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Pre-programmed Convenience
The versatility of the DietQuest spectrophotometers is illustrated
by the partial list of pre-programmed tests shown. Tests may be
modified, or new tests programmed and stored by the user.
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| Food |
Analyte |
Method |
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Beverage |
Analyte |
Method |
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| Baby food |
Nitrate |
MEBAFA |
|
Beer |
Copper |
EBC |
| Barley |
b-Glucan |
EBC |
|
Beer |
Copper |
EBC |
| Barley |
a-Amylase |
ICC |
|
Beer |
Nitrate |
MEBAK |
| Caramel |
Colour |
EBC |
|
Beer |
Bitterness |
AOAC |
| Cereal adjuncts |
Colour |
EBC |
|
Beer |
Colour |
AOAC |
| Cheese |
Citric acid |
AOAC |
|
Beer |
D-Glucose |
MEBAK |
| Egg |
Carotenoids |
AOAC |
|
Beer |
Bitterness |
EBC |
| Egg, yolk |
Colour |
AOAC |
|
Beer |
Colour |
EBC |
| Flour |
Pigment |
AOAC |
|
Beer |
Polyphenols |
EBC |
| Foodstuffs |
Sulphite |
UDC |
|
Beer |
Vicinal Diketones |
EBC |
| Macaroni |
Carotenoids |
AOAC |
|
Beer, low alc. |
Ethanol |
EBC |
| Malt |
Colour |
EBC |
|
Beverages, coffee |
Caffeine |
AOAC |
| Malt |
b-Glucan |
EBC |
|
Beverages, non alc. |
Caffeine |
AOAC |
| Malts |
Colour |
EBC |
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Beverages, tea |
Caffeine |
AOAC |
| Milk, dried |
Lactic acid |
IDF |
|
Diabetic beer |
D-Glucose |
MEBAFA/B-M |
| Olive oil |
Quality |
OJEC |
|
Fruit juice |
Glycerol |
MEBAFA/B-M |
| Seafood |
Histamine |
AOAC |
|
Fruit & veg. juice |
L-Lactic acid |
BS-EN |
| Spice, pepper |
Piperine |
AOAC |
|
Malt beer |
Colour |
EBC |
| Sugar |
Colour |
ICUMSA |
|
Milk |
L&D-Lactic acid |
DIN |
| Tomato ketchup |
Acetic acid |
MEBAFA |
|
Orange juice |
Adulteration |
AOAC |
| Wheat |
a-Amylase |
ICC |
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Spirits, Distilled |
Fusel oil |
AOAC |
| Wort |
Colour |
EBC |
|
Wine |
D-Glucose/Fructose |
OIV |
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Application : Adulteration of processed Florida Orange Juice
Juice must not contain pulpwash solids. Using method AOAC 986.14
adulteration is measured by comparison of spectra, and using the
adjusted sum of absorbances at 443, 325 and 250nm and their ratio
at 443 : 325nm.
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