Alternariol

Alternariol (commonly abbreviated as AOH) is a toxic metabolite of Alternaria fungi.^[1] It is an important contaminant in cereals and fruits.^[2] Alternariol exhibits antifungal and phytotoxic activity. It is reported to inhibit cholinesterase enzymes.^[3] It is also a mycoestrogen.

Quick facts Names, Identifiers ...

Alternariol

Names
Preferred IUPAC name 3,7,9-Trihydroxy-1-methyl-6H-dibenzo[b,d]pyran-6-one
Other names 3,7,9-Trihydroxy-1-methyl-6H-benzo[c]chromen-6-one
Identifiers
CAS Number	641-38-3 Y
3D model (JSmol)	Interactive image Interactive image
ChEBI	CHEBI:64983 N
ChEMBL	ChEMBL519982 Y
ChemSpider	4514301 Y
ECHA InfoCard	100.164.145
KEGG	C16838 Y
PubChem CID	5359485
UNII	KN9L4260JW Y
CompTox Dashboard (EPA)	DTXSID80214305
InChI InChI=1S/C14H10O5/c1-6-2-7(15)5-11-12(6)9-3-8(16)4-10(17)13(9)14(18)19-11/h2-5,15-17H,1H3 Y Key: CEBXXEKPIIDJHL-UHFFFAOYSA-N Y InChI=1/C14H10O5/c1-6-2-7(15)5-11-12(6)9-3-8(16)4-10(17)13(9)14(18)19-11/h2-5,15-17H,1H3 Key: CEBXXEKPIIDJHL-UHFFFAOYAX
SMILES CC1=CC(=CC2=C1C3=CC(=CC(=C3C(=O)O2)O)O)O Cc1cc(cc2c1c3cc(cc(c3c(=O)o2)O)O)O
Properties
Chemical formula	C14H10O5
Molar mass	258.229 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

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A 2017 in vitro assay study reported alternariol to be a full androgen agonist.^[4]

The acute toxicity of AOH and AME is low, but in vitro the substances show a strong mutagenic and teratogenic effect. The substances are associated with the development of esophageal cancer.^[5]