pteroylglutamic acid

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Related to pteroylglutamic acid: pteroylmonoglutamic acid
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Synonyms for pteroylglutamic acid

References in periodicals archive ?
2) Folic acid is chemically known as pteroylglutamic acid (PGA) and is a crystalline substance (no food vitamins are naturally crystalline in structure).
1) In addition, folate (as pteroylglutamic acid used for food fortification) is available as a stable, highly purified powder, which would seem to be ideal for gravimetric preparation of standards.
The form of folate used for food fortification and vitamins is the pteroylglutamic acid (PGA) form because of its well-known stability.
Practice Implications: Pteroylglutamic acid, the synthetic FA found in most supplements including those used in the current trial, is structurally different from natural folates found in food.
Consequently, we evaluated the recovery of spectrophotometrically determined (3) concentrations of supplemental 5-methyltetrahydrofolate (kindly provided by Eprova, Laternenacker, Switzerland) and pteroylglutamic acid (Merck) from sodium ascorbate and from phosphate buffer both before and after dilution of pH 4 hemolysates (n = 16).