Fructose / Glucose Assay Kit Food Composition Testing Robust Enzyme Based Assay

Fructose/Glucose Assay Kit

Product Description

REAGEN^™ Fructose/Glucose Assay Kit is a cuvette-based enzymatic assay for the determination of Fructose/Glucose across a variety of food samples. The kit uses a spectrophotometric, kinetic assay to detect the enzymatic degradation of Fructose/Glucose directly from food samples.

The unique features of the kit are:

1.High sensitivity and low detection limit (0.8 ppm)

2.High reproducibility

3.A rapid (30 minute), robust enzyme-based assay

Procedure Overview

REAGEN^™ Fructose/Glucose Assay Kit uses a coupled enzymatic reaction to detect glucose and/or fructose in food samples: glucose is detected by phosphorylation with hexokinase to make glucose-6-phosphate (G-6-P). This compound is then used as a substrate by the enzyme glucose-6-phosphate dehydrogenase to convert NADP+ to NADPH. This conversion, measured at 340 nm, is proportional to the level of glucose in the sample. Fructose is detected in similar manner after it is specifically converted to glucose-6-phosphate (G-6-P) using the enzyme phosphoglucose isomerase (PGI).

The absorbance of each sample at 340 nm is measured using a spectrophotometer. The concentration of glucose in each sample is then directly determined from the change in absorbance at 340 nm within 30 minutes.

Kit Contents, Storage and Shelf Life

REAGEN^™ Fructose/Glucose Assay Kit has the capacity for 48 determinations or 24 determinations in duplicate. Store the kit at 4°C. The shelf life of the kit is 12 months, after receipt, when the kit is properly stored.

Sensitivity (Detection Limit)