Abstract
Sugar-end defect is a tuber quality disorder and persistent problem for the French fry processing industry that causes unacceptable darkening of one end of French fries. This defect appears when environmental stress during tuber growth increases post-harvest vacuolar acid invertase activity at one end of the tuber. Reducing sugars produced by invertase form dark-colored Maillard reaction products during frying. Acrylamide is another Maillard reaction product formed from reducing sugars and acrylamide consumption has raised health concerns worldwide. Vacuolar invertase gene (VInv) expression was suppressed in cultivars Russet Burbank and Ranger Russet using RNA interference to determine if this approach could control sugar-end defect formation. Acid invertase activity and reducing sugar content decreased at both ends of tubers. Sugar-end defects and acrylamide in fried potato strips were strongly reduced in multiple transgenic potato lines. Thus vacuolar invertase silencing can minimize a long-standing French fry quality problem while providing consumers with attractive products that reduce health concerns related to dietary acrylamide.
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Claims 5
Claim · model-written summary
Vacuolar invertase gene expression was suppressed in Russet Burbank and Ranger Russet.
- Taxon
- Potato
Solanum tuberosumt0 - Material
- Russet Burbank and Ranger Russete0
- Gene
- VInve0
- Outcome
- expressione0
- Direction
- suppressede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vacuolar invertase gene (VInv) expression was suppressed in cultivars Russet Burbank and Ranger Russet using RNA interference”
t0“Potato”
Claim · model-written summary
Invertase silencing decreased acid invertase activity at both tuber ends.
- Taxon
- PotatoSolanum tuberosumt0
- Organ / stage
- tuberse0
- Treatment
- Vacuolar Invertase Gene Silencingt0
- Outcome
- Acid invertase activitye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acid invertase activity and reducing sugar content decreased at both ends of tubers.”
t0“Vacuolar Invertase Gene Silencing in Potato”
Claim · model-written summary
Invertase silencing decreased reducing sugar content at both tuber ends.
- Taxon
- PotatoSolanum tuberosumt0
- Organ / stage
- tuberse0
- Treatment
- Vacuolar Invertase Gene Silencingt0
- Outcome
- reducing sugar contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Acid invertase activity and reducing sugar content decreased at both ends of tubers.”
t0“Vacuolar Invertase Gene Silencing in Potato”
Claim · model-written summary
Transgenic potato lines had strongly reduced sugar-end defects.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- multiple transgenic potato linese0
- Outcome
- Sugar-end defectse0
- Direction
- strongly reducede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar-end defects and acrylamide in fried potato strips were strongly reduced in multiple transgenic potato lines.”
t0“Potato”
Claim · model-written summary
Transgenic potato lines had strongly reduced acrylamide in fried strips.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- multiple transgenic potato linese0
- Outcome
- acrylamide in fried potato stripse0
- Direction
- strongly reducede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar-end defects and acrylamide in fried potato strips were strongly reduced in multiple transgenic potato lines.”
t0“Potato”
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