By organism › Green plants › Fagaceae › Quercus

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

In both Quercus species warming initially increased soil CO2 emissions by 23%-26%.

Taxon: QuercusQuercust0
Treatment: warminge0
Outcome: CO2 emissionse0
Direction: increasede0
Value: 23%–26%e0

Not reportedComparator

Verbatim

t0
“Quercus Species”
✓ located verbatim in the source · title, characters 95–110

e0
“warming initially increased CO2 emissions by 23%–26% and subsequently reduced them by 26%–37% during period 2”
✓ located verbatim in the source · abstract, characters 590–699

Title

Soil Carbon Flux Responses to Warming and Drought Are Mediated by Soil Moisture and Vary Among Quercus Species

Amna Saher; Heejae Jo; Jeong-Min Lee; et al. Forests 2026. doi:10.3390/f17030293

Other claims from this paper (7)

Intervention effect Warming subsequently reduced CO2 emissions by 26%-37% during period 2 (rainy season).
Intervention effect Drought reduced soil CO2 emissions by 12%-36%.
Association CO2 emissions were positively correlated with soil moisture (r = 0.45-0.56).
Intervention effect In Q. variabilis, warming initially reduced CH4 uptake at +5 C.
Intervention effect In Q. variabilis, during period 3 CH4 uptake increased by 44.5% and 24.8% under +3 and +5 C warming.
Intervention effect In Q. variabilis, the drought treatment reduced CH4 uptake by 11.7%.
Intervention effect Q. acutissima showed no warming or drought treatment effects.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Warming subsequently reduced CO2 emissions by 26%-37% during period 2 (rainy season).

Taxon: QuercusQuercust0
Treatment: warminge0
Outcome: CO2 emissionse0
Direction: reducede0
Value: 26%–37%e0
Qualifier: during period 2e0

Not reportedComparator

Verbatim

t0
“Quercus Species”
✓ located verbatim in the source · title, characters 95–110

e0
“warming initially increased CO2 emissions by 23%–26% and subsequently reduced them by 26%–37% during period 2”
✓ located verbatim in the source · abstract, characters 590–699

Title

Soil Carbon Flux Responses to Warming and Drought Are Mediated by Soil Moisture and Vary Among Quercus Species

Amna Saher; Heejae Jo; Jeong-Min Lee; et al. Forests 2026. doi:10.3390/f17030293

Other claims from this paper (7)

Intervention effect In both Quercus species warming initially increased soil CO2 emissions by 23%-26%.
Intervention effect Drought reduced soil CO2 emissions by 12%-36%.
Association CO2 emissions were positively correlated with soil moisture (r = 0.45-0.56).
Intervention effect In Q. variabilis, warming initially reduced CH4 uptake at +5 C.
Intervention effect In Q. variabilis, during period 3 CH4 uptake increased by 44.5% and 24.8% under +3 and +5 C warming.
Intervention effect In Q. variabilis, the drought treatment reduced CH4 uptake by 11.7%.
Intervention effect Q. acutissima showed no warming or drought treatment effects.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought reduced soil CO2 emissions by 12%-36%.

Taxon: QuercusQuercust0
Treatment: Droughte0
Outcome: CO2 emissionse0
Direction: reducede0
Value: 12%–36%e0

Not reportedComparator

Verbatim

t0
“Quercus Species”
✓ located verbatim in the source · title, characters 95–110

e0
“Drought reduced CO2 emissions by 12%–36%”
✓ located verbatim in the source · abstract, characters 793–833

Title

Soil Carbon Flux Responses to Warming and Drought Are Mediated by Soil Moisture and Vary Among Quercus Species

Amna Saher; Heejae Jo; Jeong-Min Lee; et al. Forests 2026. doi:10.3390/f17030293

Other claims from this paper (7)

Intervention effect In both Quercus species warming initially increased soil CO2 emissions by 23%-26%.
Intervention effect Warming subsequently reduced CO2 emissions by 26%-37% during period 2 (rainy season).
Association CO2 emissions were positively correlated with soil moisture (r = 0.45-0.56).
Intervention effect In Q. variabilis, warming initially reduced CH4 uptake at +5 C.
Intervention effect In Q. variabilis, during period 3 CH4 uptake increased by 44.5% and 24.8% under +3 and +5 C warming.
Intervention effect In Q. variabilis, the drought treatment reduced CH4 uptake by 11.7%.
Intervention effect Q. acutissima showed no warming or drought treatment effects.

Associationobservedoriginal resultmeasured

Claim · model-written summary

CO2 emissions were positively correlated with soil moisture (r = 0.45-0.56).

Taxon: QuercusQuercust0
Treatment: soil moisturee0
Outcome: CO2 emissionse0
Direction: positively correlatede0
Value: r = 0.45–0.56e0

Verbatim

t0
“Quercus Species”
✓ located verbatim in the source · title, characters 95–110

e0
“CO2 emissions were positively correlated with soil moisture (r = 0.45–0.56)”
✓ located verbatim in the source · abstract, characters 835–910

Title

Soil Carbon Flux Responses to Warming and Drought Are Mediated by Soil Moisture and Vary Among Quercus Species

Amna Saher; Heejae Jo; Jeong-Min Lee; et al. Forests 2026. doi:10.3390/f17030293

Other claims from this paper (7)

Intervention effect In both Quercus species warming initially increased soil CO2 emissions by 23%-26%.
Intervention effect Warming subsequently reduced CO2 emissions by 26%-37% during period 2 (rainy season).
Intervention effect Drought reduced soil CO2 emissions by 12%-36%.
Intervention effect In Q. variabilis, warming initially reduced CH4 uptake at +5 C.
Intervention effect In Q. variabilis, during period 3 CH4 uptake increased by 44.5% and 24.8% under +3 and +5 C warming.
Intervention effect In Q. variabilis, the drought treatment reduced CH4 uptake by 11.7%.
Intervention effect Q. acutissima showed no warming or drought treatment effects.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Six phenolic compounds were identified by HPLC-DAD in the acorns.

Taxon: QuercusQuercust0
Outcome: phenolic compoundse0
Value: Sixe0

Verbatim

t0
“Acorns from Three Tunisian Quercus L. Species”
✓ located verbatim in the source · title, characters 80–125

e0
“Six phenolic compounds were identified by HPLC-DAD analysis”
✓ located verbatim in the source · abstract, characters 326–385

Title

Polyphenolic Profile, Antioxidant, Antibacterial and Antidiabetic Activities of Acorns from Three Tunisian Quercus L. Species

Abir Haddada; Aicha Laouani; Mohamed Iheb Ben Tekfa; et al. Plants 2026. doi:10.3390/plants15050762

Other claims from this paper (16)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Twelve hydrolysable tannin compounds were revealed by UHPLC-DAD-MS in the acorns.

Taxon: QuercusQuercust0
Outcome: hydrolysable tanninse2
Value: twelvee2

Verbatim

t0
“Acorns from Three Tunisian Quercus L. Species”
✓ located verbatim in the source · title, characters 80–125

e2
“The UHPLC-DAD-MS analysis of hydrolysable tannins revealed twelve compounds”
✓ located verbatim in the source · abstract, characters 645–720

Title

Polyphenolic Profile, Antioxidant, Antibacterial and Antidiabetic Activities of Acorns from Three Tunisian Quercus L. Species

Abir Haddada; Aicha Laouani; Mohamed Iheb Ben Tekfa; et al. Plants 2026. doi:10.3390/plants15050762

Other claims from this paper (16)

Observation Q. canariensis acorn extracts are the richest in total phenolic, flavonoid and hydrolysable tannin contents.
Observation Six phenolic compounds were identified by HPLC-DAD in the acorns.
Observation Chlorogenic acid was the dominant compound in Q. canariensis acorns.
Observation Chlorogenic acid was the dominant compound in Q. ilex acorns.
Observation Caffeic acid was the main phenolic component of Q. suber acorns.
Observation Trans-ferulic acid was exclusive to Q. suber acorns.
Observation Hyperoside was notably identified in Q. canariensis acorns.
Observation Q. canariensis acorns were dominated by ellagitannins.
Observation Q. suber acorns were dominated by ellagitannins.
Observation Q. ilex acorns contained mainly gallotannins.
Observation Q. canariensis showed the strongest antioxidant potential in DPPH, ABTS and FRAP assays.
Observation Q. canariensis showed the highest antibiofilm and anti-alpha-amylase activities.
Observation All acorn extracts inhibited ATCC pathogenic bacterial strains.
Observation The acorn extracts largely spared the probiotic Limosilactobacillus fermentum.
Recommendation Q. canariensis may be a potential source of functional food ingredient, nutraceuticals and pharmaceuticals, to be confirmed in vivo.
Observation The phenolic compounds of these acorns are identified for the first time in Tunisian acorns.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

All acorn extracts inhibited ATCC pathogenic bacterial strains.

Taxon: QuercusQuercust0
Interactor: pathogenic bacterial strainse7pathogen
Outcome: ATCC pathogenic bacterial strainse7
Direction: inhibitede7

Verbatim

t0
“Acorns from Three Tunisian Quercus L. Species”
✓ located verbatim in the source · title, characters 80–125

e7
“All extracts inhibited ATCC pathogenic bacterial strains while largely sparing the beneficial probiotic Limosilactobacillus fermentum”
✓ located verbatim in the source · abstract, characters 1088–1221

Title

Polyphenolic Profile, Antioxidant, Antibacterial and Antidiabetic Activities of Acorns from Three Tunisian Quercus L. Species

Abir Haddada; Aicha Laouani; Mohamed Iheb Ben Tekfa; et al. Plants 2026. doi:10.3390/plants15050762

Other claims from this paper (16)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The acorn extracts largely spared the probiotic Limosilactobacillus fermentum.

Taxon: QuercusQuercust0
Interactor: Limosilactobacillus fermentumLimosilactobacillus fermentume7other
Outcome: Limosilactobacillus fermentume7
Direction: largely sparinge7

Verbatim

t0
“Acorns from Three Tunisian Quercus L. Species”
✓ located verbatim in the source · title, characters 80–125

e7
“All extracts inhibited ATCC pathogenic bacterial strains while largely sparing the beneficial probiotic Limosilactobacillus fermentum”
✓ located verbatim in the source · abstract, characters 1088–1221

Title

Polyphenolic Profile, Antioxidant, Antibacterial and Antidiabetic Activities of Acorns from Three Tunisian Quercus L. Species

Abir Haddada; Aicha Laouani; Mohamed Iheb Ben Tekfa; et al. Plants 2026. doi:10.3390/plants15050762

Other claims from this paper (16)

Observation Q. canariensis acorn extracts are the richest in total phenolic, flavonoid and hydrolysable tannin contents.
Observation Six phenolic compounds were identified by HPLC-DAD in the acorns.
Observation Twelve hydrolysable tannin compounds were revealed by UHPLC-DAD-MS in the acorns.
Observation Chlorogenic acid was the dominant compound in Q. canariensis acorns.
Observation Chlorogenic acid was the dominant compound in Q. ilex acorns.
Observation Caffeic acid was the main phenolic component of Q. suber acorns.
Observation Trans-ferulic acid was exclusive to Q. suber acorns.
Observation Hyperoside was notably identified in Q. canariensis acorns.
Observation Q. canariensis acorns were dominated by ellagitannins.
Observation Q. suber acorns were dominated by ellagitannins.
Observation Q. ilex acorns contained mainly gallotannins.
Observation Q. canariensis showed the strongest antioxidant potential in DPPH, ABTS and FRAP assays.
Observation Q. canariensis showed the highest antibiofilm and anti-alpha-amylase activities.
Observation All acorn extracts inhibited ATCC pathogenic bacterial strains.
Recommendation Q. canariensis may be a potential source of functional food ingredient, nutraceuticals and pharmaceuticals, to be confirmed in vivo.
Observation The phenolic compounds of these acorns are identified for the first time in Tunisian acorns.

Observationobservedoriginal resultbasis n/a

Claim · model-written summary

The phenolic compounds of these acorns are identified for the first time in Tunisian acorns.

Taxon: QuercusQuercust0
Outcome: these compoundse2
Direction: identified for the first timee2

Verbatim

t0
“Acorns from Three Tunisian Quercus L. Species”
✓ located verbatim in the source · title, characters 80–125

e2
“To our knowledge, these compounds are identified for the first time in Tunisian acorns”
✓ located verbatim in the source · abstract, characters 840–926

Title

Polyphenolic Profile, Antioxidant, Antibacterial and Antidiabetic Activities of Acorns from Three Tunisian Quercus L. Species

Abir Haddada; Aicha Laouani; Mohamed Iheb Ben Tekfa; et al. Plants 2026. doi:10.3390/plants15050762

Other claims from this paper (16)

Observation Q. canariensis acorn extracts are the richest in total phenolic, flavonoid and hydrolysable tannin contents.
Observation Six phenolic compounds were identified by HPLC-DAD in the acorns.
Observation Twelve hydrolysable tannin compounds were revealed by UHPLC-DAD-MS in the acorns.
Observation Chlorogenic acid was the dominant compound in Q. canariensis acorns.
Observation Chlorogenic acid was the dominant compound in Q. ilex acorns.
Observation Caffeic acid was the main phenolic component of Q. suber acorns.
Observation Trans-ferulic acid was exclusive to Q. suber acorns.
Observation Hyperoside was notably identified in Q. canariensis acorns.
Observation Q. canariensis acorns were dominated by ellagitannins.
Observation Q. suber acorns were dominated by ellagitannins.
Observation Q. ilex acorns contained mainly gallotannins.
Observation Q. canariensis showed the strongest antioxidant potential in DPPH, ABTS and FRAP assays.
Observation Q. canariensis showed the highest antibiofilm and anti-alpha-amylase activities.
Observation All acorn extracts inhibited ATCC pathogenic bacterial strains.
Observation The acorn extracts largely spared the probiotic Limosilactobacillus fermentum.
Recommendation Q. canariensis may be a potential source of functional food ingredient, nutraceuticals and pharmaceuticals, to be confirmed in vivo.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Retrogressive succession in Quercus-dominated stands shifted toward stress-tolerant, urban-adapted species.

Taxon: QuercusQuercuse1
Outcome: shifts from Quercus-dominated standse1
Qualifier: toward stress-tolerant, urban-adapted speciese1

Verbatim

t0
“isolated urban forests”
✓ located verbatim in the source · title, characters 61–83

e1
“characterized by shifts from Quercus-dominated stands toward stress-tolerant, urban-adapted species associated with earlier successional or degraded conditions”
✓ located verbatim in the source · abstract, characters 893–1052

Title

Drought and fragmentation shape successional trajectories of isolated urban forests in South Korea

Inyoo Kim; Hong-Duck Sou; Jun-Soo Kim; et al. Scientific Reports 2026. doi:10.1038/s41598-026-42621-w

Other claims from this paper (4)

Quercus 8,753 claims

8,753 claims