Abstract
The symbiotic fungus Leucoagaricus gongylophorus (Möller) Singer (syn. Rozites gongylophora Möller) cultivated by the leaf-cutting ant Atta sexdens L. had its development strongly inhibited by crude extracts obtained from leaves of sesame, Sesamum indicum L. (Pedaliaceae). With most of the fractions from these extracts total inhibition was observed at 2.5 mg/ml, whereas inhibition of 50% was observed with some fractions at 1.25 mg/ml. Chromatographic analysis of the hexane extract showed that it was composed by a mixture of fatty acids, of which tetradecanoic, hexadecanoic, octadecanoic, icosanoic, docosanoic and 9,12,15 octadecatrienoic acids were the major components. The separation of these compounds during the different steps of purification resulted in no or lower inhibitory effect for most of these fractions, indicating that the inhibitory activity observed could be due to the joint action of these compounds present in the leaf tissue, rather than to the action of a single substance.
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Claims 7
Claim · model-written summary
Crude extracts from sesame leaves strongly inhibited development of the symbiotic fungus Leucoagaricus gongylophorus cultivated by Atta sexdens.
- Taxon
- Sesamum indicum L.
Sesamum indicume1 - Treatment
- crude extracts obtained from leaves of sesamee1
- Interactor
- Leucoagaricus gongylophorus
_M%C3%B6ller_214876.jpg?width=60)
Leucocoprinus gongylophoruse0other - Outcome
- developmente1
- Direction
- strongly inhibitede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_M%C3%B6ller_214876.jpg?width=500)
Verbatim
e0“The symbiotic fungus Leucoagaricus gongylophorus”
e1“had its development strongly inhibited by crude extracts obtained from leaves of sesame, Sesamum indicum L.”
Claim · model-written summary
Most fractions of the sesame extracts gave total inhibition of the fungus at 2.5 mg/ml.
- Taxon
- sesameSesamum indicumt0
- Treatment
- fractions from these extractse0
- Outcome
- inhibitione0
- Direction
- total inhibitione0
- Qualifier
- 2.5 mg/mle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sesame leaf extracts”
e0“With most of the fractions from these extracts total inhibition was observed at 2.5 mg/ml”
Claim · model-written summary
Some fractions of the sesame extracts gave 50% inhibition of the fungus at 1.25 mg/ml.
- Taxon
- sesameSesamum indicumt0
- Treatment
- some fractionse0
- Outcome
- inhibitione0
- Direction
- inhibition of 50%e0
- Value
- 50%e0
- Qualifier
- 1.25 mg/mle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sesame leaf extracts”
e0“inhibition of 50% was observed with some fractions at 1.25 mg/ml”
Claim · model-written summary
Chromatographic analysis of the hexane extract showed a mixture of fatty acids, with tetradecanoic, hexadecanoic and octadecanoic acids among the major components.
- Taxon
- sesameSesamum indicumt0
- Outcome
- tetradecanoic, hexadecanoic, octadecanoice1
- Qualifier
- hexane extracte0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sesame leaf extracts”
e0“Chromatographic analysis of the hexane extract showed that it was composed by a mixture of fatty acids”
e1“tetradecanoic, hexadecanoic, octadecanoic”
Claim · model-written summary
Icosanoic, docosanoic and 9,12,15 octadecatrienoic acids were also major components of the hexane extract.
- Taxon
- sesameSesamum indicumt0
- Outcome
- icosanoic, docosanoic and 9,12,15 octadecatrienoic acidse1
- Qualifier
- hexane extracte0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sesame leaf extracts”
e0“Chromatographic analysis of the hexane extract”
e1“icosanoic, docosanoic and 9,12,15 octadecatrienoic acids were the major components”
Claim · model-written summary
Separating these compounds during purification gave no or lower inhibitory effect for most fractions.
- Taxon
- sesameSesamum indicumt0
- Outcome
- inhibitory effecte0
- Direction
- lowere0
- Qualifier
- separation of these compounds during the different steps of purificatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sesame leaf extracts”
e0“The separation of these compounds during the different steps of purification resulted in no or lower inhibitory effect for most of these fractions”
Claim · model-written summary
The inhibitory activity may be due to the joint action of the compounds in the leaf tissue rather than to a single substance.
- Taxon
- sesameSesamum indicumt0
- Outcome
- inhibitory activitye0
- Qualifier
- joint action of these compoundse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sesame leaf extracts”
e0“the inhibitory activity observed could be due to the joint action of these compounds present in the leaf tissue, rather than to the action of a single substance”
The same questions in other papers
botanical · disease · Sesamum indicum (sesame)Results agree
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See all 10 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.