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S2004

Sigma-Aldrich

Starch from potato

Soluble

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About This Item

Linear Formula:
(C6H10O5)n
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352201
PubChem Substance ID:
NACRES:
NA.21

biological source

potato

Quality Level

form

powder

color

white

useful pH range

5.0-7.5 (2% in water)

storage temp.

room temp

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General description

Starch is a carbohydrate reserve in plants and a major source of energy for humans. In plants, starch is found in chloroplasts of leaf and in the amyloplasts of tuber and seeds. Structurally, starch consists of two major polysaccharides, namely amylose and amylopectin. Both consists of chains of -(1,4)-linked D-glucose residues interconnected through -(1,6)-glycosidic linkages. Potato starch is superior to others, functionally, because of its low lipid level. Nutritional composition of starch comprises of rapidly digestible starch, slowly digestible starch, and resistant starch (RS). Amylases are the starch degrading enzymes. Starch digestibility affects the blood glucose levels and is controlled by factors like carbohydrate contents of foods, nutritional composition of starch and cooking foods. Inhibition of pancreatic amylase is of therapeutic importance for delaying starch digestion, to prevent postprandial hyperglycemia. Food industries use starch as thickening agent.

Application

Starch from potato has been used as a substrate for α-amylase inhibition assay, by use of raw and cooked food samples and aerial parts of Trichosanthes cucumerina Linn, as a substrate to determine SusG activity, in animal gut microbiota activity using DNSA assay.

Other Notes

To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


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Slide 1 of 4

1 of 4

Starch: as simple as A, B, C?
Wang TL, et al.
Journal of Experimental Botany, 49(320), 481-502 (1998)
Comparative Analysis of Nutritional and Bioactive Properties of Aerial Parts of Snake Gourd (Trichosanthes cucumerina Linn.)
Liyanage R, et al.
International journal of food science, 2016 (2016)
Extraction and Optimization of Potato Starch and Its Application as a Stabilizer in Yogurt Manufacturing
Altemimin AB
Foods (Basel, Switzerland), 7(2), 14-14 (2018)
Amylases: Characteristics and industrial applications
Saini R, et al.
Journal of Pharmacognosy and Phytochemistry, 6(4), 1865-1871 (2017)
Understanding starch structure: Recent progress
Bertoft E
Agronomy, 7(3), 56-56 (2017)

Protocols

Objective: To standardize a procedure for determining the enzymatic activity of Pectinase.

This procedure may be used for the determination of Amyloglucosidase activity using starch as the substrate.

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