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Test item |
Method of analysis |
Service cost (in Thai Baht) |
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Common Nutrients |
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1. |
Protein |
Kjeldahl technique |
500 |
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2. |
Total fat |
Acid hydrolysis and solvent extraction |
500 |
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3. |
Ash |
Dry Ashing method |
300 |
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4. |
Moisture |
Drying method (hot air oven) |
300 |
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5. |
Carbohydrate |
By Difference (calculation) |
Included in test item numbers 1–4 |
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6. |
Energy |
Calculation |
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7. |
Dietary fiber |
Enzymatic–Gravimetric method |
3,800 |
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8. |
Total sugar |
HPLC method |
1,500 |
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|
8.1 Glucose |
HPLC method |
1,500 |
||
|
8.2 Fructose |
HPLC method |
1,500 |
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|
8.3 Sucrose |
HPLC method |
1,500 |
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8.4 Lactose |
HPLC method |
1,500 |
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Vitamins |
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9. |
Vitamin A |
HPLC method |
1,500 |
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10. |
β-carotene |
HPLC method |
1,500 |
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11. |
α-Tocopherol |
HPLC method |
1,500 |
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12. |
Vitamin B1 (Thiamin) |
HPLC method |
1,500 |
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13. |
Vitamin B2 (Riboflavin) |
HPLC method |
1,500 |
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14. |
Vitamin C |
HPLC method |
1,500 |
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15. |
Niacin |
HPLC method |
2,000 |
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16. |
Folic acid |
HPLC method |
3,000 |
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Minerals |
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17. |
Sodium |
ICP-OES method |
500 |
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18. |
Potassium |
ICP-OES method |
500 |
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19. |
Magnesium |
ICP-OES method |
500 |
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20. |
Calcium |
ICP-OES method |
500 |
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21. |
Phosphorus |
ICP-OES method |
500 |
||
22. |
Iron |
ICP-OES method |
500 |
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23. |
Zinc |
ICP-OES method |
500 |
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24. |
Copper |
ICP-OES method |
500 |
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25. |
Iodine |
ICP-MS method |
3,500 |
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26. |
Selenium |
ICP-MS method |
3,500 |
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Fatty Acid |
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27. |
Fatty acid (profile) |
Gas Chromatographic |
2,500 |
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28. |
Fatty acid (quantitative + profile) |
Gas Chromatographic |
3,000 |
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29. |
Trans fat |
Gas Chromatographic |
3,500 |
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Others |
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30. |
Cholesterol |
Gas Chromatographic |
2,000 |
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31. |
Amino Acid |
HPLC method |
6,000 |
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32. |
Polyphenol |
HPLC method |
1,500 |
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33. |
Iodine in salt |
Titration |
300 |
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34. |
Iodine in urine |
Microplate Reader |
100 |
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35. |
Nutrition Labeling |
- |
500 |
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36. |
Report in English |
- |
200 |
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