Search claims · PlantClaims

Method / resourceobservedoriginal resultsimulated

Claim · model-written summary

The quadratic production function had a higher correlation coefficient than the linear function.

Outcome: correlation coefficiente0
Direction: more thane0
Comparator: linear functione0

Verbatim

e0
“the correlation coefficient for quadratic production function is more than that for the linear function”
✓ located verbatim in the source · abstract, characters 1169–1272

Title

ESTIMATING CROP PRODUCTION FUNCTION FOR SOME CROPS AT MOSUL AREA

Eman Hazim Sheet Mağallaẗ zirāʿaẗ al-rāfidayn 2008. doi:10.33899/magrj.2008.26771

Other claims from this paper (2)

Method / resource The difference between linear and quadratic production functions was small.
Method / resource The computer model can estimate production functions for other crops by changing crop data.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The method reported a linear correlation coefficient below 0.990.

Taxon: Polygonum multiflorumPleuropterus multifloruse1
Outcome: linear correlation coefficiente0
Value: <0.990e0

Verbatim

e0
“linear correlation coefficient (<0.990)”
✓ located verbatim in the source · abstract, characters 497–536

e1
“Polygonum multiflorum”
✓ located verbatim in the source · abstract, characters 155–176

Title

Quantitative Analysis of the Roots, Stems, and Leaves of Polygonum multiflorum by Ultra-High-Performance Liquid Chromatography–Mass Spectrometry

Wen Rui; Wanxia Xia; Wei Zhao; et al. Analytical Letters 2018. doi:10.1080/00032719.2017.1386192

Other claims from this paper (8)

Method / resource The quantitative method showed precision below 2.94%.
Method / resource The quantitative method showed accuracy of 97.21–101.37%.
Method / resource The method showed sensitivity of 0.46 ng/mL.
Observation Root tetrahydroxystilbene glucoside concentration was 34.86 ± 10.58 mg/g, much higher than stems and leaves.
Observation Root emodin concentration was 31.09 ± 8.26 mg/g, much higher than stems and leaves.
Observation Catechin concentration was highest in stems at 29.62 ± 7.76.
Observation Polygoacetophenoside was a main leaf component at 50.54 ± 12.24 mg/g.
Observation Quercetin was a main leaf component at 28.35 ± 1.88 mg/g.

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The electrode had a linear correlation coefficient of 0.9979.

Taxon: oilseed rapeBrassica napust0
Outcome: linear correlation coefficiente0
Value: 0.9979e0

Verbatim

e0
“The linear correlation coefficient was 0.9979.”
✓ located verbatim in the source · abstract, characters 829–875

t0
“oilseed rape”
✓ located verbatim in the source · title, characters 92–104

Title

In vivo measurements of changes in pH triggered by oxalic acid in leaf tissue of transgenic oilseed rape

Qiu‐Ju Zou; Sheng‐Yi Liu; Xu‐Yan Dong; et al. Phytochemical Analysis 2007. doi:10.1002/pca.988

Other claims from this paper (2)

Method / resource The electrode gave a linear pH response from 3 to 7 with a 70 mV/pH slope.
Intervention effect Transgenic oilseed rape was more resistant to oxalic acid than non-transgenic oilseed rape.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The linear regression correlation coefficient was 0.999.

Taxon: Tridax procumbensTridax procumbenst0
Outcome: correlation coefficient of linear regression analysise0
Value: r 2 = 0.999e0

Verbatim

e0
“correlation coefficient of linear regression analysis was found to be r 2 = 0.999”
✓ located verbatim in the source · abstract, characters 871–952

t0
“Tridax procumbens”
✓ located verbatim in the source · title, characters 120–137

Title

Validated HPLC fingerprint analysis for Simultaneous Determination of Quercetin and Kaempferol in Methanolic Extract of Tridax procumbens

Rachel Shah; Nandini Sharma; Vishal Patel; et al. 2012

Other claims from this paper (10)

Method / resource Quercetin had an Rf value of 0.35.
Method / resource Kaempferol had an Rf value of 0.48.
Method / resource Chromatographic area was linear with analyte concentration from 1 to 40 µg/ml for both compounds.
Method / resource Quercetin retention time was about 8.9 minutes.
Method / resource Kaempferol retention time was about 10.6 minutes.
Method / resource The Quercetin detection limit was 0.164-0.289µg/ml.
Method / resource The Kaempferol detection limit was 0.497-0.816 µg/ml.
Method / resource Average recovery for Quercetin was 98.02%.
Method / resource Average recovery for Kaempferol was 98.80%.
Method / resource The authors found the method simple, sensitive, precise and accurate for routine whole-plant powder quality control.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The linear calibration correlation coefficient was 0.9954.

Taxon: pakcoye1
Outcome: correlation coefficiente0
Value: 0.9954e0

Verbatim

e0
“with correlation coefficient 0.9954”
✓ located verbatim in the source · abstract, characters 712–747

e1
“Fe in pakcoy”
✓ located verbatim in the source · abstract, characters 230–242

Title

Analisis Logam Fe dengan Teknik Voltammetri Pelucutan Anodik Pulsa Diferensial dalam Tanaman Pakcoy dari Perkebunan Sayur Bedugul Bali

Irdhawati Irdhawati; Rosanti Suryani Tince Mbatu; Emmy Sahara Jurnal Kimia VALENSI 2018. doi:10.15408/jkv.v4i2.7588

Other claims from this paper (8)

Method / resource The method found an optimal deposition time of 70 seconds for Fe(III) standard solutions.
Method / resource The optimal scan rate was 10 mV/s.
Method / resource The optimal deposition potential was -0.47 V.
Method / resource Fe(III) standards showed a linear range of 50 ppb~500 ppb.
Method / resource The detection limit was 50.18 ppb.
Method / resource Ten repeat measurements gave a Horwitz ratio below 2.
Method / resource Recovery was 100.26% ± 0.27%.
Observation Mean Fe(III) concentration in pakcoy from five locations was 3.82±0.29 ppm, below the SNI threshold.

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The assay had a linear correlation coefficient of 0.9968-0. 9998 for the five metals.

Taxon: Pogostemon cablin Benth.Pogostemon cablint0
Outcome: linear correlation coefficiente0
Value: 0.9968-0. 9998e0

Verbatim

e0
“The linear correlation coefficient of the content of Cu,Pb,Cd,As and Hg is 0.9968-0. 9998”
✓ located verbatim in the source · abstract, characters 316–405

t0
“Pogostemon cablin Benth.”
✓ located verbatim in the source · title, characters 35–59

Title

Analysis of Heavy Metal Content of Pogostemon cablin Benth. in Hainan Island

Mingsheng Liu Yaowu fenxi zazhi 2005

Other claims from this paper (7)

Method / resource The assay precision was less than 2. 5%.
Method / resource The assay recovery was about 92. 0%-98. 7%.
Observation Cu content was 47. 8 μg·g~(-1) in Wanning, 27. 4 in Dongfang and 26.7 in Qionghai.
Observation Pb content varied across the three regions.
Observation Cd content varied across the three regions.
Observation As content varied across the three regions.
Observation Hg content varied across the three regions.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Across provenances, the linear regression correlation coefficient between irradiation dose and germination was between -0.89 and -0.96.

Taxon: Jatropha curcasJatropha curcast0
Material: different provenancese3
Outcome: correlation coefficient of linear regressione3
Value: -0.89～-0.96e3

Not reportedDirection

Verbatim

t0
“Jatropha curcas”
✓ located verbatim in the source · title, characters 52–67

e3
“For seeds of different provenances,the correlation coefficient of linear regression was from-0.89～-0.96”
✓ located verbatim in the source · abstract, characters 411–514

Title

IRRADIATION SENSIBILITY OF DIFFERENT PROVENANCES OF Jatropha curcas L.Seeds

Yang Qing; XU Cong-heng Journal of Nuclear Agricultural Sciences 2007

Other claims from this paper (6)

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Quercetin HPLC linear range was 0.06 - 0.6μg with correlation coefficient 0.9996.

Taxon: Rosa rugosaRosa rugosat0
Outcome: linear range of quercetine0
Value: 0.06 - 0.6μge0
Qualifier: correlation coefficient 0.9996e0

Verbatim

e0
“the linear range of quercetin was 0.06 - 0.6μg with a correlation coefficient 0.9996”
✓ located verbatim in the source · abstract, characters 642–726

t0
“flowers of Rosa rugosa”
✓ located verbatim in the source · title, characters 64–86

Title

Qualitative and quantitative analysis of the total flavonols in flowers of Rosa rugosa

Peng Yan-li Yaowu fenxi zazhi 2010

Other claims from this paper (5)

Method / resource TLC detected quercetin in Rosa flowers.
Method / resource TLC detected kaempferol in Rosa flowers.
Method / resource Quercetin recovery averaged 99.2%, with 3.9% RSD.
Method / resource Kaempferol HPLC linear range was 0.02 - 0.2μg with correlation coefficient 0.9993.
Method / resource Kaempferol recovery averaged 98.5%, with 4.8% RSD.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Kaempferol HPLC linear range was 0.02 - 0.2μg with correlation coefficient 0.9993.

Taxon: Rosa rugosaRosa rugosat0
Outcome: linear range of kaempferole0
Value: 0.02 - 0.2μge0
Qualifier: correlation coefficient 0.9993e0

Verbatim

e0
“the linear range of kaempferol was 0.02 - 0.2μg with a correlation coefficient 0.9993”
✓ located verbatim in the source · abstract, characters 781–866

t0
“flowers of Rosa rugosa”
✓ located verbatim in the source · title, characters 64–86

Title

Qualitative and quantitative analysis of the total flavonols in flowers of Rosa rugosa

Peng Yan-li Yaowu fenxi zazhi 2010

Other claims from this paper (5)

Method / resource TLC detected quercetin in Rosa flowers.
Method / resource TLC detected kaempferol in Rosa flowers.
Method / resource Quercetin HPLC linear range was 0.06 - 0.6μg with correlation coefficient 0.9996.
Method / resource Quercetin recovery averaged 99.2%, with 3.9% RSD.
Method / resource Kaempferol recovery averaged 98.5%, with 4.8% RSD.

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The HPLC method had a linear correlation coefficient of 0.9989.

Taxon: CALOPHYLLUM BRASILIENSECalophyllum brasilienset0
Outcome: linearitye0
Value: 0.9989e0

Verbatim

e0
“method shows linearity (linear correlation coefficient = 0.9989)”
✓ located verbatim in the source · abstract, characters 633–697

t0
“CALOPHYLLUM BRASILIENSE”
✓ located verbatim in the source · title, characters 81–104

Title

QUANTITATIVE AND QUALITATIVE ANALYSIS OF (-) MAMMEA A/BB COUMARIN IN EXTRACTS OF CALOPHYLLUM BRASILIENSE CAMBESS (CLUSIACEAE) BY HPLC

M. A. Brenzan; C. V. Nakamura; B. P. D. Filho; et al. Journal of Liquid Chromatography & Related Technologies 2009. doi:10.1080/10826070903442444

Other claims from this paper (7)

Method / resource The HPLC method had relative standard deviation below 1.35%.
Method / resource The HPLC method had mean recovery of 88.6%.
Method / resource The HPLC detection limit was 7.61 µg/mL.
Method / resource The HPLC quantification limit was 25.36 µg/mL.
Method / resource The method identified and quantified mammea A/BB in leaf, stem, and fruit extracts.
Observation Leaves had the highest mammea A/BB concentration among sampled organs.
Observation Dichloromethane leaf extract contained more mammea A/BB than hydroethanolic leaf extract.

“linear correlation coefficient”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics