| 1. Physicochemical properties: | |||||
| Item | Parameters | Unit | Test results | Specification of poduct | Test method |
| 1 | Content of Starch | % | 86.53 | ≥ 85,0 | TCVN 4594 - 88 |
| 2 | Moisture | % | 12.00 | ≤ 13,0 | TCVN 4326 - 86 |
| 3 | Foreign Matters | % | 0.02 | ≤ 0,1 | TCVN 4587 - 88 |
| 4 | Fiber | % | 0.02 | ≤ 0,05 | TCVN 4590 - 88 |
| 5 | Viscosity | mPa.s | 13400 | ≥ 10000 | 5%,NDJ-1 |
| 6 | pH | - | 5.7 | p5,0 ÷7,0 | 25% Starch Solution |
| 7 | Fineness (# 140) | % | 99.35 | ≥ 99,0 | TCVN 1874 - 86 |
| 8 | Whiteness | % | 91.20 | ≥ 90,00 | YQ-Z-48B(Standard) |
| 2. Microorganism properties: | |||||
| Item | Parameters | Unit | Test results | Specification | Test method |
| 1 | Mesophilic Aerobic Bacteria 350C, 48h | CFU/g | Negative | ≤ 106 | ISO 4833-1:2013 |
| 2 | E.coli | CFU/g | Negative | ≤ 102 | ISO 16649-2:2001 |
| 3 | Coliforms | CFU/g | Negative | ≤ 103 | ISO 4832:2006 |
| 4 | S. Aureus | CFU/g | Negative | ≤ 102 | AOAC : 975.55 |
| 5 | Clostridium Perfringens | CFU/g | Negative | ≤ 102 | ISO 7937:2004 |
| 6 | B. cereus | CFU/g | Negative | ≤ 102 | ISO 7932:2004 |
| 7 | Yeast and Moulds | CFU/g | Negative | ≤ 103 | ISO 21527-2:2008 |
| 3. Heavy metal contain: | |||||
| Item | Parameters | Unit | Test results | Specification | Test method |
| 1 | Lead (Pb) | mg/kg | - | < 0,2 | QTTN/KT3 083:2012 |
| 2 | Cadium | mg/kg | - | < 0,1 | QTTN/KT3 083:2012 |
