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HomeProduct name listROQUEFORTINE C

ROQUEFORTINE C

Synonym(s):2H-Pyrazino[1′,2′:1,5]pyrrolo[2,3-b]indole-1,4(3H,5aH)-dione, 10b-(1,1-dimethyl-2-propen-1-yl)-6,10b,11,11a-tetrahydro-3-(1H-imidazol-5-ylmethylene)-,(3E,5aS,10bR,11aS)-;Roquefortine from Penicillium roqueforti

ROQUEFORTINE C Structural

What is ROQUEFORTINE C?

Description

The third alkaloid isolated from a surface culture of Penicillium roqueforti, roquefortine C is present in only small quantities and the amount obtained is insufficient for the full structure to be established.

Description

Roquefortine C is a mycotoxin that was first isolated from a strain of P. roqueforti, a species of Penicillium commercially used to ripen blue-veined cheeses. It has also been isolated from other members of the Penicillium genus found in contaminated food products where it displays neurotoxic properties. It has been shown to both activate a P-glycoprotein transport system involved in the efflux of xenobiotics and to inhibit cytochrome P450 3A detoxification enzymes. It has also been used as a biomarker for penitrem A intoxication.

The Uses of ROQUEFORTINE C

Roquefortine C is a potent tremorgenic mycotoxin originally isolated from Penicillium roqueforti in 1975 in Japan. Parallel research by Scott and colleagues lead to the structure elucidation of roquefortine C as an unusual diketopiperazine formed by coupling a prenylated tryptophan and histidine. Roquefortine C was subsequently found to be produced by a diverse range of fungi, most notably Penicillium species. Roquefortine is an important mycotoxin as low levels can be found in foodstuffs.

The Uses of ROQUEFORTINE C

Roquefortine C has been used as a standard for the quantification of roquefortine C by high-performance liquid chromatography (HPLC). It has also been used as a standard for the quantification of roquefortine C by liquid chromatography-mass spectrometry (LC?MS/MS).

What are the applications of Application

Roquefortine C is a potent neurotoxin produced most notably by Penicillium species

Definition

ChEBI: Roquefortine C is a pyrroloindole.

Biochem/physiol Actions

Roquefortine C is a paralytic neurotoxin of a dioxopiperazine structure produced by a diverse range of fungi, most notably Penicillium species. It has been found in blue cheese and in many other food products due to natural occurrence and contamination. Roquefortine C was found to be active on a wide range of organisms. It inhibits the growth of Gram-positive bacteria, and cockerels treated with roquefortine lost their righting reflex and died within 8-12 hours. Mice injected with roquefortine C experienced neurotoxic properties. Roquefortine C was also reported to inhibit cytochrome P450 as well as tubulin polymerization.

References

Ohmono et al., Agr. Bioi. Chem., 39, 1333 (1975)

Properties of ROQUEFORTINE C

Melting point: 202-205℃
Boiling point: 768.3±60.0 °C(Predicted)
Density  1.37±0.1 g/cm3(Predicted)
storage temp.  -20°C
solubility  chloroform: soluble1mg/mL
form  White to off-white solid.
pka 11.10±0.40(Predicted)
color  White to off-white
Stability: Hygroscopic

Safety information for ROQUEFORTINE C

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
Precautionary Statement Codes P280:Wear protective gloves/protective clothing/eye protection/face protection.

Computed Descriptors for ROQUEFORTINE C

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