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Side Effects of Sodium Tripolyphosphate (STPP)

04/08/2016 admin

Sodium triphosphate (STP), also sodium tripolyphosphate (STPP), or tripolyphosphate (TPP),) is an inorganic compoundwith formula Na5P3O10. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. It is produced on a large scale as a component of many domestic and industrial products, especially detergents. Environmental problems associated with eutrophication are attributed to its widespread use.


General Side Effects

No significant side effects reported.


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Official Suggested Dosage

ADI: NOT LIMITED (Acceptable Daily Intake)

MTDI: NOT LIMITED (Maximum Tolerable Daily Intake)

Data Source: JECFA Database of WHO


STP is widely known as safe, there is no limit on dosage of intake. There is no proof showing that acquiring STP will do any harm to special groups, including newborns, children, pregnant, and other applicable vulnerable groups. It should be safe to use STP in food and beverages as a food additive without any side effects. However, we still recommend consumers to consult food ingredient experts before using large quantity of STP for long period of time. There may be some side effects in large dosage.


GRAS (Generally Recognized as Safe) Substances

Yes. STP is on FDA’s GRAS exemption list, it’s widely accepted and used as a safe food ingredient in many countries.


Sources and Related Researches:

https://en.wikipedia.org/wiki/Citric_acid https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=184.1033 http://pubchem.ncbi.nlm.nih.gov/compound/citric_acid