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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/18664
Title: Influence of cassava storage root development and environmental conditions on starch granule size distribution
Authors: Prapapan Teerawanichpan
Manassawe Lertpanyasampatha
Supatcharee Netrphan
Saiyavit Varavinit
Opas Boonseng
Jarunya Narangajavana
Mahidol University
Thailand National Center for Genetic Engineering and Biotechnology
Rayong Field Crops Research Center
Keywords: Agricultural and Biological Sciences;Chemistry
Issue Date: 1-Dec-2008
Citation: Starch/Staerke. Vol.60, No.12 (2008), 696-705
Abstract: Among starch producing crops, cassava has a higher carbohydrate production than others under suboptimal conditions, more than 163 × 106 t of cassava starch are produced world-wide each year and are used for direct human consumption, animal feeds and as raw material for a wide range of industrial products. A basic knowledge of starch characteristics and storage process Is required to improve cassava starch quality and quantity. This report describes a comparative study of morphology, starch granule size distribution and amylose content in cassava storage roots grown under different conditions. Microscopic evaluation reveals that storage roots contain larger starch granules than fibrous roots. The study on three Asian cassava cultivars demonstrates the increment of starch granule size from outermost to innermost layers of storage root, while no significant change is observed in amylose content. The effects of developmental stage and growing season on cassava starch reveals that granule size is significantly influenced by both factors, while the amylose contents only fluctuate in a narrow range. The size of the starch granules increases particularly in the first six months after cultivation. Planting cassava in the beginning of the wet season in Asia yields larger granule sizes than planting in the dry season. The significance of this study lies in better understanding optimal growing conditions for improved starch characteristics and production, leading to a better quality agricultural production of this important food and materials crop. © 2008 WILEY-VCH Verlag GmbH & Co. KGaA.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=58049207969&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/18664
ISSN: 1521379X
00389056
Appears in Collections:Scopus 2006-2010

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