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Food additive sodium tripolyphosphate(STPP)

Detail

Alias: STPP food grade, Sodium Tripolyphosphate for food, pentasodium triphosphate for food
Molecular formula: Na5P3O10
Executive standard: GB 25566-2010

CAS No.:7758-29-4

Packing instruction: Paper bag or PP-PE bag.Net weight 25kg per bag, or based on the customers' requirements.
Quality standard: 

Item

Requirements

Color

White

Structural state

Particle or powder 


Sensory requirements: Should be comply with the following provisions.

Item

Index

  Sodium Tripolyphosphate (Na5P3O10),w/% ≥

85.0

  Total phosphate (P2O5),w/%

56.0~58.0

  Water insoluble matter,w/% ≤

0.1

  Fluoride (Calculated by F)/ (mg/kg)  ≤

50

  Arsenic (As)/ (mg/kg) ≤

3

  Heavy metal (Calculated by Pb)/ (mg/kg) ≤

10

  Lead (Pb)/ (mg/kg) ≤



Usage: Mainly used in meat foods, meat cans and other food industries as quality improver.

Sodium tripolyphosphate/STPP food grade is used as water retaining agent, softening and tenderizing agent. It can enhance protein and globulin, so it can increase the hydration and water retention of meat products, improve the water permeability, promote the softening of food, improve the quality of food, and maintain the good flavor of food.

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