Pinobanksin

Pinobanksin
	IUPAC name (2S,3R)-3,5,7-Trihydroxy-2-phenyl-chroman-4-one
	Other names 3,5,7-trihydroxyflavanone, 3,5,7-trihydroxy-2-phenyl-2,3-dihydro-4H-chromen-4-one
Identifiers
CAS number	548-82-3
PubChem	73202
ChemSpider	65962
ChEMBL	CHEMBL608410
Jmol-3D images	Image 1
	SMILES O=C2c3c(O[C@H](c1ccccc1)[C@H]2O)cc(O)cc3O ;
	InChI InChI=1S/C15H12O5/c16-9-6-10(17)12-11(7-9)20-15(14(19)13(12)18)8-4-2-1-3-5-8/h1-7,14-17,19H/t14-,15+/m0/s1 ; Key: SUYJZKRQHBQNCA-LSDHHAIUSA-N InChI=1/C15H12O5/c16-9-6-10(17)12-11(7-9)20-15(14(19)13(12)18)8-4-2-1-3-5-8/h1-7,14-17,19H/t14-,15+/m0/s1; Key: SUYJZKRQHBQNCA-LSDHHAIUBG ;
Properties
Molecular formula	C15H12O5
Molar mass	272.25 g/mol
Exact mass	272.068473 u
	(verify) (what is: /?); Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
	Infobox references

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Pinobanksin is an antioxidant bioflavonoid (specifically a dihydroflavonol, a category of flavonol) that inhibits peroxidation of low density lipoprotein and it has electron donor properties reducing alpha-tocopherol radicals. It is present in sunflower honey.^[1]

Pinobanksin can be obtained from pinocembrin.

[edit] References

^ Identification of Flavonoids in Sunflower Honey. S. Sabatier, M.J. Amiot, M. Tacchini and S. Aubert, Journal of Food Science, Volume 57, Issue 3, pp. 773–774, May 1992, doi:10.1111/j.1365-2621.1992.tb08094.x