ITEM
SPECIFICATIONS
Color and appearance
White to light yellow Powder
Odor
Characteristic
Ph (2.5% water solution)
2.5-4
Solubility
Easy soluble in water
Powder size
60-80mesh
Test
Total galacturonic acid
≥65
Volatile (%)
≤12
US-SAG
150±5 °
Loss on drying
≤12
Sulfur dioxide(mg/kg)
≤50ppm
Pb
≤5ppm
As
≤2ppm
Moisture
≤10%
Ash
≤4%
Acid insoluble impurity
≤1%
Heavry metal
≤15ppm
Degree of esterification
50-75%
degree of gelation
26-95
Assay:
Pectin
≥99%
Fiber
65%-75%
Carbohydrates
25%-35%
Sugar
25%-35%
Protein
《0.5%
