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Thiaminase is an
enzyme that
metabolizes or
breaks down
thiamine into
pyrimidine and thiazole. It is an
antinutrient when consumed. The old name was "aneurinase"...
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reported that the
thiaminase activity of
gizzard shad in Lake
Griffin was
found to be 16,409 ± 2,121 pmol/g/min. This high rate of
thiaminase activity was...
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contain ptaquiloside, a
compound ****ociated with
bracken toxicity, and
thiaminase. Not all
species contain ptaquiloside, such as
Diplazium esculentum, a...
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Aminopyrimidine aminohydrolase (EC 3.5.99.2,
thiaminase,
thiaminase II, tenA (gene)) is an
enzyme with
systematic name 4-amino-5-aminomethyl-2-methylpyrimidine...
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water to make a dough. The
sporocarp can be
toxic due to high
levels of
thiaminase,
which destroys thiamine.
Consumption of
large amounts can
cause beriberi...
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grazing animals,
including horses. The
toxicity appears to be due to
thiaminase,
which can
cause thiamin (vitamin B1) deficiency.
Equisetum species may...
- high-carbohydrate feeds,
leading to the
overgrowth of
thiaminase-producing bacteria, but
dietary ingestion of
thiaminase (e.g., in
bracken fern), or
inhibition of...
-
consumption of thiamine.
Thiamine availability is also
regulated by
thiaminases,
which are
enzymes that
readily cleave thiamine molecules and inhibit...
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captivity it is
recommended to feed them a diet of 30%
frozen thawed,
thiaminase free
freshwater fish and 70% earthworms, ****roaches and
small terrestrial...
- ruminants,
intestinal bacteria synthesize thiamine and
thiaminases. The
bacterial thiaminases are cell
surface enzymes that must
dissociate from the cell...
