2-(3,4-dihydroxyphenyl)-8-[(4R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triolQ105327438

External links are
P233canonical SMILESOC=1C=C(O)C2=C(OC(C3=CC=C(O)C(O)=C3)C(O)C2C=4C(O)=CC(O)=C5C4OC(C6=CC=C(O)C(O)=C6)C(O)C5)C1
P231CAS Registry Number15514-06-4
P683ChEBI ID173294
P8494DSSTOX compound identifierDTXCID30218595
P3117DSSTox substance IDDTXSID00935146
P2057Human Metabolome Database IDHMDB0037968
P234InChIInChI=1S/C30H26O12/c31-13-7-20(37)24-23(8-13)41-29(12-2-4-16(33)19(36)6-12)27(40)26(24)25-21(38)10-17(34)14-9-22(39)28(42-30(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,22,26-29,31-40H,9H2
P235InChIKeyXFZJEEAOWLFHDH-UHFFFAOYSA-N
P2064KNApSAcK IDC00060105
P6689MassBank accession IDMSBNK-RIKEN_ReSpect-PS045801
MSBNK-RIKEN_ReSpect-PS045802
MSBNK-RIKEN_ReSpect-PS045807
MSBNK-RIKEN_ReSpect-PS045808
MSBNK-RIKEN_ReSpect-PS045810
MSBNK-RIKEN_ReSpect-PS045901
MSBNK-RIKEN_ReSpect-PS045902
MSBNK-RIKEN_ReSpect-PS045905
MSBNK-RIKEN_ReSpect-PS045907
MSBNK-RIKEN_ReSpect-PS045908
MSBNK-RIKEN_ReSpect-PT104580
MSBNK-RIKEN_ReSpect-PT104590
MSBNK-RIKEN_ReSpect-PT204580
MSBNK-RIKEN_ReSpect-PT204590
MSBNK-RIKEN-PR311119
P2840NSC number143099
P662PubChem CID130556
P11089UniChem compound ID829791

P703found in taxonLitchi chinensisQ13182
Rosa multifloraQ133617
ArecaQ157289
Malus pumilaQ158657
Chaenomeles speciosaQ159324
Lotus pedunculatusQ158164
Psidium guajavaQ166843
Actinidia argutaQ848074
GambierQ910384
Pseudocydonia sinensisQ1334892
Pourouma cecropiifoliaQ2024176
Malus domesticaQ18674606
Lotus uliginosusQ22112213
Actiniopteris radiataQ4676905
Pteris semipinnataQ5223452
Spatholobus suberectusQ10953561
Chamaecrista kleiniiQ15467170
Chaenomeles sinensisQ15535512
Aster bellidiastrumQ27972912
P2067mass578.142426272

Reverse relations

main subject (P921)
Q33228006Apple (Malus pumila) procyanidins fractionated according to the degree of polymerization using normal-phase chromatography and characterized by HPLC-ESI/MS and MALDI-TOF/MS.
Q38894623Chemical analysis and screening as anticancer agent of anthocyanin-rich extract from Uva Caimarona ( Pourouma cecropiifolia Mart.) fruit
Q46066444Flavan-3-ols having a gamma-lactam from the roots of Actinidia arguta inhibit the formation of advanced glycation end products in vitro
Q40193338Immunomodulatory and anticancer activities of flavonoids extracted from litchi (Litchi chinensis Sonn) pericarp
Q110011313New Dimeric Flavans from Gambir, an Extract of Uncaria gambir
Q37292159Peroxidase as the major protein constituent in areca nut and identification of its natural substrates
Q105208043Plant proanthocyanidins. Part 7. Prodelphinidins from Pinus sylvestris
Q53092148Polyphenols and triterpenes from Chaenomeles fruits: chemical analysis and antioxidant activities assessment.
Q43570015Polyphenols from Eucalyptus ovata.
Q104838220Proanthocyanidins from Lotus pedunculatus
Q43456107Quality evaluation of Polygonum multiflorum in China based on HPLC analysis of hydrophilic bioactive compounds and chemometrics.
Q105011904Structures of dimeric, trimeric, and tetrameric procyanidins from Areca catechu L.
Q110011315Synthesis and conformation of procyanidin diastereoisomers
Q105011885Synthesis of condensed tannins. Part 12. Direct access to [4,6]- and [4,8]-all-2,3-cis-procyanidin derivatives from (–)-epicatechin : assessment of bonding positions in oligomeric analogues from Crataegus oxyacantha L.
Q104386590Tannins and related compounds. XCI. Isolation and characterization of proanthocyanidins with an intramolecularly doubly-linked unit from the fern, Dicranopteris pedata Houtt.
Q104838278Tannins and related compounds. XCIII. Occurrence of enantiomeric proanthocyanidins in the leguminosae plants, Cassia fistula L. and C. javanica L.
Q50633628The hypoglycemic effects of guava leaf (Psidium guajava L.) extract are associated with improving endothelial dysfunction in mice with diet-induced obesity.
Q39658403Three New Stereoisomers of Condensed Tannins from the Roots of Rosa multiflora
Q80634451Topoisomerase-II-inhibitory principles from the stems of Spatholobus suberectus

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