Eurycoma longifolia 287 claims

species · family Simaroubaceae · green plant · NCBI Taxonomy ↗

Also written in claims: E. longifolia Jack · pasak bumi · tongkat ali

8 spellings

Eurycoma longifolia
Eurycoma longifolia · picture from its Wikimedia Commons categoryTongkatAliFactChecker · CC BY-SA 4.0 · Wikimedia Commons ↗
Observationobservedoriginal resultmeasured

Claim · model-written summary

Fluorescence-guided isolation from Eurycoma longifolia identified twenty-six compounds, coumarins 1-10 and carbolines 11-26.

Taxon
Eurycoma longifoliaEurycoma longifoliae1
Organ / stage
rootst0
Outcome
identification of twenty-six compoundse1
Value
twenty-six compoundse1

Verbatim

e1

“A fluorescent-guided isolation from Eurycoma longifolia led to the first identification of twenty-six compounds, namely coumarins (1–10) and carbolines (11–26)”

✓ located verbatim in the source · abstract, characters 0–159
t0

“Fluorescent compounds from the roots of Eurycoma longifolia”

✓ located verbatim in the source · title, characters 0–59

Title

Fluorescent compounds from the roots of Eurycoma longifolia

Xiao Ji; Han Sun; Feng Wei; et al. Journal of Asian Natural Products Research 2026. doi:10.1080/10286020.2026.2662990

Other claims from this paper (2)
Observationobservedoriginal resultmeasured

Claim · model-written summary

The new compound eurycomalind C (1) was characterized by NMR, HRESIMS and calculated ECD.

Taxon
Eurycoma longifoliaEurycoma longifoliat0
Organ / stage
rootst0
Compound
eurycomalind C (1)e2
Outcome
characterizede2

Verbatim

e2

“The new compound eurycomalind C (1) was characterized by NMR, HRESIMS, and calculated ECD”

✓ located verbatim in the source · abstract, characters 161–250
t0

“Fluorescent compounds from the roots of Eurycoma longifolia”

✓ located verbatim in the source · title, characters 0–59

Title

Fluorescent compounds from the roots of Eurycoma longifolia

Xiao Ji; Han Sun; Feng Wei; et al. Journal of Asian Natural Products Research 2026. doi:10.1080/10286020.2026.2662990

Other claims from this paper (2)
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Compounds 1-4 showed anti-inflammatory activity in LPS-stimulated macrophages.

Taxon
Eurycoma longifoliaEurycoma longifoliat0
Organ / stage
rootst0
Compound
Compounds 1–4e3
Outcome
anti-inflammatory activitye3
Qualifier
LPS-stimulated macrophagese3

Verbatim

e3

“Compounds 1–4 demonstrated anti-inflammatory activity in LPS-stimulated macrophages”

✓ located verbatim in the source · abstract, characters 252–335
t0

“Fluorescent compounds from the roots of Eurycoma longifolia”

✓ located verbatim in the source · title, characters 0–59

Title

Fluorescent compounds from the roots of Eurycoma longifolia

Xiao Ji; Han Sun; Feng Wei; et al. Journal of Asian Natural Products Research 2026. doi:10.1080/10286020.2026.2662990

Other claims from this paper (2)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Hairy root cultures of E. longifolia were established using Agrobacterium rhizogenes strain A4.

Taxon
E. longifoliaEurycoma longifoliae0
Organ / stage
hairy root culturese0
Treatment
Agrobacterium rhizogenes strain A4e0
Interactor
Agrobacterium rhizogenes strain A4e0other
Outcome
were establishede0

Verbatim

e0

“hairy root cultures of E. longifolia were established using the Agrobacterium rhizogenes strain A4”

✓ located verbatim in the source · abstract, characters 723–821

Title

Production of Canthin-6-One and Stigmasterol in Eurycoma Longifolia (Tongkat Ali) Jack. Hairy Root Culture Transformed Using Agrobacterium Rhizogenes Strain A4

Nor Hasnida Hassan; Sui Kiong Ling; Nazirah Abdullah; et al. Sains Malaysiana 2025. doi:10.17576/jsm-2025-5405-02

Other claims from this paper (3)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Canthin-6-one production was confirmed in transformed E. longifolia hairy roots.

Taxon
E. longifoliaEurycoma longifoliae0
Organ / stage
transformed hairy rootse0
Outcome
canthin-6-onee0

Verbatim

e0

“The production of two chemical compounds reported extracted from E. longifolia natural roots, canthin-6-one and stigmasterol, was confirmed in the extracts of the E. longifolia transformed hairy roots”

✓ located verbatim in the source · abstract, characters 957–1157

Title

Production of Canthin-6-One and Stigmasterol in Eurycoma Longifolia (Tongkat Ali) Jack. Hairy Root Culture Transformed Using Agrobacterium Rhizogenes Strain A4

Nor Hasnida Hassan; Sui Kiong Ling; Nazirah Abdullah; et al. Sains Malaysiana 2025. doi:10.17576/jsm-2025-5405-02

Other claims from this paper (3)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Stigmasterol production was confirmed in transformed E. longifolia hairy roots.

Taxon
E. longifoliaEurycoma longifoliae0
Organ / stage
transformed hairy rootse0
Outcome
stigmasterole0

Verbatim

e0

“canthin-6-one and stigmasterol, was confirmed in the extracts of the E. longifolia transformed hairy roots”

✓ located verbatim in the source · abstract, characters 1051–1157

Title

Production of Canthin-6-One and Stigmasterol in Eurycoma Longifolia (Tongkat Ali) Jack. Hairy Root Culture Transformed Using Agrobacterium Rhizogenes Strain A4

Nor Hasnida Hassan; Sui Kiong Ling; Nazirah Abdullah; et al. Sains Malaysiana 2025. doi:10.17576/jsm-2025-5405-02

Other claims from this paper (3)
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors propose E. longifolia hairy root culture as an alternative compound source.

Taxon
E. longifoliaEurycoma longifoliae0
Outcome
alternative source for these chemical compoundse0

Verbatim

e0

“E. longifolia hairy roots culture can be used as an alternative source for these chemical compounds.”

✓ located verbatim in the source · abstract, characters 1272–1372

Title

Production of Canthin-6-One and Stigmasterol in Eurycoma Longifolia (Tongkat Ali) Jack. Hairy Root Culture Transformed Using Agrobacterium Rhizogenes Strain A4

Nor Hasnida Hassan; Sui Kiong Ling; Nazirah Abdullah; et al. Sains Malaysiana 2025. doi:10.17576/jsm-2025-5405-02

Other claims from this paper (3)
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Eurycoma longifolia leaf extract had higher phenolic, flavonoid and antioxidant measures than root extract.

Taxon
Eurycoma longifoliaEurycoma longifoliae0
Organ / stage
leavese0
Outcome
phenolic, flavonoid, and antioxidantse0
Direction
highere0
Comparator
root extracte0

Verbatim

e0

“phenolic, flavonoid, and antioxidants in the leaves extract of Eurycoma apiculata and Eurycoma longifolia was higher than those in the root extract”

✓ located verbatim in the source · abstract, characters 739–886

Title

Comparison of phenolic, flavonoid and antioxidant properties of leaves and root of two Eurycoma spp.

Zulfahmi; Rosmaina; N Aprianis; et al. IOP Conference Series Earth and Environmental Science 2025. doi:10.1088/1755-1315/1490/1/012038

Other claims from this paper (3)
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend Eurycoma longifolia leaves as a replacement source for roots.

Taxon
Eurycoma longifoliaEurycoma longifoliae0
Outcome
leaves extract to replace the root extracte0

Verbatim

e0

“recommend to use Eurycoma apiculata and Eurycoma longifolia leaves extract to replace the root extract as a source of phenolic, flavonoid, and antioxidants”

✓ located verbatim in the source · abstract, characters 910–1065

Title

Comparison of phenolic, flavonoid and antioxidant properties of leaves and root of two Eurycoma spp.

Zulfahmi; Rosmaina; N Aprianis; et al. IOP Conference Series Earth and Environmental Science 2025. doi:10.1088/1755-1315/1490/1/012038

Other claims from this paper (3)
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

DAMD genetic similarity was 90.6% at 8 weeks under LED treatments.

Taxon
Eurycoma longifoliaEurycoma longifoliat0
Organ / stage
hairy rootse0
Outcome
genetic similaritye0
Value
90.6%e0
Qualifier
under all LED treatmentse0

Verbatim

e0

“The results showed genetic similarity of 90.6% after 8 weeks and 100% after 10 and 12 weeks (DAMD) and 100%, 98.2% and 90.3% after 8, 10 and 12 weeks, respectively (ISSR) under all LED treatments, confirming the genetic stability of the hairy roots.”

✓ located verbatim in the source · abstract, characters 800–1049
t0

“Eurycoma longifolia”

✓ located verbatim in the source · title, characters 101–120

Title

The Effect of Light Emitting Diodes (LEDs) Spectra on Growth, Morphological and Genetic Stability of Eurycoma longifolia Hairy Root Cultures through ISSR and DAMD Analysis

Mahmoud Ali Khalaf Abushattal; Sani Sale; Sreeramanan Subramaniam; et al. Tropical Life Sciences Research 2025. doi:10.21315/tlsr2025.36.2.9

Other claims from this paper (6)