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“increase of H2O2 content”

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2000 ’10 ’20

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Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

Proline content rose then fell as H2O2 concentration increased.

Taxon: black soybeant0
Treatment: H2O2e0
Outcome: proline contente0
Direction: increase-and-then-decreasee0

Verbatim

e0
“The proline content showed increase-and-then-decrease trend with the increasing of H2O2 and NaCl concentration”
✓ located verbatim in the source · abstract, characters 611–721

t0
“Black Soybean Seedling”
✓ located verbatim in the source · title, characters 85–107

Title

Effect of Mannitol,Hydrogen Peroxide and Chloride Treatment on Drought Resistance of Black Soybean Seedling

Shizhen Zhang Dadou kexue 2010

Other claims from this paper (6)

Intervention effect Mannitol produced shorter, compact seedlings with small thin leaves and longer root hairs.
Intervention effect Mannitol enhanced seedling drought resistance.
Association Proline content rose then fell as NaCl concentration increased.
Intervention effect NaCl seed soaking significantly increased proline versus control.
Intervention effect H2O2 treatment decreased proline content versus control.
Recommendation NaCl seed soaking was judged helpful for drought resistance.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Leaf and root H2O2 did not increase or decreased under B deficiency.

Taxon: teat0
Treatment: B deficiencye0
Outcome: H2O2 content of leaves and rootse0
Direction: did not increase or even decreasede0

Not reportedComparator

Verbatim

e0
“H2O2 content of leaves and roots did not increase or even decreased under B deficiency conditions”
✓ located verbatim in the source · abstract, characters 1361–1458

t0
“tea (Camellia sinensis (L.) O. Kuntze)”
✓ located verbatim in the source · title, characters 82–120

Title

Photosynthesis, Nitrogen Metabolism and Antioxidant Defense System in B-Deficient tea (Camellia sinensis (L.) O. Kuntze) Plants

Roghieh Hajiboland DOAJ (DOAJ: Directory of Open Access Journals) 2011. doi:10.22059/jsciences.2011.23865

Other claims from this paper (16)

Intervention effect B deficiency significantly decreased height, leaf number, and shoot and root dry matter.
Intervention effect Young leaf chlorophyll, carotenoid, anthocyanin and flavonoid concentrations were unaffected by B deficiency.
Intervention effect B deficiency significantly reduced old leaf chlorophyll a/b ratio.
Intervention effect B deficiency increased old leaf carotenoid concentration.
Association Old leaf non-photochemical quenching increased alongside carotenoids under B deficiency.
Intervention effect B deficiency significantly reduced young leaf assimilation, transpiration and stomatal conductance.
Intervention effect B deficiency slightly increased young leaf nitrate reductase activity.
Intervention effect B deficiency slightly decreased old leaf nitrate reductase activity.
Intervention effect Root nitrate reductase activity was not influenced by B deficiency.
Intervention effect B starvation diminished young leaf nitrate concentration.
Intervention effect B starvation increased young leaf nitrite concentration.
Mechanism Antioxidant enzyme data suggested ascorbate peroxidase protects old leaves.
Mechanism Antioxidant enzyme data suggested peroxidase protects roots.
Mechanism Superoxide dismutade was interpreted as protecting all three organs from B deficiency oxidative stress.
Association Leaf and root H2O2 response was associated with proline accumulation.
Mechanism The authors suggested proline protects against free radicals and contributes to B deficiency tolerance.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Production rates and H2O2 content increased less than in controls during dark treatment.

Taxon: pearPyrus communise1
Outcome: production rates and H2O2 contente0
Direction: increasee0
Comparator: the controle0

Not reportedTreatment

Verbatim

e0
“production rates and H2O2 content would increase but the ascending degree was lower than the control.”
✓ located verbatim in the source · abstract, characters 910–1011

e1
“pear cultivars (Pyrus brestchneideri Rehd.)”
✓ located verbatim in the source · abstract, characters 155–198

Title

Effects of different AgNO_3 concentrations on shoot regeneration and activities of antioxidant enzymes in in vitro leaves of pear

Ling‐Mei Liu Guoshu xuebao 2008

Other claims from this paper (10)

Intervention effect At 0.1 mg/L AgNO3, Jinshui shoot regeneration frequency and buds per leaf improved significantly.
Intervention effect Jinhua leaf shoot regeneration was enhanced at 0.1 to 0.5 mg/L AgNO3.
Intervention effect AgNO3 significantly changed pear leaf antioxidant enzyme activities relative to controls.
Observation During dark treatment, pear leaf CAT and POD activities changed substantially.
Intervention effect At 0.1 mg/L AgNO3 in darkness, Jinhua POD activity showed a marked change.
Intervention effect At 0.1 mg/L AgNO3 in darkness, Jinshui CAT activity exceeded the other three treatments.
Intervention effect During light treatment, suitable AgNO3 concentrations enhanced the SOD peak.
Intervention effect Suitable AgNO3 concentrations decreased H2O2 content and production rates during light treatment.
Intervention effect Higher AgNO3 concentrations raised H2O2 content and production rates again.
Recommendation The authors judged 0.1 mg/L AgNO3 best for increasing antioxidant enzyme activity in both pear cultivars.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Soluble protein, sugar, H2O2 and MDA contents increased as temperature fell and time increased.

Taxon: oil palmt0
Treatment: Low Temperature Stresst0
Outcome: soluble protein,sugar content,H2O2 and MDA contente0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“the soluble protein,sugar content,H2O2 and MDA content continued to increase”
✓ located verbatim in the source · abstract, characters 577–653

t0
“Effect of Low Temperature Stress on Physiological Changes in Oil Palm”
✓ located verbatim in the source · title, characters 0–69

Title

Effect of Low Temperature Stress on Physiological Changes in Oil Palm( Elaesis guineensis Jacg. ) Seedling under Different Time

Yan Liu Zhiwu yanjiu 2015

Other claims from this paper (6)

Intervention effect Leaf water content and SOD activity decreased as temperature fell and exposure time increased.
Intervention effect POD, CAT and APX activities first increased and then decreased under falling temperature and longer exposure.
Intervention effect Seedling leaves browned under T2 and T3 after two weeks.
Intervention effect Seedling growth slowed significantly under T2 and T3 after two weeks.
Mechanism The authors attributed oxidative damage to low temperature.
Mechanism The authors interpreted increased soluble protein, sugar and antioxidant enzyme activity as adaptation against oxidative damage.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Rice malondialdehyde content, membrane permeability, oxygen evolution and H2O2 first decreased then increased across slag quantities.

Taxon: riceOryza sativae0
Organ / stage: blade and roote0
Outcome: content of malondialdehyde(MDA),the permeability of cell membrane,the oxygen evolution rate and the content of H2O2e0
Direction: decrease at the beginning and then increasee0

Not reportedTreatmentComparator

Verbatim

e0
“the content of malondialdehyde(MDA),the permeability of cell membrane,the oxygen evolution rate and the content of H2O2 in rice blade and root decrease at the beginning and then increase”
✓ located verbatim in the source · abstract, characters 285–471

Title

Effects of desulfurized slag on active oxygen metabolism of rice seedlings on saline-alkali land.

Haibo Bai; Guilian Mao; Xiaohui Li; et al. Xibei zhiwu xuebao 2010

Other claims from this paper (5)

Intervention effect SOD, POD and CAT activity first increased then decreased across slag quantities.
Observation Slag at 22.5 t/hm2 gave the highest protective enzyme activity.
Observation Slag at 22.5 t/hm2 gave the lowest active oxygen content.
Observation Slag at 22.5 t/hm2 gave the weakest lipid peroxidation effect.
Recommendation The authors conclude that 22.5 t/hm2 slag increases rice resistance on saline alkali land.

Observationobservedoriginal resultmixedmeasured

Claim · model-written summary

H2O2, SOD and CAT initially increased and then declined in cold stored cucumbers.

Taxon: CucumberCucumis sativust0
Outcome: H2O2 content,the activities of superoxide dismutase(SOD) and catalase(CAT)e0
Direction: initial fast increase followed by a reductione0

Verbatim

e0
“H2O2 content,the activities of superoxide dismutase(SOD) and catalase(CAT) exhibited an initial fast increase followed by a reduction”
✓ located verbatim in the source · abstract, characters 366–499

t0
“Cucumber”
✓ located verbatim in the source · title, characters 92–100

Title

Effect of Heat Treatment and Endogenous H_2O_2 on Cold Tolerance and Antioxidant Enzymes of Cucumber

Lin Shen Food Science 2012

Other claims from this paper (10)

Observation Control cucumbers accumulated MDA and showed increasing chilling injury and electrolyte leakage during cold storage.
Observation POD and APX activity decreased over storage time.
Intervention effect Heat treatment alleviated cucumber chilling injury.
Intervention effect Heat treatment increased early endogenous H2O2.
Intervention effect Heat treatment postponed MDA accumulation.
Intervention effect Heat treatment increased CAT, APX and SOD activities.
Intervention effect Heat treatment had no significant effect on POD activity.
Intervention effect DMTU counteracted heat-induced chilling tolerance, with higher injury index and MDA.
Intervention effect DMTU reduced CAT and APX activities.
Mechanism The authors suggest H2O2 mediated heat-induced chilling resistance.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

At 15% PEG, anthocyanin content increased in both local black rice varieties.

Taxon: local black ricee0
Material: Purbalingga and Purwokertoe0
Treatment: 15% PEGe0
Outcome: content of H2O2 and anthocyaninse0
Direction: increasee0
Comparator: 0% PEG (control)e1

Verbatim

e0
“when addition 15% PEG there was a decrease in the amount of chlorophyll and an increase in the content of H2O2 and anthocyanins in both Purbalingga and Purwokerto local black rice”
✓ located verbatim in the source · abstract, characters 965–1144

e1
“0% PEG (control)”
✓ located verbatim in the source · abstract, characters 711–727

Title

Morpho-Physiological Responses of Purbalingga and Purowkerto Local Black Rices to Drought Stress

Ummi Sholikhah; Khusna Khamidah; Tri Handoyo; et al. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 2025. doi:10.23960/jtepl.v14i4.1148-1155

Other claims from this paper (4)

Intervention effect At 15% PEG, plant height and leaf number decreased in both local black rice varieties.
Intervention effect At 15% PEG, root length increased in both local black rice varieties.
Intervention effect At 15% PEG, chlorophyll amount decreased in both local black rice varieties.
Intervention effect At 15% PEG, H2O2 content increased in both local black rice varieties.

Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

Proline content rose then fell as NaCl concentration increased.

Taxon: black soybeant0
Treatment: NaCle0
Outcome: proline contente0
Direction: increase-and-then-decreasee0

Verbatim

e0
“The proline content showed increase-and-then-decrease trend with the increasing of H2O2 and NaCl concentration”
✓ located verbatim in the source · abstract, characters 611–721

t0
“Black Soybean Seedling”
✓ located verbatim in the source · title, characters 85–107

Title

Effect of Mannitol,Hydrogen Peroxide and Chloride Treatment on Drought Resistance of Black Soybean Seedling

Shizhen Zhang Dadou kexue 2010

Other claims from this paper (6)

Intervention effect Mannitol produced shorter, compact seedlings with small thin leaves and longer root hairs.
Intervention effect Mannitol enhanced seedling drought resistance.
Association Proline content rose then fell as H2O2 concentration increased.
Intervention effect NaCl seed soaking significantly increased proline versus control.
Intervention effect H2O2 treatment decreased proline content versus control.
Recommendation NaCl seed soaking was judged helpful for drought resistance.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

With longer stress, O2 generation rate and H2O2 content in strawberry leaves rose to a certain degree and then fell.

Taxon: StrawberryFragaria ×ananassat0
Treatment: stress timese0
Outcome: the rates of O2 generation and contents of H2O 2e0
Direction: increased to a certain degree and then decreasede0

Not reportedComparator

Verbatim

e0
“With the increase of stress times, the rates of O2 generation and contents of H2O 2 increased to a certain degree and then decreased”
✓ located verbatim in the source · abstract, characters 266–398

t0
“Strawberry”
✓ located verbatim in the source · title, characters 50–60

Title

Variation in Antioxidant Enzyme Activities of Two Strawberry Cultivars with Short-term Low Temperature Stress

Yong Zhang; Tang Haoru; Ya Luo http://www.idosi.org/wjas/wjas4(4)/8.pdf 2008

Other claims from this paper (6)

Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

Hydrogen peroxide content decreased as salt concentration increased, with the lowest in VTL-1 and highest in VTL-2 and VTL-8 at 150 mM.

Taxon: riceOryza sativat0
Material: VTL-1e0
Treatment: NaCle0
Outcome: H2O2 contentse0
Direction: decreasede0
Qualifier: highest in VTL-2 and VTL-8e0

Verbatim

e0
“The H2O2 contents decreased with the increase in all concentrations of NaCl and lowest H2O2 contents was observed in VTL-1 and highest in VTL-2 and VTL-8 treated with 150 mM NaCl”
✓ located verbatim in the source · abstract, characters 1157–1335

t0
“Pokkali rice”
✓ located verbatim in the source · title, characters 91–103

t1
“Pokkali rice”
✓ located verbatim in the source · title, characters 91–103

Title

Effects of salt stress on antioxidant and ascorbate glutathione cycle enzyme activities in Pokkali rice varieties – Vytilla 1-9

Lins Simon; Akkara Yusuf Plant Science Today 2020. doi:10.14719/pst.2020.7.3.701

Other claims from this paper (17)

Observation IR-28 had higher hydrogen peroxide and superoxide than VTL varieties at all salt concentrations.
Observation Untreated VTL varieties showed no antioxidant response.
Observation MDA content was higher in positive and negative controls.
Intervention effect Salt treatment reduced MDA content in VTL varieties.
Intervention effect Ascorbate content rose in salt treated VTL varieties relative to controls.
Intervention effect Glutathione content rose in salt treated VTL varieties relative to controls.
Observation The highest hydrogen peroxide content was observed at 150 mM NaCl.
Association Superoxide content varied among the nine varieties with salt concentration.
Association SOD levels correlated positively with superoxide and hydrogen peroxide content.
Observation SOD, CAT and ascorbate–glutathione cycle enzymes were lower in control varieties.
Intervention effect Increasing NaCl concentration upregulated antioxidant and ascorbate–glutathione cycle enzymes in VTL varieties.
Observation APX activity was low in control and salt treated plants.
Association GR activity increased linearly with salt concentration in all varieties.
Association MDHAR and DHAR activities increased marginally and linearly across salt concentrations.
Observation APX activity was similar to or lower than MDHAR activity.
Observation DHAR activity was similar to MDHAR activity.
Mechanism The authors interpret higher antioxidants under salt as salt tolerance mediated by ROS scavenging enzymes.

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“increase of H2O2 content”

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