Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction
- Autores
- Ulloa, Jerónimo Luis; Sambrotta, Luis Jorge; Redko, Flavia del Carmen; Mazza, Osvaldo Néstor; Garrido, Gustavo; Becher, Edgardo F.; Muschietti, Liliana Victoria
- Año de publicación
- 2014
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- INTRODUCTION: Several cases of adulteration of dietary supplements with tadalafil, sildenafil, and vardenafil, or their unapproved analogues have been reported worldwide. Mainly, the presence of the latter represents a serious health risk to consumers as their efficacy and toxic effects have not been assessed and may result in unpredictable adverse effects. AIM: To investigate the suspected adulteration with synthetic phosphodiesterase type 5 (PDE-5) inhibitors in a dietary supplement marketed in Argentina for the treatment of erectile dysfunction (ED). METHODS: The content of the capsules of the dietary supplement (sample A) was analyzed by thin layer chromatography (TLC) and high-performance liquid chromatography (HPLC) diode-array detection. From the organic extract of sample A, a major compound was purified by column chromatography (CC). The isolated compound was identified by proton nuclear magnetic resonance (1H NMR) and carbon NMR (13C NMR), heteronuclear single quantum coherence, distortionless enhancement by polarization transfer (DEPT 135), electrospray ionization mass spectrometry, and ultraviolet, and infrared (Fourier transform infrared spectroscopy) spectroscopy. MAIN OUTCOME MEASURE: Proof of adulteration of herbal products with synthetic PDE-5 inhibitors. RESULTS: By TLC and HPLC analysis, a major compound was detected in sample A organic extract. The purification of this extract by CC led to the isolation of a pure compound which was identified according to its spectral data as (6R,12aR)-2-amino-6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino [1',2':1,6] pyrido [3,4-b] indole-1,4-dione or aminotadalafil. CONCLUSIONS: An unapproved PDE-5 inhibitor analogue, which was identified as aminotadalafil, has been detected in a dietary supplement. This study represents the first report in Latin America and one of the few independent studies of an adulteration with an unapproved PDE-5 inhibitor of an herbal product for ED treatment.
Fil: Ulloa, Jerónimo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Metabolismo del Fármaco. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Metabolismo del Fármaco; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Farmacología. Cátedra de Farmacognosia; Argentina
Fil: Sambrotta, Luis Jorge. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Laboratorio Nacional de Investigaciones y Servicios; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Redko, Flavia del Carmen. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Farmacología. Cátedra de Farmacognosia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Metabolismo del Fármaco. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Metabolismo del Fármaco; Argentina
Fil: Mazza, Osvaldo Néstor. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
Fil: Garrido, Gustavo. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
Fil: Becher, Edgardo F.. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
Fil: Muschietti, Liliana Victoria. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Farmacología. Cátedra de Farmacognosia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Metabolismo del Fármaco. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Metabolismo del Fármaco; Argentina - Materia
-
Erectile Dysfunction
Dietary Supplements
Pde-5 Inhibitor Analogues
Adulteration Aminotadalafil - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/18432
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Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunctionUlloa, Jerónimo LuisSambrotta, Luis JorgeRedko, Flavia del CarmenMazza, Osvaldo NéstorGarrido, GustavoBecher, Edgardo F.Muschietti, Liliana VictoriaErectile DysfunctionDietary SupplementsPde-5 Inhibitor AnaloguesAdulteration Aminotadalafilhttps://purl.org/becyt/ford/3.3https://purl.org/becyt/ford/3INTRODUCTION: Several cases of adulteration of dietary supplements with tadalafil, sildenafil, and vardenafil, or their unapproved analogues have been reported worldwide. Mainly, the presence of the latter represents a serious health risk to consumers as their efficacy and toxic effects have not been assessed and may result in unpredictable adverse effects. AIM: To investigate the suspected adulteration with synthetic phosphodiesterase type 5 (PDE-5) inhibitors in a dietary supplement marketed in Argentina for the treatment of erectile dysfunction (ED). METHODS: The content of the capsules of the dietary supplement (sample A) was analyzed by thin layer chromatography (TLC) and high-performance liquid chromatography (HPLC) diode-array detection. From the organic extract of sample A, a major compound was purified by column chromatography (CC). The isolated compound was identified by proton nuclear magnetic resonance (1H NMR) and carbon NMR (13C NMR), heteronuclear single quantum coherence, distortionless enhancement by polarization transfer (DEPT 135), electrospray ionization mass spectrometry, and ultraviolet, and infrared (Fourier transform infrared spectroscopy) spectroscopy. MAIN OUTCOME MEASURE: Proof of adulteration of herbal products with synthetic PDE-5 inhibitors. RESULTS: By TLC and HPLC analysis, a major compound was detected in sample A organic extract. The purification of this extract by CC led to the isolation of a pure compound which was identified according to its spectral data as (6R,12aR)-2-amino-6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino [1',2':1,6] pyrido [3,4-b] indole-1,4-dione or aminotadalafil. CONCLUSIONS: An unapproved PDE-5 inhibitor analogue, which was identified as aminotadalafil, has been detected in a dietary supplement. This study represents the first report in Latin America and one of the few independent studies of an adulteration with an unapproved PDE-5 inhibitor of an herbal product for ED treatment.Fil: Ulloa, Jerónimo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Metabolismo del Fármaco. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Metabolismo del Fármaco; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Farmacología. Cátedra de Farmacognosia; ArgentinaFil: Sambrotta, Luis Jorge. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Laboratorio Nacional de Investigaciones y Servicios; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Redko, Flavia del Carmen. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Farmacología. Cátedra de Farmacognosia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Metabolismo del Fármaco. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Metabolismo del Fármaco; ArgentinaFil: Mazza, Osvaldo Néstor. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; ArgentinaFil: Garrido, Gustavo. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; ArgentinaFil: Becher, Edgardo F.. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; ArgentinaFil: Muschietti, Liliana Victoria. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Farmacología. Cátedra de Farmacognosia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Metabolismo del Fármaco. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Metabolismo del Fármaco; ArgentinaElsevier2014-11info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/18432Ulloa, Jerónimo Luis; Sambrotta, Luis Jorge; Redko, Flavia del Carmen; Mazza, Osvaldo Néstor; Garrido, Gustavo; et al.; Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction; Elsevier; Journal of Sexual Medicine; 12; 1; 11-2014; 152-1571743-6095CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1743609515308912?via%3Dihubinfo:eu-repo/semantics/altIdentifier/doi/10.1111/jsm.12759info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:09:48Zoai:ri.conicet.gov.ar:11336/18432instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:09:48.513CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction |
title |
Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction |
spellingShingle |
Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction Ulloa, Jerónimo Luis Erectile Dysfunction Dietary Supplements Pde-5 Inhibitor Analogues Adulteration Aminotadalafil |
title_short |
Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction |
title_full |
Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction |
title_fullStr |
Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction |
title_full_unstemmed |
Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction |
title_sort |
Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction |
dc.creator.none.fl_str_mv |
Ulloa, Jerónimo Luis Sambrotta, Luis Jorge Redko, Flavia del Carmen Mazza, Osvaldo Néstor Garrido, Gustavo Becher, Edgardo F. Muschietti, Liliana Victoria |
author |
Ulloa, Jerónimo Luis |
author_facet |
Ulloa, Jerónimo Luis Sambrotta, Luis Jorge Redko, Flavia del Carmen Mazza, Osvaldo Néstor Garrido, Gustavo Becher, Edgardo F. Muschietti, Liliana Victoria |
author_role |
author |
author2 |
Sambrotta, Luis Jorge Redko, Flavia del Carmen Mazza, Osvaldo Néstor Garrido, Gustavo Becher, Edgardo F. Muschietti, Liliana Victoria |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
Erectile Dysfunction Dietary Supplements Pde-5 Inhibitor Analogues Adulteration Aminotadalafil |
topic |
Erectile Dysfunction Dietary Supplements Pde-5 Inhibitor Analogues Adulteration Aminotadalafil |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/3.3 https://purl.org/becyt/ford/3 |
dc.description.none.fl_txt_mv |
INTRODUCTION: Several cases of adulteration of dietary supplements with tadalafil, sildenafil, and vardenafil, or their unapproved analogues have been reported worldwide. Mainly, the presence of the latter represents a serious health risk to consumers as their efficacy and toxic effects have not been assessed and may result in unpredictable adverse effects. AIM: To investigate the suspected adulteration with synthetic phosphodiesterase type 5 (PDE-5) inhibitors in a dietary supplement marketed in Argentina for the treatment of erectile dysfunction (ED). METHODS: The content of the capsules of the dietary supplement (sample A) was analyzed by thin layer chromatography (TLC) and high-performance liquid chromatography (HPLC) diode-array detection. From the organic extract of sample A, a major compound was purified by column chromatography (CC). The isolated compound was identified by proton nuclear magnetic resonance (1H NMR) and carbon NMR (13C NMR), heteronuclear single quantum coherence, distortionless enhancement by polarization transfer (DEPT 135), electrospray ionization mass spectrometry, and ultraviolet, and infrared (Fourier transform infrared spectroscopy) spectroscopy. MAIN OUTCOME MEASURE: Proof of adulteration of herbal products with synthetic PDE-5 inhibitors. RESULTS: By TLC and HPLC analysis, a major compound was detected in sample A organic extract. The purification of this extract by CC led to the isolation of a pure compound which was identified according to its spectral data as (6R,12aR)-2-amino-6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino [1',2':1,6] pyrido [3,4-b] indole-1,4-dione or aminotadalafil. CONCLUSIONS: An unapproved PDE-5 inhibitor analogue, which was identified as aminotadalafil, has been detected in a dietary supplement. This study represents the first report in Latin America and one of the few independent studies of an adulteration with an unapproved PDE-5 inhibitor of an herbal product for ED treatment. Fil: Ulloa, Jerónimo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Metabolismo del Fármaco. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Metabolismo del Fármaco; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Farmacología. Cátedra de Farmacognosia; Argentina Fil: Sambrotta, Luis Jorge. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Laboratorio Nacional de Investigaciones y Servicios; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Redko, Flavia del Carmen. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Farmacología. Cátedra de Farmacognosia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Metabolismo del Fármaco. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Metabolismo del Fármaco; Argentina Fil: Mazza, Osvaldo Néstor. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina Fil: Garrido, Gustavo. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina Fil: Becher, Edgardo F.. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina Fil: Muschietti, Liliana Victoria. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Farmacología. Cátedra de Farmacognosia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Química y Metabolismo del Fármaco. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Química y Metabolismo del Fármaco; Argentina |
description |
INTRODUCTION: Several cases of adulteration of dietary supplements with tadalafil, sildenafil, and vardenafil, or their unapproved analogues have been reported worldwide. Mainly, the presence of the latter represents a serious health risk to consumers as their efficacy and toxic effects have not been assessed and may result in unpredictable adverse effects. AIM: To investigate the suspected adulteration with synthetic phosphodiesterase type 5 (PDE-5) inhibitors in a dietary supplement marketed in Argentina for the treatment of erectile dysfunction (ED). METHODS: The content of the capsules of the dietary supplement (sample A) was analyzed by thin layer chromatography (TLC) and high-performance liquid chromatography (HPLC) diode-array detection. From the organic extract of sample A, a major compound was purified by column chromatography (CC). The isolated compound was identified by proton nuclear magnetic resonance (1H NMR) and carbon NMR (13C NMR), heteronuclear single quantum coherence, distortionless enhancement by polarization transfer (DEPT 135), electrospray ionization mass spectrometry, and ultraviolet, and infrared (Fourier transform infrared spectroscopy) spectroscopy. MAIN OUTCOME MEASURE: Proof of adulteration of herbal products with synthetic PDE-5 inhibitors. RESULTS: By TLC and HPLC analysis, a major compound was detected in sample A organic extract. The purification of this extract by CC led to the isolation of a pure compound which was identified according to its spectral data as (6R,12aR)-2-amino-6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino [1',2':1,6] pyrido [3,4-b] indole-1,4-dione or aminotadalafil. CONCLUSIONS: An unapproved PDE-5 inhibitor analogue, which was identified as aminotadalafil, has been detected in a dietary supplement. This study represents the first report in Latin America and one of the few independent studies of an adulteration with an unapproved PDE-5 inhibitor of an herbal product for ED treatment. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-11 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/18432 Ulloa, Jerónimo Luis; Sambrotta, Luis Jorge; Redko, Flavia del Carmen; Mazza, Osvaldo Néstor; Garrido, Gustavo; et al.; Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction; Elsevier; Journal of Sexual Medicine; 12; 1; 11-2014; 152-157 1743-6095 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/18432 |
identifier_str_mv |
Ulloa, Jerónimo Luis; Sambrotta, Luis Jorge; Redko, Flavia del Carmen; Mazza, Osvaldo Néstor; Garrido, Gustavo; et al.; Detection of a tadalafil analogue as an adulterant in a dietary supplement for erectile dysfunction; Elsevier; Journal of Sexual Medicine; 12; 1; 11-2014; 152-157 1743-6095 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1743609515308912?via%3Dihub info:eu-repo/semantics/altIdentifier/doi/10.1111/jsm.12759 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
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https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
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application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
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reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842270094513668096 |
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13.13397 |