Abstract
Abstract BACKGROUND: The potato can make a significant contribution of antioxidants to the human diet. In this study, antioxidant levels in tubers of 14 specialty potato clones grown at four production sites (two conventional, two organic), both fresh and stored, were examined across 2 years. RESULTS: Antioxidant activity of fresh tubers at all locations was higher in 2006 than in 2005. Cooler late‐season temperatures in 2006 may have been responsible for the increased levels of antioxidants. Stored tubers had higher levels of antioxidant activity than fresh tubers, with a larger storage effect in 2005, when antioxidant levels in fresh tubers were lower. There was no consistent effect of production system (organic versus conventional) on antioxidant activity in tubers. CONCLUSION: For the specialty potato clones we evaluated, antioxidant levels were generally highest in potatoes grown in high‐yielding production environments, and they increased during storage. Therefore, potatoes with high nutritional value, in terms of antioxidant activity, can be produced using conventional production and storage systems. Copyright © 2008 Society of Chemical Industry
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Claims 4
Claim · model-written summary
Fresh tuber antioxidant activity was higher in 2006 than 2005 at all locations.
Verbatim
e0“Antioxidant activity of fresh tubers at all locations was higher in 2006 than in 2005.”
Claim · model-written summary
Stored tubers had higher antioxidant activity than fresh tubers, with a larger effect in 2005.
- Taxon
- potato
Solanum tuberosumt0 - Organ / stage
- tuberst0
- Treatment
- Storede0
- Outcome
- antioxidant activitye0
- Direction
- highere0
- Qualifier
- larger storage effect in 2005e0
- Comparator
- fresh tuberse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stored tubers had higher levels of antioxidant activity than fresh tubers, with a larger storage effect in 2005”
t0“potato (Solanum tuberosum L.) tubers”
Claim · model-written summary
Organic versus conventional production showed no consistent effect on tuber antioxidant activity.
- Taxon
- potatoSolanum tuberosumt0
- Organ / stage
- tuberse0
- Treatment
- organice0
- Outcome
- antioxidant activitye0
- Direction
- no consistent effecte0
- Comparator
- conventionale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no consistent effect of production system (organic versus conventional) on antioxidant activity in tubers.”
t0“potato (Solanum tuberosum L.) tubers”
Claim · model-written summary
Antioxidant levels were generally highest in potatoes from high-yielding production environments.
- Taxon
- potatoesSolanum tuberosume0
- Outcome
- antioxidant levelse0
- Direction
- higheste0
- Setting
- high‐yielding production environmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“antioxidant levels were generally highest in potatoes grown in high‐yielding production environments”
The same questions in other papers
cultivation system · quality: phytochemicals · Solanum tuberosum (potato)Positive and negative results
1 paper in the same direction as this paper · 2 reporting no difference from an alternative
- positive
- positive
- no effect
storage · quality: phytochemicals · Solanum tuberosum (potato)Positive and negative results
4 papers in the same direction as this paper · 4 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- negative
- negative
6 papers more in this group
See all 10 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.