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  • Chemical composition and biological activity of a new type of Brazilian propolis: Red propolis

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2007Publisher:Elsevier BV
    Authors: Claudio M. Costa-Neto; Pedro Luiz Rosalen; Ingridy Simone Ribeiro Cabral; M. Ikegaki; +4 Authors

    doi: 10.1016/j.jep.2007.06.005

    pmid: 17656055

    Propolis has been used as a medicinal agent to treat infections and promote wound healing for centuries. The aim of the present study was to test the antimicrobial, antioxidant, and cytotoxic activities of a new type of Brazilian propolis, popularly called red propolis, as well as to analyze its chemical composition. The antimicrobial activity against Staphylococcus aureus ATCC 25923 and Staphylococcus mutans UA159 was evaluated and the chloroform fraction (Chlo-fr) was the most active with lower MIC ranging from 25 to 50 microg/ml. The hexane fraction (H-fr), having the highest concentration of total flavonoids, showed the best sequestrating activity for the free radical DPPH. The ethanolic extract of propolis (EEP) showed cytotoxic activity for the HeLa tumor cells with an IC(50) of 7.45 microg/ml. When the EEP was analyzed by GC-MS, seven new compounds were found, among which four were isoflavones. Our results showed that the red propolis has biologically active compounds that had never been reported in other types of Brazilian propolis.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Ethnophar...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of Ethnopharmacology
    Article . 2007 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
    Journal of Ethnopharmacology
    Article . 2007
    Data sources: Europe PubMed Central
    Journal of Ethnopharmacology
    Journal
    Data sources: Microsoft Academic Graph
    Claim

    This Research product is the result of merged Research products in OpenAIRE.

    You have already added works in your ORCID record related to the merged Research product.
    292
    citations292
    popularityTop 1%
    influenceTop 1%
    impulseTop 10%
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Ethnophar...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of Ethnopharmacology
      Article . 2007 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
      Journal of Ethnopharmacology
      Article . 2007
      Data sources: Europe PubMed Central
      Journal of Ethnopharmacology
      Journal
      Data sources: Microsoft Academic Graph
      Claim

      This Research product is the result of merged Research products in OpenAIRE.

      You have already added works in your ORCID record related to the merged Research product.

  • Optimized conventional and ultrasound-assisted ethyl transesterification of jatropha (Jatropha curcas) and palm (Elaeis guineensis) oil mixtures

    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2021Publisher:Informa UK Limited
    Authors: Thony Arce Saavedra; Larissa Braga Bueno-Borges; Naiane Sangaletti-Gerhard; Severino Matias de Alencar; +1 Authors

    doi: 10.1080/00986445.2021.1977925

    While biodiesel from jatropha oil is oxidation-sensitive and fluid, palm oil-biodiesel is more stable, but with sub-optimal fluid dynamics. Mixing these oils before reaction could be advantageous f...

    Claim

    This Research product is the result of merged Research products in OpenAIRE.

    You have already added works in your ORCID record related to the merged Research product.
    4
    citations4
    popularityTop 10%
    influenceAverage
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The following results are related to Energy Research. Are you interested to view more results? Visit OpenAIRE - Explore.
2 Research products
download

  • Chemical composition and biological activity of a new type of Brazilian propolis: Red propolis

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2007Publisher:Elsevier BV
    Authors: Claudio M. Costa-Neto; Pedro Luiz Rosalen; Ingridy Simone Ribeiro Cabral; M. Ikegaki; +4 Authors

    doi: 10.1016/j.jep.2007.06.005

    pmid: 17656055

    Propolis has been used as a medicinal agent to treat infections and promote wound healing for centuries. The aim of the present study was to test the antimicrobial, antioxidant, and cytotoxic activities of a new type of Brazilian propolis, popularly called red propolis, as well as to analyze its chemical composition. The antimicrobial activity against Staphylococcus aureus ATCC 25923 and Staphylococcus mutans UA159 was evaluated and the chloroform fraction (Chlo-fr) was the most active with lower MIC ranging from 25 to 50 microg/ml. The hexane fraction (H-fr), having the highest concentration of total flavonoids, showed the best sequestrating activity for the free radical DPPH. The ethanolic extract of propolis (EEP) showed cytotoxic activity for the HeLa tumor cells with an IC(50) of 7.45 microg/ml. When the EEP was analyzed by GC-MS, seven new compounds were found, among which four were isoflavones. Our results showed that the red propolis has biologically active compounds that had never been reported in other types of Brazilian propolis.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Ethnophar...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of Ethnopharmacology
    Article . 2007 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
    Journal of Ethnopharmacology
    Article . 2007
    Data sources: Europe PubMed Central
    Journal of Ethnopharmacology
    Journal
    Data sources: Microsoft Academic Graph
    Claim

    This Research product is the result of merged Research products in OpenAIRE.

    You have already added works in your ORCID record related to the merged Research product.
    292
    citations292
    popularityTop 1%
    influenceTop 1%
    impulseTop 10%
    BIP!Powered by BIP!
    more_vert
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Ethnophar...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of Ethnopharmacology
      Article . 2007 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
      Journal of Ethnopharmacology
      Article . 2007
      Data sources: Europe PubMed Central
      Journal of Ethnopharmacology
      Journal
      Data sources: Microsoft Academic Graph
      Claim

      This Research product is the result of merged Research products in OpenAIRE.

      You have already added works in your ORCID record related to the merged Research product.

  • Optimized conventional and ultrasound-assisted ethyl transesterification of jatropha (Jatropha curcas) and palm (Elaeis guineensis) oil mixtures

    descriptionPublicationkeyboard_double_arrow_right Article , Journal 2021Publisher:Informa UK Limited
    Authors: Thony Arce Saavedra; Larissa Braga Bueno-Borges; Naiane Sangaletti-Gerhard; Severino Matias de Alencar; +1 Authors

    doi: 10.1080/00986445.2021.1977925

    While biodiesel from jatropha oil is oxidation-sensitive and fluid, palm oil-biodiesel is more stable, but with sub-optimal fluid dynamics. Mixing these oils before reaction could be advantageous f...

    Claim

    This Research product is the result of merged Research products in OpenAIRE.

    You have already added works in your ORCID record related to the merged Research product.
    4
    citations4
    popularityTop 10%
    influenceAverage
    impulseAverage
    BIP!Powered by BIP!
    more_vert
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