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Ltryptophan's avatar

Does peanut butter contain a toxin, or toxic fungus?

Asked by Ltryptophan (9109 points ) March 18th, 2010

Someone in my line mentioned that the peanut butter has a tendency to go rancid or worse. They also said their husband was a molecular biologist and that pb has a toxin, or toxic fungus or both in it. Anyone hear something similar?

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7 Answers

figbash's avatar

Yes! Aflatoxin. There’s a lot of information on this but here’s a start!

Ltryptophan's avatar

Adios, pbj!

Shae's avatar

Well I live in the Peanut Capital of the world. More peanuts are grown in a 50 mile radius of me than anywhere else. If they are toxic, I’m in trouble.

During the fall I breath peanut dust all day everyday and so far no health problem.

lilikoi's avatar

@Shae Where’s that? I might want to visit!

faye's avatar

I wouldn’t give it up for that tiny risk!

Aster's avatar

PEANUT BUTTER Insect filth
(AOAC 968.35) Average of 30 or more insect fragments per 100 grams
Rodent filth
(AOAC 968.35) Average of 1 or more rodent hairs per 100 grams
Grit
(AOAC 968.35) Gritty taste and water insoluble inorganic residue is more than 25 mg per 100 grams

DEFECT SOURCE: Insect fragments – preharvest and/or post harvest and/or processing insect infestation, Rodent hair – post harvest and/or processing contamination with animal hair or excreta, Grit – harvest contamination
SIGNIFICANCE: Aesthetic

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