IT1050169B - Amylose films without amlopectine prodn - Google Patents

Amylose films without amlopectine prodn

Info

Publication number
IT1050169B
IT1050169B IT5454870A IT5454870A IT1050169B IT 1050169 B IT1050169 B IT 1050169B IT 5454870 A IT5454870 A IT 5454870A IT 5454870 A IT5454870 A IT 5454870A IT 1050169 B IT1050169 B IT 1050169B
Authority
IT
Italy
Prior art keywords
amylose
films
prefd
polymerisation
plasticiser
Prior art date
Application number
IT5454870A
Other languages
Italian (it)
Original Assignee
Hayashibara Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP44089516A external-priority patent/JPS4835353B1/ja
Application filed by Hayashibara Co filed Critical Hayashibara Co
Application granted granted Critical
Publication of IT1050169B publication Critical patent/IT1050169B/en

Links

Abstract

Amylose obtained by hydrolysis of starch with alpha-1,6-glucosidase is used together with a suitable plasticiser to prepare amylose films of which the amylose has differing degrees of polymerisation and contains hardly any amylopectin. The hydrolysed starch is pref. fractionated to give the desired content of long-chain amylose with a degree of polymerisation of more than 100. The prefd. plasticiser used is a polyalcohol and the prefd. enzyme is obtained from species Pseudomonas. The films produced from this material may be used as packing materials for food in powder-form and for deep-freeze meat products. The films have improved resistance against oil, are little permeable for oxygen and have good mechanical props. They are transparent and show nearly 100% light-transmittance.
IT5454870A 1969-11-09 1970-11-07 Amylose films without amlopectine prodn IT1050169B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP44089516A JPS4835353B1 (en) 1969-11-09 1969-11-09
JP9918270 1970-12-10

Publications (1)

Publication Number Publication Date
IT1050169B true IT1050169B (en) 1981-03-10

Family

ID=26430937

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5454870A IT1050169B (en) 1969-11-09 1970-11-07 Amylose films without amlopectine prodn

Country Status (1)

Country Link
IT (1) IT1050169B (en)

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