Abstract
General phytochemical screening of the leaves of Saurauia roxburghii (Actinidiaceae) revealed the presence of alkaloids, flavonoids, glycosides, O-glycosides, terpenoids, carbohydrates, steroids, reducing sugar, tannins, phlobatannins and saponin are present in this plant whereas cardiac glycosides are absent. Two steroid compounds were isolated from the n-hexane extract of the leaves from S. roxburghii. Based on the spectral evidence IR, 1H-NMR and 13C-NMR, structures were determined to be stigmasterol (1) and β-sitosterol (2) This is the first report so far of occurrence and details spectroscopic description of these compounds from S. roxburghii.
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Claims 7
Claim · model-written summary
Screening found alkaloids, flavonoids and glycosides in the leaves.
- Taxon
- Saurauia roxburghii
Saurauia roxburghiie0 - Organ / stage
- leavese0
- Outcome
- alkaloids, flavonoids, glycosidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“General phytochemical screening of the leaves of Saurauia roxburghii (Actinidiaceae) revealed the presence of alkaloids, flavonoids, glycosides”
Claim · model-written summary
Screening found O-glycosides, terpenoids and carbohydrates.
- Taxon
- Saurauia roxburghiiSaurauia roxburghiit0
- Outcome
- O-glycosides, terpenoids, carbohydratese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“O-glycosides, terpenoids, carbohydrates”
t0“Saurauia roxburghii”
Claim · model-written summary
Screening found steroids, reducing sugar and tannins.
- Taxon
- Saurauia roxburghiiSaurauia roxburghiit0
- Outcome
- steroids, reducing sugar, tanninse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“steroids, reducing sugar, tannins”
t0“Saurauia roxburghii”
Claim · model-written summary
Screening found phlobatannins and saponin.
- Taxon
- Saurauia roxburghiiSaurauia roxburghiit0
- Outcome
- phlobatannins and saponine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phlobatannins and saponin are present in this plant”
t0“Saurauia roxburghii”
Claim · model-written summary
Cardiac glycosides were absent.
- Taxon
- Saurauia roxburghiiSaurauia roxburghiit0
- Outcome
- cardiac glycosides are absente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cardiac glycosides are absent”
t0“Saurauia roxburghii”
Claim · model-written summary
Stigmasterol was isolated and identified from leaves.
- Taxon
- Saurauia roxburghiiSaurauia roxburghiit0
- Outcome
- stigmasterol (1)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“structures were determined to be stigmasterol (1) and β-sitosterol (2)”
t0“Saurauia roxburghii”
Claim · model-written summary
β-sitosterol was isolated and identified from leaves.
- Taxon
- Saurauia roxburghiiSaurauia roxburghiit0
- Outcome
- β-sitosterol (2)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“structures were determined to be stigmasterol (1) and β-sitosterol (2)”
t0“Saurauia roxburghii”