Rheum rhabarbarum 965 claims

species · family Polygonaceae · green plant · NCBI Taxonomy ↗

Common name: rhubarb — Also written in claims: rhubarb · rhubarbs · Cultivated Rhubarb · rhubarb species — NCBI synonyms: Rheum x cultorum · Rheum x hybridum

10 spellings

Questions studied on this organism3 questions1 with results that differ7 papers

Rheum rhabarbarumDieter Weber ( User:Uellue ) · CC BY-SA 3.0 · Wikimedia Commons ↗

965 claims

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Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The UV-Visible method had maximum absorbance of aloe-emodin at 256 nm in methanol and water.

Taxon: RhubarbRheum rhabarbarumt0
Outcome: maximum absorbancee1
Value: 256 nme1
Qualifier: methanol and water (40:60 v/v)e1

Verbatim

t0
“Rhubarb Rhizomes”
✓ located verbatim in the source · title, characters 84–100

e1
“The Aloe-emodin, when dissolved in a mixture of methanol and water (40:60 v/v) and scanned over 200 to 800 nm, showed maximum absorbance at 256 nm”
✓ located verbatim in the source · abstract, characters 1251–1397

Title

Validated UV-Visible Spectrophotometric Method for the Estimation of Aloe-emodin in Rhubarb Rhizomes

Apoorv B. Jamdhade; Aishwarya R. Ingle; Pravin S. Wakte; et al. Journal of Advances in Medical and Pharmaceutical Sciences 2026. doi:10.9734/jamps/2026/v28i2844

Other claims from this paper (8)

Method / resource The UV-Visible method showed linearity with a correlation coefficient of 0.9999.
Method / resource The intra-day accuracy of the UV-Visible method ranged from -6.6638 to 0.3083 per cent difference.
Method / resource The inter-day accuracy of the UV-Visible method ranged from -0.9986 to 1.0768 per cent difference.
Method / resource The intra-day precision of the UV-Visible method was 0.22 to 1.85 %RSD.
Method / resource The inter-day values of the UV-Visible method were 0.54 to 1.98 %RSD.
Method / resource Variation during the robustness studies of the UV-Visible method was below 2 %RSD.
Method / resource The limit of detection of the UV-Visible method was 0.037 µg/mL.
Method / resource The limit of quantitation of the UV-Visible method was 0.11 µg/mL.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The UV-Visible method showed linearity with a correlation coefficient of 0.9999.

Taxon: RhubarbRheum rhabarbarumt0
Outcome: correlation coefficient (r²)e2
Value: 0.9999e2

Verbatim

t0
“Rhubarb Rhizomes”
✓ located verbatim in the source · title, characters 84–100

e2
“showed excellent linearity in the absorbance values with a correlation coefficient (r²) of 0.9999”
✓ located verbatim in the source · abstract, characters 1558–1655

Title

Validated UV-Visible Spectrophotometric Method for the Estimation of Aloe-emodin in Rhubarb Rhizomes

Apoorv B. Jamdhade; Aishwarya R. Ingle; Pravin S. Wakte; et al. Journal of Advances in Medical and Pharmaceutical Sciences 2026. doi:10.9734/jamps/2026/v28i2844

Other claims from this paper (8)

Method / resource The UV-Visible method had maximum absorbance of aloe-emodin at 256 nm in methanol and water.
Method / resource The intra-day accuracy of the UV-Visible method ranged from -6.6638 to 0.3083 per cent difference.
Method / resource The inter-day accuracy of the UV-Visible method ranged from -0.9986 to 1.0768 per cent difference.
Method / resource The intra-day precision of the UV-Visible method was 0.22 to 1.85 %RSD.
Method / resource The inter-day values of the UV-Visible method were 0.54 to 1.98 %RSD.
Method / resource Variation during the robustness studies of the UV-Visible method was below 2 %RSD.
Method / resource The limit of detection of the UV-Visible method was 0.037 µg/mL.
Method / resource The limit of quantitation of the UV-Visible method was 0.11 µg/mL.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The intra-day accuracy of the UV-Visible method ranged from -6.6638 to 0.3083 per cent difference.

Taxon: RhubarbRheum rhabarbarumt0
Outcome: intra-day accuracye3
Value: -6.6638 and 0.3083e3

Verbatim

t0
“Rhubarb Rhizomes”
✓ located verbatim in the source · title, characters 84–100

e3
“The intra-day accuracy of the developed UV-Visible spectrophotometric method in terms of % Difference was found to be in the range of -6.6638 and 0.3083”
✓ located verbatim in the source · abstract, characters 1657–1809

Title

Validated UV-Visible Spectrophotometric Method for the Estimation of Aloe-emodin in Rhubarb Rhizomes

Apoorv B. Jamdhade; Aishwarya R. Ingle; Pravin S. Wakte; et al. Journal of Advances in Medical and Pharmaceutical Sciences 2026. doi:10.9734/jamps/2026/v28i2844

Other claims from this paper (8)

Method / resource The UV-Visible method had maximum absorbance of aloe-emodin at 256 nm in methanol and water.
Method / resource The UV-Visible method showed linearity with a correlation coefficient of 0.9999.
Method / resource The inter-day accuracy of the UV-Visible method ranged from -0.9986 to 1.0768 per cent difference.
Method / resource The intra-day precision of the UV-Visible method was 0.22 to 1.85 %RSD.
Method / resource The inter-day values of the UV-Visible method were 0.54 to 1.98 %RSD.
Method / resource Variation during the robustness studies of the UV-Visible method was below 2 %RSD.
Method / resource The limit of detection of the UV-Visible method was 0.037 µg/mL.
Method / resource The limit of quantitation of the UV-Visible method was 0.11 µg/mL.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The inter-day accuracy of the UV-Visible method ranged from -0.9986 to 1.0768 per cent difference.

Taxon: RhubarbRheum rhabarbarumt0
Outcome: inter-day accuracye4
Value: -0.9986 and 1.0768e4

Verbatim

t0
“Rhubarb Rhizomes”
✓ located verbatim in the source · title, characters 84–100

e4
“whereas the inter-day accuracy was in the range of -0.9986 and 1.0768”
✓ located verbatim in the source · abstract, characters 1811–1880

Title

Validated UV-Visible Spectrophotometric Method for the Estimation of Aloe-emodin in Rhubarb Rhizomes

Apoorv B. Jamdhade; Aishwarya R. Ingle; Pravin S. Wakte; et al. Journal of Advances in Medical and Pharmaceutical Sciences 2026. doi:10.9734/jamps/2026/v28i2844

Other claims from this paper (8)

Method / resource The UV-Visible method had maximum absorbance of aloe-emodin at 256 nm in methanol and water.
Method / resource The UV-Visible method showed linearity with a correlation coefficient of 0.9999.
Method / resource The intra-day accuracy of the UV-Visible method ranged from -6.6638 to 0.3083 per cent difference.
Method / resource The intra-day precision of the UV-Visible method was 0.22 to 1.85 %RSD.
Method / resource The inter-day values of the UV-Visible method were 0.54 to 1.98 %RSD.
Method / resource Variation during the robustness studies of the UV-Visible method was below 2 %RSD.
Method / resource The limit of detection of the UV-Visible method was 0.037 µg/mL.
Method / resource The limit of quantitation of the UV-Visible method was 0.11 µg/mL.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The intra-day precision of the UV-Visible method was 0.22 to 1.85 %RSD.

Taxon: RhubarbRheum rhabarbarumt0
Outcome: intra-day precisione5
Value: 0.22 to1.85e5

Verbatim

t0
“Rhubarb Rhizomes”
✓ located verbatim in the source · title, characters 84–100

e5
“The intra-day precision of the developed UV-Visible spectrophotometric method in terms of %RSD was found to be between 0.22 to1.85, whereas the inter-day values are in between 0.54 to 1.98”
✓ located verbatim in the source · abstract, characters 1882–2070

Title

Validated UV-Visible Spectrophotometric Method for the Estimation of Aloe-emodin in Rhubarb Rhizomes

Apoorv B. Jamdhade; Aishwarya R. Ingle; Pravin S. Wakte; et al. Journal of Advances in Medical and Pharmaceutical Sciences 2026. doi:10.9734/jamps/2026/v28i2844

Other claims from this paper (8)

Method / resource The UV-Visible method had maximum absorbance of aloe-emodin at 256 nm in methanol and water.
Method / resource The UV-Visible method showed linearity with a correlation coefficient of 0.9999.
Method / resource The intra-day accuracy of the UV-Visible method ranged from -6.6638 to 0.3083 per cent difference.
Method / resource The inter-day accuracy of the UV-Visible method ranged from -0.9986 to 1.0768 per cent difference.
Method / resource The inter-day values of the UV-Visible method were 0.54 to 1.98 %RSD.
Method / resource Variation during the robustness studies of the UV-Visible method was below 2 %RSD.
Method / resource The limit of detection of the UV-Visible method was 0.037 µg/mL.
Method / resource The limit of quantitation of the UV-Visible method was 0.11 µg/mL.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The inter-day values of the UV-Visible method were 0.54 to 1.98 %RSD.

Taxon: RhubarbRheum rhabarbarumt0
Outcome: inter-day valuese5
Value: 0.54 to 1.98e5

Verbatim

t0
“Rhubarb Rhizomes”
✓ located verbatim in the source · title, characters 84–100

e5
“The intra-day precision of the developed UV-Visible spectrophotometric method in terms of %RSD was found to be between 0.22 to1.85, whereas the inter-day values are in between 0.54 to 1.98”
✓ located verbatim in the source · abstract, characters 1882–2070

Title

Validated UV-Visible Spectrophotometric Method for the Estimation of Aloe-emodin in Rhubarb Rhizomes

Apoorv B. Jamdhade; Aishwarya R. Ingle; Pravin S. Wakte; et al. Journal of Advances in Medical and Pharmaceutical Sciences 2026. doi:10.9734/jamps/2026/v28i2844

Other claims from this paper (8)

Method / resource The UV-Visible method had maximum absorbance of aloe-emodin at 256 nm in methanol and water.
Method / resource The UV-Visible method showed linearity with a correlation coefficient of 0.9999.
Method / resource The intra-day accuracy of the UV-Visible method ranged from -6.6638 to 0.3083 per cent difference.
Method / resource The inter-day accuracy of the UV-Visible method ranged from -0.9986 to 1.0768 per cent difference.
Method / resource The intra-day precision of the UV-Visible method was 0.22 to 1.85 %RSD.
Method / resource Variation during the robustness studies of the UV-Visible method was below 2 %RSD.
Method / resource The limit of detection of the UV-Visible method was 0.037 µg/mL.
Method / resource The limit of quantitation of the UV-Visible method was 0.11 µg/mL.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Variation during the robustness studies of the UV-Visible method was below 2 %RSD.

Taxon: RhubarbRheum rhabarbarumt0
Outcome: variation (%RSD) during the robustness studiese6
Value: below 2 %e6

Verbatim

t0
“Rhubarb Rhizomes”
✓ located verbatim in the source · title, characters 84–100

e6
“The variation (%RSD) during the robustness studies of the proposed UV-Visible spectrophotometric method was found to be below 2 %”
✓ located verbatim in the source · abstract, characters 2072–2201

Title

Validated UV-Visible Spectrophotometric Method for the Estimation of Aloe-emodin in Rhubarb Rhizomes

Apoorv B. Jamdhade; Aishwarya R. Ingle; Pravin S. Wakte; et al. Journal of Advances in Medical and Pharmaceutical Sciences 2026. doi:10.9734/jamps/2026/v28i2844

Other claims from this paper (8)

Method / resource The UV-Visible method had maximum absorbance of aloe-emodin at 256 nm in methanol and water.
Method / resource The UV-Visible method showed linearity with a correlation coefficient of 0.9999.
Method / resource The intra-day accuracy of the UV-Visible method ranged from -6.6638 to 0.3083 per cent difference.
Method / resource The inter-day accuracy of the UV-Visible method ranged from -0.9986 to 1.0768 per cent difference.
Method / resource The intra-day precision of the UV-Visible method was 0.22 to 1.85 %RSD.
Method / resource The inter-day values of the UV-Visible method were 0.54 to 1.98 %RSD.
Method / resource The limit of detection of the UV-Visible method was 0.037 µg/mL.
Method / resource The limit of quantitation of the UV-Visible method was 0.11 µg/mL.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The limit of detection of the UV-Visible method was 0.037 µg/mL.

Taxon: RhubarbRheum rhabarbarumt0
Outcome: limit of detection (LOD)e7
Value: 0.037 µg/mLe7

Verbatim

t0
“Rhubarb Rhizomes”
✓ located verbatim in the source · title, characters 84–100

e7
“The limit of detection (LOD) and limit of quantitation (LOQ) of the developed UV-Visible spectrophotometric method were found to be 0.037 µg/mL & 0.11 µg/mL, respectively”
✓ located verbatim in the source · abstract, characters 2203–2373

Title

Validated UV-Visible Spectrophotometric Method for the Estimation of Aloe-emodin in Rhubarb Rhizomes

Apoorv B. Jamdhade; Aishwarya R. Ingle; Pravin S. Wakte; et al. Journal of Advances in Medical and Pharmaceutical Sciences 2026. doi:10.9734/jamps/2026/v28i2844

Other claims from this paper (8)

Method / resource The UV-Visible method had maximum absorbance of aloe-emodin at 256 nm in methanol and water.
Method / resource The UV-Visible method showed linearity with a correlation coefficient of 0.9999.
Method / resource The intra-day accuracy of the UV-Visible method ranged from -6.6638 to 0.3083 per cent difference.
Method / resource The inter-day accuracy of the UV-Visible method ranged from -0.9986 to 1.0768 per cent difference.
Method / resource The intra-day precision of the UV-Visible method was 0.22 to 1.85 %RSD.
Method / resource The inter-day values of the UV-Visible method were 0.54 to 1.98 %RSD.
Method / resource Variation during the robustness studies of the UV-Visible method was below 2 %RSD.
Method / resource The limit of quantitation of the UV-Visible method was 0.11 µg/mL.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The limit of quantitation of the UV-Visible method was 0.11 µg/mL.

Taxon: RhubarbRheum rhabarbarumt0
Outcome: limit of quantitation (LOQ)e7
Value: 0.11 µg/mLe7

Verbatim

t0
“Rhubarb Rhizomes”
✓ located verbatim in the source · title, characters 84–100

e7
“The limit of detection (LOD) and limit of quantitation (LOQ) of the developed UV-Visible spectrophotometric method were found to be 0.037 µg/mL & 0.11 µg/mL, respectively”
✓ located verbatim in the source · abstract, characters 2203–2373

Title

Validated UV-Visible Spectrophotometric Method for the Estimation of Aloe-emodin in Rhubarb Rhizomes

Apoorv B. Jamdhade; Aishwarya R. Ingle; Pravin S. Wakte; et al. Journal of Advances in Medical and Pharmaceutical Sciences 2026. doi:10.9734/jamps/2026/v28i2844

Other claims from this paper (8)

Method / resource The UV-Visible method had maximum absorbance of aloe-emodin at 256 nm in methanol and water.
Method / resource The UV-Visible method showed linearity with a correlation coefficient of 0.9999.
Method / resource The intra-day accuracy of the UV-Visible method ranged from -6.6638 to 0.3083 per cent difference.
Method / resource The inter-day accuracy of the UV-Visible method ranged from -0.9986 to 1.0768 per cent difference.
Method / resource The intra-day precision of the UV-Visible method was 0.22 to 1.85 %RSD.
Method / resource The inter-day values of the UV-Visible method were 0.54 to 1.98 %RSD.
Method / resource Variation during the robustness studies of the UV-Visible method was below 2 %RSD.
Method / resource The limit of detection of the UV-Visible method was 0.037 µg/mL.

Associationauthor interpretationreview summarysignificant (as stated)basis n/a

Claim · model-written summary

Photoperiod, temperature and light spectra significantly influence rhubarb growth and bioactive compound accumulation.

Taxon: RhubarbRheum rhabarbarume1
Treatment: photoperiod, temperature, and light spectrae0
Outcome: growth and bioactive compound accumulatione0

Not reportedDirection

Verbatim

e0
“environmental factors such as photoperiod, temperature, and light spectra can significantly influence growth and bioactive compound accumulation”
✓ located verbatim in the source · abstract, characters 734–878

e1
“Rhubarb ( Rheum spp.)”
✓ located verbatim in the source · abstract, characters 0–21

Title

Rheum rhaponticum : Sustainable cultivation Options in Central Europe

Dirk Hotz; Ilka Meinert; Peter W. Heger Natural Product Communications 2026. doi:10.1177/1934578x261456913

Other claims from this paper (3)

Method / resource Micropropagation offers a reliable way to produce high-quality rhubarb planting material.
Intervention effect Ozone treatment can enhance rhubarb postharvest quality and shelf life.
Recommendation Declining active ingredient content in imported rhaponticin supports regional cultivation for quality assurance and supply security.