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Evaluation of antiulcer activity of the main phenolic acids found in Brazilian Green Propolis.
AIM OF THE STUDY In a previous study, our group described the gastric protective effect of the hydroalcoholic extract of Brazilian green propolis. The main compounds found in Brazilian green propolisExpand
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Nerolidol, an Antiulcer Constituent from the Essential Oil of Baccharis dracunculifolia DC (Asteraceae)
In this study, the antiulcerogenic effect of essential oil from Baccharis dracunculifolia was evaluated using the model of acute gastric lesions induced by ethanol. The ulcerative lesion index (ULI)Expand
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Sympatric occurrence of two cytotypes of Astyanax scabripinnis (Characiformes, Characidae)
Among four specimens of Astyanax scabripinnis sympatrically collected from the Tamandua stream (State of Sao Paulo, Brazil), three, named cytotype I, had 2n = 50 chromosomes (6M + 26SM + 4ST + 14A)Expand
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Occurrence of macro B chromosomes in Astyanax scabripinnis paranae (Pisces, Characiformes, Characidae)
B chromosomes occur in several Neotropical fish species. Cytogenetic analysis of 27 specimens (15 females and 12 males) of Astyanax scabripinnis paranae from the Araquá river (a small headwaterExpand
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First in vivo evaluation of the mutagenic effect of Brazilian green propolis by comet assay and micronucleus test.
Propolis is a hive product containing chiefly beeswax and plant-derived substances such as resin and volatile compounds. Propolis has been used in various parts of the world as an antiseptic andExpand
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Evaluation of the genotoxic potential of the Casearia sylvestris extract on HTC and V79 cells by the comet assay.
Casearia sylvestris is common in tropical America growing wild in Brazil in the states of Amazonas and São Paulo. Its leaves are used in Brazilian folk medicine for several diseases. The presentExpand
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Unusual occurrence of a ZZ/ZW sex-chromosome system and supernumerary chromosomes in Characidium cf. fasciatum (Pisces, Characiformes, Characidiinae)
Individuals of two populations of the fish Characidium cf. fasciatum were cytogenetically studied and showed a basic diploid number of 50 chromosomes. Some fishes were found to have 51 to 54Expand
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Natural triploidy in Astyanax scabripinnis (Pisces, Characidae) and simultaneous occurrence of macro B-chromosomes
SUMMARYThe occurrence of natural triploidy in two specimens of Astyanax scabripinnis collected in the Araqua river and in the Corrego das Pedras stream, respectively, is noticed. The triploidExpand
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Cytogenetic Analysis of A- and B-Chromosomes of Prochilodus Lineatus (Teleostei, Prochilodontidae) Using Different Restriction Enzyme Banding and Staining Methods
Different cytogenetic techniques were used to analyse the chromosomes of Prochilodus lineatus with the main objective of comparing the base composition of A- and B-chromosomes. The results ofExpand
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Genotoxicity testing of Ambelania occidentalis (Apocynaceae) leaf extract in vivo.
Ambelania occidentalis is routinely used in folk medicine for treating gastrointestinal disorders, even though there have been no safety trials. We evaluated the genotoxic potential ofExpand
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