9005-82-7 Usage
Description
Amylose is a hexosan, a polymer of glucose, and consists of long, straight chains of glucose units joined by a 1,4-glycosidic linkage. It is a polyglucose polysaccharide which, together with amylopectin, makes up starch. Amylose is the inner, relatively soluble portion of starch granules and stains blue with iodine. It is a constituent of starch and is available chiefly as a food ingredient and dietary energy source.
Uses
Used in Enzyme Identification and Characterization:
Amylose is used to identify, differentiate, and characterize amylase enzymes due to its unique properties and interactions with these enzymes.
Used as a Food Additive:
Amylose is used as a thickening agent, a gelling agent, and an emulsion stabilizer in the food industry, providing texture and stability to various food products.
Used in Pharmaceutical Industry:
Amylose is used in the preparation of films and membranes with potential use in drug delivery, offering a versatile platform for controlled release and targeted drug administration.
Used in Agricultural Applications:
Amylose, being a type of polysaccharide and a constituent of starch, is used in agricultural applications. A water-amylose mixture turns blue when iodine is added to it, which can be utilized for testing and identification purposes in agriculture.
Purification Methods
Amylopectin is removed from impure amylose by dispersing in aqueous 15% pyridine at 80-90o (concentration 0.6-0.7%) and allowing the solution to stand at 44-45o for 7days. The precipitate is re-dispersed and recrystallises during 5days. After a further dispersion in 15% pyridine, it is cooled to 45o, allowed to stand at this temperature for 12hours, then cooled to 25o and left for a further 10hours. The combined precipitates are dispersed in warm water, precipitated with EtOH, washed with absolute EtOH, and dried in vacuo [Foster & Paschall J Am Chem Soc 75 1181 1953].
Check Digit Verification of cas no
The CAS Registry Mumber 9005-82-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 9005-82:
(6*9)+(5*0)+(4*0)+(3*5)+(2*8)+(1*2)=87
87 % 10 = 7
So 9005-82-7 is a valid CAS Registry Number.
