Paper · 2006 · Chih Wu Sheng Li Hsueh T'ung Hsun

Relationship between Oxalate Accumulation and Ascorbate Content in Plant Leaves

Li Bao

4
claims
4
verbatim quotes
2
citations
1
research areas
—
Not open access

Abstract

Ascobate content and the corresponding oxalate content were determined in the leaves of variousspecies and tobacco leaves at different growth stages. It was shown that no significant correlation existedbetween the two organic acids in tobacco leaves at various growth stages, and similar result was obtained forthe leaves of different species. In addition, feeding rice and buckwheat with ascorbate through roots failed toincrease oxalate content in the leaves. Based the above results, it is inferred that ascorbate content in plantleaves may not affect oxalate accumulation though the possibility can not be ruled out that ascorbate served asa precursor for oxalate synthesis.

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Claims 4

Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Ascorbate and oxalate contents were not significantly correlated across tobacco leaf growth stages.

Organ / stage
leaves at various growth stagese0
Outcome
correlatione0
Direction
no significante0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Nicotiana tabacum
Nicotiana tabacum · TaxonJom / Joachim Müllerchen · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“no significant correlation existedbetween the two organic acids in tobacco leaves at various growth stages”

✓ located verbatim in the source · abstract, characters 168–274 · show in text ↑
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Ascorbate and oxalate contents were similarly uncorrelated across different plant species.

Taxon
different speciese0
Organ / stage
leavese0
Outcome
similar resulte0

Not reportedDirection

Verbatim

e0

“similar result was obtained forthe leaves of different species”

✓ located verbatim in the source · abstract, characters 280–342 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Root-fed ascorbate failed to increase leaf oxalate in rice.

Treatment
ascorbate through rootse0
Outcome
oxalate content in the leavese0
Direction
failed toincreasee0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“feeding rice and buckwheat with ascorbate through roots failed toincrease oxalate content in the leaves”

✓ located verbatim in the source · abstract, characters 357–460 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Root-fed ascorbate failed to increase leaf oxalate in buckwheat.

Taxon
buckwheate0
Treatment
ascorbate through rootse0
Outcome
oxalate content in the leavese0
Direction
failed toincreasee0

Not reportedComparator

Verbatim

e0

“feeding rice and buckwheat with ascorbate through roots failed toincrease oxalate content in the leaves”

✓ located verbatim in the source · abstract, characters 357–460 · show in text ↑

ascorbate · molecular: metabolites · Oryza sativa (rice)Positive and negative results

4 papers: 2 positive, 2 negative or no effect

1 paper in the same direction as this paper · 2 in the opposite direction

  1. positive
  2. positive
  3. no effect
See all 4 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.