Abstract
A significant increase in the AME value of some wheats for chickens following storage for 4 months has been reported (Choct and Hughes 1997), and the activation of endogenous glycanases in these wheats was suspected as a possible mechanism for the improvement. Examination of changes in the protein and fibre composition associated with wheat storage may provide an explanation for the observed change in nutritive value. Eleven wheat samples harvested in 1999/2000 from south–western Australia were used in the study. Chemical composition of the wheats was determined one month after harvest and again seven months later. The grain was stored in sealed, metal –sided bins in a grain storage shed during this time. One –way ANOVA was used to assess the effects of storage on selected chemical components of the wheats. The major changes in chemical composition of wheat during storage were decreased starch (29%, NS) and soluble non–starch polysaccharide (NSP; 27%, P<0.01) contents, and increased contents of crude protein (13%, NS) and free sugars (63%, P<0.001). Among the free sugars, mannose and glucose were the major monomers that increased during storage (35% and 62%, respectively). Jood et al. (1993) also reported increased free sugars and decreased starch contents in wheat following four months of storage. The decrease
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Claims 6
Claim · model-written summary
Wheat starch content decreased by 29% during storage, without statistical significance.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- storagee2
- Outcome
- starche0
- Direction
- decreasede0
- Value
- 29%e0
- Comparator
- one month after harveste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased starch (29%, NS)”
e1“Chemical composition of the wheats was determined one month after harvest and again seven months later”
e2“wheat during storage”
t0“wheat”
Claim · model-written summary
Soluble non-starch polysaccharide content decreased by 27% during storage.
- Taxon
- wheatTriticum aestivume1
- Treatment
- storagee1
- Outcome
- soluble non–starch polysaccharidee0
- Direction
- decreasede1
- Value
- 27%e0
- Comparator
- one month after harveste2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soluble non–starch polysaccharide (NSP; 27%, P<0.01) contents”
e1“The major changes in chemical composition of wheat during storage were decreased starch (29%, NS) and soluble non–starch polysaccharide (NSP; 27%, P<0.01) contents”
e2“Chemical composition of the wheats was determined one month after harvest and again seven months later”
Claim · model-written summary
Crude protein content increased by 13% during storage without statistical significance.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- storagee2
- Outcome
- crude proteine0
- Direction
- increasede0
- Value
- 13%e0
- Comparator
- one month after harveste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased contents of crude protein (13%, NS)”
e1“Chemical composition of the wheats was determined one month after harvest and again seven months later”
e2“wheat during storage”
t0“wheat”
Claim · model-written summary
Free sugar content increased by 63% during storage.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- storagee2
- Outcome
- free sugarse0
- Direction
- increasede0
- Value
- 63%e0
- Comparator
- one month after harveste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased contents of crude protein (13%, NS) and free sugars (63%, P<0.001)”
e1“Chemical composition of the wheats was determined one month after harvest and again seven months later”
e2“wheat during storage”
t0“wheat”
Claim · model-written summary
Mannose increased by 35% during storage.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mannose and glucose were the major monomers that increased during storage (35% and 62%, respectively)”
t0“wheat”
Claim · model-written summary
Glucose increased by 62% during storage.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mannose and glucose were the major monomers that increased during storage (35% and 62%, respectively)”
t0“wheat”
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