Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 345275
Title Sorghum grain as human food in Africa: relevance of content of starch and amylase activities
Author(s) Dicko, M.H.; Gruppen, H.; Traore, A.S.; Voragen, A.G.J.; Berkel, W.J.H. van
Source African journal of biotechnology 5 (2006)5. - ISSN 1684-5315 - p. 384 - 395.
Department(s) Biochemistry
Food Chemistry
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2006
Keyword(s) bicolor l moench - beta-amylase - alpha-amylase - kernel characteristics - protein digestibility - functional ingredient - chemical-composition - partial-purification - cultivated sorghum - fermented sorghum
Abstract Sorghum is a staple food grain in many semi-arid and tropic areas of the world, notably in Sub-Saharan Africa because of its good adaptation to hard environments and its good yield of production. Among important biochemical components for sorghum processing are levels of starch (amylose and amylopectin) and starch depolymerizing enzymes. Current research focus on identifying varieties meeting specific agricultural and food requirements from the great biodiversity of sorghums to insure food security. Results show that some sorghums are rich sources of micronutrients (minerals and vitamins) and macronutrients (carbohydrates, proteins and fat). Sorghum has a resistant starch, which makes it interesting for obese and diabetic people. In addition, sorghum may be an alternative food for people who are allergic to gluten. Malts of some sorghum varieties display a-amylase and ß-amylase activities comparable to those of barley, making them useful for various agro-industrial foods. The feature of sorghum as a food in developing as well as in developed countries is discussed. A particular emphasis is made on the impact of starch and starch degrading enzymes in the use of sorghum for some African foods, e.g. ¿tô¿, thin porridges for infants, granulated foods ¿couscous¿, local beer ¿dolo¿, as well agro-industrial foods such as lager beer and bread.
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