摘要:

AbstractThe granular morphology of two types of barley starch, widely different in amylose‐content, has been investigated during the period of starch accumulation. The pattern by which the granules were laid down was markedly different, despite the previously observed similarities in the changes in the ratio and nature of the starch component

ISSN:0038-9056    

DOI:10.1002/star.19730250702

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY

摘要:

AbstractA modification of the existing thiobarbituric acid test for irradiated starch has been devised which eliminates interference caused by side reactions of the thiobarbituric acid and which does not require a sample of unirradiated starch as a standard for comparison. Doses as low as 10 krad have been successfully detected.

ISSN:0038-9056    

DOI:10.1002/star.19730250703

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY

摘要:

AbstractAmylose‐g‐poly(styrene) has been prepared by Fe2+‐H2O2initiation method. Evaluation of chain transfer constant and analysis of the kinetic data indicated a decrease in the extent of the termination of homopolymer and graft copolymer radicals. It also showed an increase in yield of the graft copo

ISSN:0038-9056    

DOI:10.1002/star.19730250704

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY

摘要:

AbstractAlthough glucose syrups are in wide commercial use their constitution is extremely complex and hence the physiological effects of individual components relative to their chemical structures have not been explored. Although the major components of glucose syrups are 1–4 glucosidically linked maltodextrins which may be expected to undergo normal metabolic breakdown, in whole glucose syrups fed to mammals, it is conceivable that differences could occur when glucose syrups are fractionated for different technological purposes.This paper describes experiments on the fractionation of commercial glucose syrups by two different methods and some physiological effects which are observed when these fractions are fed to both male and female rats. Although these are preliminary experiments in this field they do suggest a sex difference in the metabolism of dietary carbohydrates which accords with earlier work in humans and baboons. All rats used in these experiments were young and grew normally. Their external appearance was healthier than that of rats on a normal 41B die

ISSN:0038-9056    

DOI:10.1002/star.19730250705

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY

摘要:

Theoretical and Practical Problems of the Production of Children's Nutrition SugarA new technology for the production of nutrition sugar, a carbohydrate component of baby‐food, was developed. According to the classical technology starch is degraded by malt. Application of industrial amylase preparations led to a simpler and more economic technology. During the examination of the action pattern of α‐amylase of Bac. subtilis it was found by means of14C‐marked starch that the splitting probabilities of terminal bonds are different from those of the interior bonds. The content of maltooligosaccharides in the product met the demands for nutrition sugar. On the basis of our tests nutrition sugar was produced on half‐technical scale. This nutrition sugar consisted to 65% of glucose, maltose and maltotriose, to 20% of maltotetraose, pentaose and hexaose, and to 15% of maltobeptaose and higher glucose

ISSN:0038-9056    

DOI:10.1002/star.19730250706

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY

摘要:

Problems of Heat and Mass Exchange at the Manufacturing of Foodstuffs on Drum DryersThe drum dryer as contact dryer will be presented by means of several drying characteristics. Bases on these experiences there will be demonstrated possibilities of influencing the heat and mass exchange on the drum dryer in respect to a conserving drying by variation of the operation conditions, as drum speed, feeding temperature and air flow. Especially the exhaust of vapours by means of particular devices, as casing of the drying zone, has an important influence on the evaporation capacity respectively on the heat transmission coefficient. In addition to an improved quality of the final product with the improved process it can be demonstrated a better efficiency by saving of investment by a better exploitation of the available drying surface. Additional vapours exhaustion devices have stood the test on drum dryers with high speed and can be recommended there particularly.

ISSN:0038-9056    

DOI:10.1002/star.19730250707

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY

ISSN:0038-9056    

DOI:10.1002/star.19730250708

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY

ISSN:0038-9056    

DOI:10.1002/star.19730250709

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY

ISSN:0038-9056    

DOI:10.1002/star.19730250711

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY

ISSN:0038-9056    

DOI:10.1002/star.19730250701

出版商:WILEY‐VCH Verlag GmbH    

年代:1973

数据来源: WILEY