By organism › Green plants › Lamiaceae › Teucrium canadense

Observationobservedoriginal resultmeasured

Claim · model-written summary

Dihydroteugin and other diterpenoids were tentatively identified in Teucrium methanol extracts by LC/MS and 1H NMR

Taxon: T. chamaedrys and T. canadenseTeucrium chamaedrysTeucrium canadenset0
Compound: Dihydroteugine1
Outcome: tentatively identifiede2

Verbatim

t0
“T. chamaedrys and T. canadense”
✓ located verbatim in the source · title, characters 95–125

e1
“Dihydroteugin”
✓ located verbatim in the source · abstract, characters 449–462

e2
“were tentatively identified in the plant extracts by LC/MS and 1 H NMR experiments”
✓ located verbatim in the source · abstract, characters 525–607

Title

Evidence for the presence of selected diterpenoids from the methanol extracts of authenticated T. chamaedrys and T. canadense by LC/MS and NMR

P Ramnathan Sundaresan; Erich Grundel; Kevin D White; et al. The FASEB Journal 2006. doi:10.1096/fasebj.20.5.a1020-c

Other claims from this paper (3)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Semi-preparative HPLC isolated TC-1, TC-5 and TC-6 in milligram quantities

Taxon: T. chamaedrys and T. canadenseTeucrium chamaedrysTeucrium canadenset0
Outcome: milligram quantitiese3

Verbatim

t0
“T. chamaedrys and T. canadense”
✓ located verbatim in the source · title, characters 95–125

e3
“in milligram quantities”
✓ located verbatim in the source · abstract, characters 833–856

Title

Evidence for the presence of selected diterpenoids from the methanol extracts of authenticated T. chamaedrys and T. canadense by LC/MS and NMR

P Ramnathan Sundaresan; Erich Grundel; Kevin D White; et al. The FASEB Journal 2006. doi:10.1096/fasebj.20.5.a1020-c

Other claims from this paper (3)

Observationobservedoriginal resultmeasured

Claim · model-written summary

NMR experiments gave conclusive evidence for the existence of diterpenoids TC-1, TC-5 and TC-6

Taxon: T. chamaedrys and T. canadenseTeucrium chamaedrysTeucrium canadenset0
Outcome: existence of the diterpenoid compoundse4
Qualifier: conclusive evidencee4

Verbatim

t0
“T. chamaedrys and T. canadense”
✓ located verbatim in the source · title, characters 95–125

e4
“conclusive evidence for the existence of the diterpenoid compounds”
✓ located verbatim in the source · abstract, characters 913–979

Title

Evidence for the presence of selected diterpenoids from the methanol extracts of authenticated T. chamaedrys and T. canadense by LC/MS and NMR

P Ramnathan Sundaresan; Erich Grundel; Kevin D White; et al. The FASEB Journal 2006. doi:10.1096/fasebj.20.5.a1020-c

Other claims from this paper (3)

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The analytical HPLC method for isolating selected diterpenoids is simple and sensitive

Taxon: T. chamaedrys and T. canadenseTeucrium chamaedrysTeucrium canadenset0
Outcome: analytical HPLC method for the isolation of selected diterpenoidse5
Qualifier: simple and sensitivee5

Not reportedComparator

Verbatim

t0
“T. chamaedrys and T. canadense”
✓ located verbatim in the source · title, characters 95–125

e5
“The analytical HPLC method for the isolation of selected diterpenoids is simple and sensitive”
✓ located verbatim in the source · abstract, characters 1230–1323

Title

Evidence for the presence of selected diterpenoids from the methanol extracts of authenticated T. chamaedrys and T. canadense by LC/MS and NMR

P Ramnathan Sundaresan; Erich Grundel; Kevin D White; et al. The FASEB Journal 2006. doi:10.1096/fasebj.20.5.a1020-c

Other claims from this paper (3)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Teucrin A, dihydroteugin, and teuflin were tentatively identified in extracts.

Taxon: Teucrium chamaedrys and T. canadenseTeucrium chamaedrysTeucrium canadenset0
Outcome: Teucrin A and diterpenoids such as dihydroteugin, teufline0
Qualifier: tentativelye0

Verbatim

e0
“Teucrin A and diterpenoids such as dihydroteugin, teuflin, teuflidin and teucvidin were tentatively identified in the plant extracts by HPLC-MS and 1H-NMR experiments”
✓ located verbatim in the source · abstract, characters 846–1012

t0
“Teucrium chamaedrys and T. canadense”
✓ located verbatim in the source · title, characters 85–121

Title

Isolation and characterisation of selected germander diterpenoids from authenticated Teucrium chamaedrys and T. canadense by HPLC, HPLC‐MS and NMR

P. Ramnathan Sundaresan; Sarah A. Slavoff; Erich Grundel; et al. Phytochemical Analysis 2006. doi:10.1002/pca.912

Other claims from this paper (3)

Observation Teuflidin and teucvidin were tentatively identified in extracts.
Method / resource A solid-phase extraction method was developed to isolate teucrin A using styrene divinylbenzene.
Method / resource A solid-phase extraction method was developed to isolate teuflin using strata-X sorbent.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Teuflidin and teucvidin were tentatively identified in extracts.

Taxon: Teucrium chamaedrys and T. canadenseTeucrium chamaedrysTeucrium canadenset0
Outcome: teuflidin and teucvidine0
Qualifier: tentativelye0

Verbatim

e0
“Teucrin A and diterpenoids such as dihydroteugin, teuflin, teuflidin and teucvidin were tentatively identified in the plant extracts by HPLC-MS and 1H-NMR experiments”
✓ located verbatim in the source · abstract, characters 846–1012

t0
“Teucrium chamaedrys and T. canadense”
✓ located verbatim in the source · title, characters 85–121

Title

Isolation and characterisation of selected germander diterpenoids from authenticated Teucrium chamaedrys and T. canadense by HPLC, HPLC‐MS and NMR

P. Ramnathan Sundaresan; Sarah A. Slavoff; Erich Grundel; et al. Phytochemical Analysis 2006. doi:10.1002/pca.912

Other claims from this paper (3)

Observation Teucrin A, dihydroteugin, and teuflin were tentatively identified in extracts.
Method / resource A solid-phase extraction method was developed to isolate teucrin A using styrene divinylbenzene.
Method / resource A solid-phase extraction method was developed to isolate teuflin using strata-X sorbent.

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

A solid-phase extraction method was developed to isolate teucrin A using styrene divinylbenzene.

Taxon: Teucrium chamaedrys and T. canadenseTeucrium chamaedrysTeucrium canadenset0
Outcome: solid-phase extraction methode0
Qualifier: teucrin Ae0
Comparator: styrene divinylbenzenee0

Not reportedValue

Verbatim

e0
“a solid-phase extraction method was developed for the first time using styrene divinylbenzene and strata-X sorbents for teucrin A and teuflin, respectively”
✓ located verbatim in the source · abstract, characters 1085–1240

t0
“Teucrium chamaedrys and T. canadense”
✓ located verbatim in the source · title, characters 85–121

Title

Isolation and characterisation of selected germander diterpenoids from authenticated Teucrium chamaedrys and T. canadense by HPLC, HPLC‐MS and NMR

P. Ramnathan Sundaresan; Sarah A. Slavoff; Erich Grundel; et al. Phytochemical Analysis 2006. doi:10.1002/pca.912

Other claims from this paper (3)

Observation Teucrin A, dihydroteugin, and teuflin were tentatively identified in extracts.
Observation Teuflidin and teucvidin were tentatively identified in extracts.
Method / resource A solid-phase extraction method was developed to isolate teuflin using strata-X sorbent.

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

A solid-phase extraction method was developed to isolate teuflin using strata-X sorbent.

Taxon: Teucrium chamaedrys and T. canadenseTeucrium chamaedrysTeucrium canadenset0
Outcome: solid-phase extraction methode0
Qualifier: teufline0
Comparator: strata-X sorbentse0

Not reportedValue

Verbatim

e0
“a solid-phase extraction method was developed for the first time using styrene divinylbenzene and strata-X sorbents for teucrin A and teuflin, respectively”
✓ located verbatim in the source · abstract, characters 1085–1240

t0
“Teucrium chamaedrys and T. canadense”
✓ located verbatim in the source · title, characters 85–121

Title

Isolation and characterisation of selected germander diterpenoids from authenticated Teucrium chamaedrys and T. canadense by HPLC, HPLC‐MS and NMR

P. Ramnathan Sundaresan; Sarah A. Slavoff; Erich Grundel; et al. Phytochemical Analysis 2006. doi:10.1002/pca.912

Other claims from this paper (3)

Observation Teucrin A, dihydroteugin, and teuflin were tentatively identified in extracts.
Observation Teuflidin and teucvidin were tentatively identified in extracts.
Method / resource A solid-phase extraction method was developed to isolate teucrin A using styrene divinylbenzene.

Observationobservedoriginal resultmeasured

Claim · model-written summary

T. canadense extract contained phenylpropanoids with verbascoside most prominent.

Taxon: T. canadenseTeucrium canadensee0
Outcome: phenylpropanoids, with verbascoside as the most prominente0
Qualifier: 70% ethanol extracte0

Verbatim

e0
“The major compounds of the 70% ethanol extract of T. canadense are phenylpropanoids, with verbascoside as the most prominent, and a variable amount of teucrioside.”
✓ located verbatim in the source · abstract, characters 449–612

Title

Analysis of Scutellaria lateriflora and Its Adulterants Teucrium canadense and Teucrium chamaedrys by LC–UV/MS, TLC, and Digital Photomicroscopy

Stefan Gafner; Chantal Bergeron; Laura L Batcha; et al. Journal of AOAC International 2003. doi:10.1093/jaoac/86.3.453

Other claims from this paper (9)

Observation S. lateriflora extract contained predominantly baicalin, lateriflorin and dihydrobaicalin.
Observation S. lateriflora extract contained baicalein.
Observation T. canadense extract contained a variable amount of teucrioside.
Observation Teucrioside was the major compound in T. chamaedrys.
Observation Teucrioside was absent from S. lateriflora.
Method / resource Phenylpropane glycosides distinguished S. lateriflora from Teucrium species using LC-UV and TLC.
Observation T. canadense had abundant strap-shaped stem and bristle-like leaf trichomes.
Observation T. chamaedrys had a waxy cuticle with numerous glandular scales.
Method / resource These cell structures enabled detection of Scutellaria herb adulteration with either Teucrium species.

Observationobservedoriginal resultmeasured

Claim · model-written summary

T. canadense extract contained a variable amount of teucrioside.

Taxon: T. canadenseTeucrium canadensee0
Outcome: variable amount of teucriosidee0

Verbatim

e0
“The major compounds of the 70% ethanol extract of T. canadense are phenylpropanoids, with verbascoside as the most prominent, and a variable amount of teucrioside.”
✓ located verbatim in the source · abstract, characters 449–612

Title

Analysis of Scutellaria lateriflora and Its Adulterants Teucrium canadense and Teucrium chamaedrys by LC–UV/MS, TLC, and Digital Photomicroscopy

Stefan Gafner; Chantal Bergeron; Laura L Batcha; et al. Journal of AOAC International 2003. doi:10.1093/jaoac/86.3.453

Other claims from this paper (9)

Observation S. lateriflora extract contained predominantly baicalin, lateriflorin and dihydrobaicalin.
Observation S. lateriflora extract contained baicalein.
Observation T. canadense extract contained phenylpropanoids with verbascoside most prominent.
Observation Teucrioside was the major compound in T. chamaedrys.
Observation Teucrioside was absent from S. lateriflora.
Method / resource Phenylpropane glycosides distinguished S. lateriflora from Teucrium species using LC-UV and TLC.
Observation T. canadense had abundant strap-shaped stem and bristle-like leaf trichomes.
Observation T. chamaedrys had a waxy cuticle with numerous glandular scales.
Method / resource These cell structures enabled detection of Scutellaria herb adulteration with either Teucrium species.

Teucrium canadense 23 claims

23 claims