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Name:L-Histidine
Synonyms:L-Histidine hydrochloride
Molecular Structure:

Molecular Formula:C6H9N3O2.HCl
Molecular Weight:191.62
CAS Registry Number:1007-42-7
Functions:
L-Histidine is an essential amino acid that cannot be formed by other
nutrients, and must be in the diet to be available to the body.
Most often recognized as a precursor to the allergy symptom producing
hormone histamine, both histidine and histamine have essential roles in
the body beyond tormenting allergy sufferers.
Histamine is well known for its role in stimulating the inflammatory
response of skin and mucous membranes such as those found in the nose -
this action is essential in the protection of these barriers during
infection.
Histamine also stimulates the secretion of the digestive enzyme gastrin.
Without adequate histamine production healthy digestion can become
impaired. Without adequate L-histidine stores, the body cannot maintain
adequate histamine levels.
Less well known is that L-histidine is required by the body to regulate
and utilize essential trace minerals such as copper, zinc, iron,
manganese and molybdenum.
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