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Digestible and Resistant Starch Assay Kit

Digestible and Resistant Starch Assay Kit K-DSTRS
Product code: K-DSTRS
€200.00

40 assays of each per kit

Prices exclude VAT

Available for shipping

Content: 40 assays of each per kit
Shipping Temperature: Ambient
Storage Temperature: Short term stability: 2-8oC,
Long term stability: See individual component labels
Stability: > 2 years under recommended storage conditions
Analyte: Digestible Starch, Resistant Starch, Total Starch
Assay Format: Spectrophotometer
Detection Method: Absorbance
Wavelength (nm): 510
Signal Response: Increase
Linear Range: 5 to 100 µg of D-glucose per assay
Limit of Detection: 2 g/100 g
Reaction Time (min): ~ 360 min
Application examples: Plant materials, starch samples and other materials.

Download the K-DSTRS Flyer

The Digestible and Resistant Starch Assay Kit (K-DSTRS) method is based on the research of Englyst et al. (Ref) with some modifications. Digestion is performed using saturating levels of pancreatic α-amylase (PAA) and amyloglucosidase (AMG), but in stirred containers rather than shaken tubes, to simplify sample removal.

In line with Englyst definitions:

Rapidly digestible starch (RDS) is that starch which is digested within 20 min.

Slowly digestible starch (SDS) is that starch which is digested between 20 and 120 min.

A new term, ‘Total digestible starch (TDS)’ is introduced (and measured) to cover all starch that is digested within 4 h (the average time of residence of food in the human small intestine).

Resistant starch (RS) then, is that starch which is not digested within 4 h.

The incubation conditions parallel those used in AOAC Method 2017.16, a new, rapid integrated procedure for the measurement of total dietary fiber (Megazyme method K-RINTDF). This method is physiologically based and designed to fit the definition of DF announced by Codex Alimentarius in 2009.

Documents
Certificate of Analysis
Safety Data Sheet
Booklet Data Calculator
Safety Information
Symbol : GHS05, GHS08
Signal Word : Danger
Hazard Statements : H314, H315, H319, H334
Precautionary Statements : P260, P261, P264, P280, P284, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P342+P311, P501
Safety Data Sheet
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