Card 241
Question
What does MEQ stand for in food analysis?
Answer
Milli-equivalents
Food analysis
Discover Food analysis: 381 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
381 flashcards
No ratings yet
0 views
Add to my sets
Sign in to add this set to your collection. You will return here afterwards.
Cards in this set
Card 242
Question
Define the saponification number.
Answer
Milligrams of KOH to saponify 1 gram of fat
Card 243
Question
What are the polarities of the stationary and mobile phases in N-HPLC?
Answer
Mobile is non-polar, stationary is polar
Card 244
Question
What does the Karl Fischer test measure?
Answer
Moisture content (usually when present in trace amounts)
Card 245
Question
What is the toluene distillation used for?
Answer
Moisture content determination
Card 246
Question
What method is used to determine the fat content of milk?
Answer
Mojonier, Gerber, Babcock, Rose-Gottlieb
Card 247
Question
What does M stand for with respect to unit of concentration?
Answer
Molarity
Card 248
Question
What property of a protein can be determined using SDS electrophoresis?
Answer
Molecular weight
Card 249
Question
What characteristic of compounds is usually utilized to separate compounds in gas chromotography?
Answer
Molecular weight, polarity, volatility
Card 250
Question
What does NIRS stand for?
Answer
Near Infrared Spectroscopy
Card 251
Question
The Kjeldahl method is the gold standard for measuring the concentration of which specific element in food, used to estimate protein content?
Answer
Nitrogen
Card 252
Question
What do you have to correct for after total dietary fiber?
Answer
Nitrogen in ash from protein
Card 253
Question
What does the acronym NPN stand for in food analysis?
Answer
Non-protein nitrogen
Card 254
Question
What type of HPLC utilizes a polar column and a less polar solvent (stationary phase)?
Answer
Normal Phase HPLC
Card 255
Question
What is the full form of N with respect to unit of concentration?
Answer
Normality
Card 256
Question
What does the acronym associated w/food analysis techniques 'NMR' stand for?
Answer
Nuclear Magnetic Resonance
Card 257
Question
For the fluorescent analysis of vitamin C, dehydroascorbic acid is allowed to react with what compound to form a fluorescent derivative?
Answer
O-phenylenediamine (or dimethyl-O-phenylenediamine)
Card 258
Question
What is the full form of OMA wrt food analysis?
Answer
Official Methods of Analysis
Card 259
Question
According to Codex Alimentarius, what is the difference between extra virgin olive oil and olive oil?
Answer
Oleic acid
Card 260
Question
Which method is commonly used to determine moisture content in foods?
Answer
Oven drying.
How to use this set
Read the preview and check whether the content and answers suit your learning goal. You can add the public set to your sets to study it. Your account shows the available actions.