Paper · 2016 · Revista Brasileira de Farmacognosia

A cytotoxic C-glycosylated derivative of apigenin from the leaves of Ocimum basilicum var. thyrsiflorum

Mohamed I.S. Abdelhady; Amira Abdel Motaal

9
claims
16
verbatim quotes
20
citations
1
research areas
✓
Open access · cc-by-nc-nd

Abstract

The standardized 80% ethanolic extract of the leaves of Ocimum basilicum var. thyrsiflorum (L.) Benth., Lamiaceae, growing in KSA, exhibited a significant antioxidant activity compared to the ethyl acetate and butanol extracts, which was correlated to its higher phenolic and flavonoid contents. Chromatographic separation of the 80% ethanol extract resulted in the isolation of ten known compounds; cinnamic acid, gallic acid, methylgallate, ellagic acid, methyl ellagic acid, apigenin, luteolin, vitexin, isovitexin, and 3″-O-acetylvitexin. Compound 3″-O-acetylvitexin, a C-glycosylated derivative of apigenin, was isolated for the first time from genus Ocimum. The 80% ethanolic extract and 3″-O-acetylvitexin showed significant cytotoxic activities against the HCT116 human colon cancer cell line [IC50 values 22.3 ± 1.1 and 16.8 ± 2.0 μg/ml (35.4 μM), respectively].

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Claims 9

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The standardized ethanolic basil leaf extract had greater antioxidant activity than ethyl acetate and butanol extracts.

Taxon
Ocimum basilicum var. thyrsiflorumOcimum basilicum var. thyrsiflorume0
Treatment
80% ethanolic extracte0
Outcome
antioxidant activitye0
Direction
increaseinferrede0
Comparator
ethyl acetate and butanol extractse0
Setting
KSAe0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ocimum basilicum var. thyrsiflorum
Ocimum basilicum var. thyrsiflorum · TaxonPhoto by David J. Stang · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The standardized 80% ethanolic extract of the leaves of Ocimum basilicum var. thyrsiflorum (L.) Benth., Lamiaceae, growing in KSA, exhibited a significant antioxidant activity compared to the ethyl acetate and butanol extracts”

✓ located verbatim in the source · abstract, characters 0–226 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

The greater antioxidant activity of the ethanolic extract correlated with higher phenolic and flavonoid contents.

Taxon
Ocimum basilicum var. thyrsiflorumOcimum basilicum var. thyrsiflorumt0
Outcome
phenolic and flavonoid contentse0
Direction
highere0
Qualifier
correlatede0

Not reportedCompoundTreatment

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ocimum basilicum var. thyrsiflorum
Ocimum basilicum var. thyrsiflorum · TaxonPhoto by David J. Stang · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“which was correlated to its higher phenolic and flavonoid contents.”

✓ located verbatim in the source · abstract, characters 228–295 · show in text ↑
t0

“A cytotoxic C-glycosylated derivative of apigenin from the leaves of Ocimum basilicum var. thyrsiflorum”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Chromatography isolated cinnamic acid, gallic acid, and methylgallate from the ethanolic extract.

Taxon
Ocimum basilicum var. thyrsiflorumOcimum basilicum var. thyrsiflorumt0
Outcome
cinnamic acid, gallic acid, methylgallatee0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ocimum basilicum var. thyrsiflorum
Ocimum basilicum var. thyrsiflorum · TaxonPhoto by David J. Stang · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Chromatographic separation of the 80% ethanol extract resulted in the isolation of ten known compounds; cinnamic acid, gallic acid, methylgallate, ellagic acid, methyl ellagic acid, apigenin, luteolin, vitexin, isovitexin, and 3″-O-acetylvitexin.”

✓ located verbatim in the source · abstract, characters 296–542 · show in text ↑
t0

“A cytotoxic C-glycosylated derivative of apigenin from the leaves of Ocimum basilicum var. thyrsiflorum”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Chromatography isolated ellagic acid, methyl ellagic acid, and apigenin.

Taxon
Ocimum basilicum var. thyrsiflorumOcimum basilicum var. thyrsiflorumt0
Outcome
ellagic acid, methyl ellagic acid, apigenine0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ocimum basilicum var. thyrsiflorum
Ocimum basilicum var. thyrsiflorum · TaxonPhoto by David J. Stang · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Chromatographic separation of the 80% ethanol extract resulted in the isolation of ten known compounds; cinnamic acid, gallic acid, methylgallate, ellagic acid, methyl ellagic acid, apigenin, luteolin, vitexin, isovitexin, and 3″-O-acetylvitexin.”

✓ located verbatim in the source · abstract, characters 296–542 · show in text ↑
t0

“A cytotoxic C-glycosylated derivative of apigenin from the leaves of Ocimum basilicum var. thyrsiflorum”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Chromatography isolated luteolin, vitexin, and isovitexin.

Taxon
Ocimum basilicum var. thyrsiflorumOcimum basilicum var. thyrsiflorumt0
Outcome
luteolin, vitexin, isovitexine0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ocimum basilicum var. thyrsiflorum
Ocimum basilicum var. thyrsiflorum · TaxonPhoto by David J. Stang · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Chromatographic separation of the 80% ethanol extract resulted in the isolation of ten known compounds; cinnamic acid, gallic acid, methylgallate, ellagic acid, methyl ellagic acid, apigenin, luteolin, vitexin, isovitexin, and 3″-O-acetylvitexin.”

✓ located verbatim in the source · abstract, characters 296–542 · show in text ↑
t0

“A cytotoxic C-glycosylated derivative of apigenin from the leaves of Ocimum basilicum var. thyrsiflorum”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Chromatography isolated 3″-O-acetylvitexin.

Taxon
Ocimum basilicum var. thyrsiflorumOcimum basilicum var. thyrsiflorumt0
Outcome
3″-O-acetylvitexine0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ocimum basilicum var. thyrsiflorum
Ocimum basilicum var. thyrsiflorum · TaxonPhoto by David J. Stang · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Chromatographic separation of the 80% ethanol extract resulted in the isolation of ten known compounds; cinnamic acid, gallic acid, methylgallate, ellagic acid, methyl ellagic acid, apigenin, luteolin, vitexin, isovitexin, and 3″-O-acetylvitexin.”

✓ located verbatim in the source · abstract, characters 296–542 · show in text ↑
t0

“A cytotoxic C-glycosylated derivative of apigenin from the leaves of Ocimum basilicum var. thyrsiflorum”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

3″-O-acetylvitexin was isolated from genus Ocimum for the first time.

Taxon
OcimumOcimume0
Outcome
3″-O-acetylvitexine0
Qualifier
for the first timee0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ocimum
Ocimum · Taxon · picture of the genus (one of its species)Andrew Bossi · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

e0

“Compound 3″-O-acetylvitexin, a C-glycosylated derivative of apigenin, was isolated for the first time from genus Ocimum.”

✓ located verbatim in the source · abstract, characters 543–663 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

The ethanolic extract showed significant cytotoxicity against HCT116 cells with IC50 22.3 ± 1.1 μg/ml.

Taxon
Ocimum basilicum var. thyrsiflorumOcimum basilicum var. thyrsiflorumt0
Treatment
80% ethanolic extracte0
Outcome
cytotoxic activitiese0
Value
22.3 ± 1.1e0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ocimum basilicum var. thyrsiflorum
Ocimum basilicum var. thyrsiflorum · TaxonPhoto by David J. Stang · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The 80% ethanolic extract and 3″-O-acetylvitexin showed significant cytotoxic activities against the HCT116 human colon cancer cell line [IC50 values 22.3 ± 1.1 and 16.8 ± 2.0 μg/ml (35.4 μM), respectively].”

✓ located verbatim in the source · abstract, characters 664–871 · show in text ↑
t0

“A cytotoxic C-glycosylated derivative of apigenin from the leaves of Ocimum basilicum var. thyrsiflorum”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

3″-O-acetylvitexin showed significant cytotoxicity against HCT116 cells with IC50 16.8 ± 2.0 μg/ml.

Taxon
Ocimum basilicum var. thyrsiflorumOcimum basilicum var. thyrsiflorumt0
Treatment
3″-O-acetylvitexine0
Outcome
cytotoxic activitiese0
Value
16.8 ± 2.0 μg/ml (35.4 μM)e0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ocimum basilicum var. thyrsiflorum
Ocimum basilicum var. thyrsiflorum · TaxonPhoto by David J. Stang · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The 80% ethanolic extract and 3″-O-acetylvitexin showed significant cytotoxic activities against the HCT116 human colon cancer cell line [IC50 values 22.3 ± 1.1 and 16.8 ± 2.0 μg/ml (35.4 μM), respectively].”

✓ located verbatim in the source · abstract, characters 664–871 · show in text ↑
t0

“A cytotoxic C-glycosylated derivative of apigenin from the leaves of Ocimum basilicum var. thyrsiflorum”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑

botanical · quality: phytochemicals · Ocimum basilicum (basil)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.