Abstract
The inhibition of indoleacetic acid oxidase activity by chlorogenic acid is markedly variable. Aqueous extracts of acetone precipitates from etiolated pea epicotyls contain heat-stable substances which decrease the inhibition produced by chlorogenic acid and also have a small activating effect. Low concentrations of pcoumaric acid (1 micro/ml) can stimulate this action. The possible role of activators and inhibitors in the in vivo regulation of indoleacetic acid oxidase activity is discussed.
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Claims 4
Claim · model-written summary
Inhibition of indoleacetic acid oxidase activity by chlorogenic acid is markedly variable.
- Taxon
- Peas
Lathyrus oleraceust0 - Compound
- chlorogenic acide1
- Outcome
- inhibition of indoleacetic acid oxidase activitye1
- Qualifier
- markedly variablee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indoleacetic Acid Oxidase Activity from Peas”
e1“The inhibition of indoleacetic acid oxidase activity by chlorogenic acid is markedly variable”
Claim · model-written summary
Heat-stable substances in aqueous extracts of acetone precipitates decrease the inhibition produced by chlorogenic acid.
- Taxon
- peaLathyrus oleraceuse2
- Treatment
- Aqueous extracts of acetone precipitatese2
- Compound
- chlorogenic acide2
- Outcome
- inhibition produced by chlorogenic acide2
- Direction
- decreasee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Aqueous extracts of acetone precipitates from etiolated pea epicotyls contain heat-stable substances which decrease the inhibition produced by chlorogenic acid and also have a small activating effect”
Claim · model-written summary
Aqueous extracts of acetone precipitates have a small activating effect on indoleacetic acid oxidase activity.
- Taxon
- peaLathyrus oleraceuse2
- Treatment
- Aqueous extracts of acetone precipitatese2
- Outcome
- Indoleacetic Acid Oxidase Activityt0
- Direction
- activatinge2
- Value
- smalle2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indoleacetic Acid Oxidase Activity from Peas”
e2“Aqueous extracts of acetone precipitates from etiolated pea epicotyls contain heat-stable substances which decrease the inhibition produced by chlorogenic acid and also have a small activating effect”
Claim · model-written summary
Low concentrations of p-coumaric acid can stimulate indoleacetic acid oxidase activity.
- Taxon
- PeasLathyrus oleraceust0
- Treatment
- Low concentrations of pcoumaric acide3
- Outcome
- indoleacetic acid oxidase activityt0
- Direction
- stimulatee3
- Value
- 1 micro/mle3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indoleacetic Acid Oxidase Activity from Peas”
e3“Low concentrations of pcoumaric acid (1 micro/ml) can stimulate this action”