Quiz 4 Answers Flashcards
The phenol-sulfuric acid method is NOT
the assay commonly used to measure total carbohydrate for nutrition label
Easiest and best method for knowing EACH sugar extract (glucose, fructose, sucrose, and maltose)
High-performance liquid chromatography
____ will NOT be present about the grinding and refluxing in 80% ethanol ( will be present)
Glucose (Pectin, Cellulose, Starch)
Heating step in (enzymatic analysis of starch) will cause ____ if sample is not treated prior
Gelatinization of the starch
In the complete procedure for the enzymatic method for quantitation of starch the enzymes used include
Amylase
Glucose oxidase
Peroxidase
(Doesn’t include INVERTASE)
One step that is NOT required in the method to measure total dietary fiber is
The soxhlet solvent extraction assay, on the residue to correct for fat content
Starch consists of
unbranched amylose and branch amylopectin
Monosaccharides are joined by
Glycolytic bonds
Nutritional polysaccharides are
Starch and glycogen
Starch is a
Carbohydrate
Maltose is a disaccharide of
Glucose and glucose
End product of hydrolysis of starch by amylase is
glucose
Anthrone method is preferred in the determination of
Carbohydrates
Carb with a polyhydroxy aldehyde structure
Aldose
Natural starches are mixtures of
Amylose and Amylopectin
