Abstract
SUMMARY— Wheat samples from three hard red winter and three hard red spring varieties were separated into kernels of varying size. A two‐fold increase in kernel weight was accompanied by a small decrease in protein content and by a substantial decrease in ash (on a percentage basis). Concentrations of free (petroleum‐ether extractable) and of bound lipids (water‐saturated butanol following petroleum‐ether) were higher in small than in large kernels. The hard red spring kernels had, generally, more free lipids than hard red winter kernels; differences in bound lipids were small. Total lipid contents per kernel depended primarily on kernel size, and was affected little by wheat class or variety. Thin‐layer chromatography showed triglycerides as the major nonpolar component, and digalactosyl glyceride and phosphatidyl choline as the major polar components. Concentrations of individual nonpolar or polar components were not affected significantly by kernel size. Differences in concentrations of certain nonpolar components and in the composition of monoglycerides seem to be indicated between lipids of hard red winter and hard red spring wheats. Concentrations of polar lipids in petroleum‐ether extracts varied substantially from the concentrations of individual components in polar lipids extracted with butanol following petroleum‐ether.
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Claims 13
Claim · model-written summary
Doubling kernel weight accompanied a small decrease in protein content.
- Taxon
- Wheat
Triticum aestivume0t0
Not reportedMaterial
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A two‐fold increase in kernel weight was accompanied by a small decrease in protein content”
t0“Wheat”
Claim · model-written summary
Doubling kernel weight accompanied a substantial percentage decrease in ash.
- Taxon
- WheatTriticum aestivume0t0
Not reportedMaterial
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A two‐fold increase in kernel weight was accompanied by a small decrease in protein content and by a substantial decrease in ash (on a percentage basis)”
t0“Wheat”
Claim · model-written summary
Small kernels had higher free lipid concentrations than large kernels.
- Taxon
- WheatTriticum aestivume0t0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Concentrations of free (petroleum‐ether extractable) and of bound lipids (water‐saturated butanol following petroleum‐ether) were higher in small than in large kernels”
t0“Wheat”
Claim · model-written summary
Small kernels had higher bound lipid concentrations than large kernels.
- Taxon
- WheatTriticum aestivume0t0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Concentrations of free (petroleum‐ether extractable) and of bound lipids (water‐saturated butanol following petroleum‐ether) were higher in small than in large kernels”
t0“Wheat”
Claim · model-written summary
Hard red spring kernels generally contained more free lipids than hard red winter kernels.
- Taxon
- WheatTriticum aestivume0t0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The hard red spring kernels had, generally, more free lipids than hard red winter kernels”
t0“Wheat”
Claim · model-written summary
Bound lipid differences between wheat classes were small.
- Taxon
- WheatTriticum aestivume0t0
Not reportedMaterialComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“differences in bound lipids were small”
t0“Wheat”
Claim · model-written summary
Total lipid content per kernel depended primarily on kernel size.
- Taxon
- WheatTriticum aestivume0t0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total lipid contents per kernel depended primarily on kernel size”
t0“Wheat”
Claim · model-written summary
Wheat class or variety had little effect on total lipid content per kernel.
- Taxon
- WheatTriticum aestivume0t0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total lipid contents per kernel depended primarily on kernel size, and was affected little by wheat class or variety”
t0“Wheat”
Claim · model-written summary
Triglycerides were the major nonpolar lipid component.
- Taxon
- WheatTriticum aestivume0t0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Thin‐layer chromatography showed triglycerides as the major nonpolar component”
t0“Wheat”
Claim · model-written summary
Digalactosyl glyceride and phosphatidyl choline were the major polar lipid components.
- Taxon
- WheatTriticum aestivume0t0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“digalactosyl glyceride and phosphatidyl choline as the major polar components”
t0“Wheat”
Claim · model-written summary
Kernel size did not significantly affect concentrations of individual lipid components.
- Taxon
- WheatTriticum aestivume0t0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Concentrations of individual nonpolar or polar components were not affected significantly by kernel size”
t0“Wheat”
Claim · model-written summary
Some nonpolar lipid concentrations and monoglyceride composition appeared to differ between wheat classes.
TriticumNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Differences in concentrations of certain nonpolar components and in the composition of monoglycerides seem to be indicated between lipids of hard red winter and hard red spring wheats”
t0“Wheat”
Claim · model-written summary
Polar lipid concentrations differed substantially between petroleum ether and subsequent butanol extracts.
- Taxon
- WheatTriticum aestivume0t0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Concentrations of polar lipids in petroleum‐ether extracts varied substantially from the concentrations of individual components in polar lipids extracted with butanol following petroleum‐ether”
t0“Wheat”