Document Detail

Alkaline heating of canola and rapeseed meals reduces toxicity for chicks.
MedLine Citation:
PMID:  9839830     Owner:  NLM     Status:  MEDLINE    
A simple method for improving the nutritive quality of canola and high glucosinolate rapeseed meals for monogastric animals (chicks) was developed; the meals were mixed with NaHCO3 and NH4HCO3, then heated in a conventional oven. Chicks fed untreated canola or rapeseed meals gained less weight than those fed a soybean meal diet, whereas chicks fed the alkaline-heated meals had weight gains not significantly different than those fed the soybean diet. The antithyroid effect of the untreated rapeseed meal was reduced by alkaline treatment of the meals, as shown by improved T4 and free T4 levels in chicks fed the processed products. In chicks fed untreated or alkaline-treated canola or alkaline heated rapeseed meal, all thyroid hormone levels were similar to those of birds fed the soybean meal diet. However, heart tissue of chicks fed diets containing rapeseed or canola meals showed muscle fiber degeneration, although relative heart weights were the same in all groups. Liver tissue from most of the chicks in all dietary groups appeared normal or only slightly abnormal. The nutritive value of both rapeseed and canola meals was improved by this simple processing technique.
J E Barrett; C F Klopfenstein; H W Leipold
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Plant foods for human nutrition (Dordrecht, Netherlands)     Volume:  52     ISSN:  0921-9668     ISO Abbreviation:  Plant Foods Hum Nutr     Publication Date:  1998  
Date Detail:
Created Date:  1999-01-26     Completed Date:  1999-01-26     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8803554     Medline TA:  Plant Foods Hum Nutr     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  9-15     Citation Subset:  IM    
Department of Biology, Kansas State University, Manhattan, USA.
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MeSH Terms
Animal Feed*
Body Weight
Brassica* / chemistry
Food Handling
Glucosinolates / chemistry
Hydrogen-Ion Concentration
Myocardium / pathology
Nutritive Value
Organ Size
Plants, Edible*
Thyroid Hormones / metabolism
Reg. No./Substance:
0/Glucosinolates; 0/Salts; 0/Thyroid Hormones

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