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      La ingesta diaria de la cepa Shirota (LcS) de Lactobacillus Casei mediante la bebida Yakult reduce la incidencia de infecciones del tracto respiratorio superior

      - Estudio de Yakult Trial en Loughborough University, Reino Unido -


      News provided by

      Yakult Honsha Co., Ltd.

      Jan 07, 2011, 12:00 ET

      Share this article

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      TOKIO, 7 de enero de 2011 /PRNewswire/ -- Los resultados de un estudio reciente del profesor Michael Gleeson, de Loughborough University, en el Reino Unido, han demostrado un claro beneficio para la salud para los atletas que bebieron la bebida láctea fermentada de venta comercial Yakult, que contiene la exclusiva cepa probiótica LcS. Los atletas eran miembros del personal y estudiantes de la universidad que participaban regularmente en entrenamiento deportivo intensivo, como ciclismo, triatlón, carrera de media distancia o natación.

      Los resultados confirmaron que el consumo diario de Yakult resultaba efectivo para reducir la incidencia de resfríos comunes (es decir, infecciones del tracto respiratorio superior, ITRSs) en los atletas. En investigaciones anteriores se ha demostrado que los atletas, como grupo, son susceptibles a las infecciones debido a una depresión de su sistema inmunológico.

      El estudio fue descrito en su totalidad y publicado en línea en la publicación científica con referato International Journal of Sport Nutrition & Exercise Metabolism.

      [Resumen]

      El estudio a doble ciego se llevó a cabo con 84 atletas de "endurance". Los sujetos fueron divididos en 2 grupos: 42 recibieron Yakult (6.5 x 10 (9) = 10 elevado a la novena potencia = células vivas de la cepa probiótica LcS en cada botella), y 42 recibieron un placebo. Después de que los sujetos hubieran consumido la bebida administrada dos veces por día durante 16 semanas, se examinó el efecto sobre la incidencia de infecciones del tracto respiratorio superior y los parámetros inmunológicos.

      El resumen de los resultados es el siguiente:

      1. Incidencia de ITRS (conocidas comúnmente como resfrío común)

      El porcentaje de sujetos del grupo de Yakult que experimentaron una o más semanas con síntomas de ITRS fue del 66%, significativamente inferior a la del grupo de placebo (90%).

      2. Efecto sobre los parámetros inmunológicos

      La concentración de IgA en saliva (1), que puede verse reducida por deportes exigentes prolongados, fue mayor en el grupo de Yakult que en el grupo de placebo.

      3. Análisis

      Sobre la base de estos resultados, los investigadores concluyeron que el consumo diario de bebida láctea fermentada con LcS disminuye la incidencia de ITRSs en los atletas que participan en deportes exigentes prolongados. La cantidad de anticuerpos sIgA se mantuvo en una condición optima, lo que puede considerarse como uno de los factores para el efecto.

      *La bebida placebo no contenía LcS. El sabor y el color del placebo y Yakult eran similares. Al comparar los efectos de la ingesta de ambas bebidas, se puede medir científicamente la eficacia de Yakult.

      (1) sIgA es un anticuerpo presente en la saliva y en la mucosidad de las vías aéreas, y juega un papel crucial para prevenir las infecciones virales.

      [Comentario del Prof. Michael Gleeson, de Loughborough University]

      El Prof. Michael Gleeson (de Bioquímica del Ejercicio de la Escuela de Ciencias de la Salud, el deporte y el Ejercicio), quien condujo el estudio en Loughborough University, comentó: "Hay relativamente poca evidencia de la eficacia de los denominados inmunoestimulantes dietarios sobre la población atlética, pero este estudio sugiere que un producto probiótico puede ayudar a reducir el riesgo de infección. Los atletas detestan la idea de pescarse resfríos, ya que afecciones leves pueden afectarles el entrenamiento y el rendimiento, o incluso impedirles competir".

      [Comentarios del Dr. Haruji Sawada, director del Yakult Central Institute for Microbiological Research (YCIMR)]

      Yakult Honsha Co., Ltd. Participó en este estudio como patrocinador, aportando financiación y muestras para las pruebas.

      El Dr. Haruji Sawada del YCIMR comentó: "Es un valioso resultado que el consume diario de nuestro producto, Yakult, haya demostrado contribuir al mantenimiento de una buena condición del tracto respiratorio superior en deportistas sanos. Este estudio ha producido información importante que constituye evidencia adicional de los beneficios inmunológicos asociados con el consumo de Yakult".


      Contacto:

      [Consultas sobre este estudio]

      Hannah Baldwin

      Directora de relaciones Públicas

      Marketing y Comunicaciones

      Loughborough University

      www.lboro.ac.uk

      [email protected]

      Tel: +44-1509-222239

      Fax: +44-7971-163522


      [Consultas sobre Yakult]

      Isamu Sasaoka

      Departamento de RRPP

      Yakult Honsha Co., Ltd.

      Tel: +81-3-3574-8920 (Japonés)

      E-mail: [email protected]   (Japonés e inglés)


      Takuro Mori,  Gary Lo

      Departamento de Ventas

      HONG KONG YAKULT CO., LTD.

      Tel: +852-2342-7111

      E-mail: [email protected]


      Kazunari Maruhashi

      Departamento de Ventas

      Yakult (Thailand) Co., Ltd.

      Tel: +66-2-619-8008

      E-mail: [email protected]


      Juvy Ann N. Aquino

      Sección de Marketing y Promoción

      YAKULT PHILIPPINES, INC.

      Tel: +63-2-521-1722

      E-mail: [email protected]


      Kuek Kok Ti

      Departamento de RRP y Publicidad

      YAKULT (SINGAPUR) PTE., LTD.

      Tel: +65-6756-1033

      E-mail: [email protected]


      Dinah Woon

      Departamento de  RRPP

      YAKULT AUSTRALIA PTY. LTD.

      Tel: +61-3-9238-4700

      E-mail: [email protected]


      Mazlyn Mena binti Mustapha

      Departamento de RRPP y Ciencia

      YAKULT (MALASIA) SDN. BHD.

      Tel: +60-3-5569-8960

      E-mail: [email protected]


      Shefali Sapra

      Comunicaciones Corporativas

      YAKULT DANONE INDIA PRIVATE LIMTED

      Tel: +91-11-4062-6262

      E-mail: [email protected]


      Yasumi Kimura

      Departamento de I&D

      YAKULT S/A IND. E. COM.

      Tel: +55-11-5584-4700

      E-mail: [email protected]


      Liu Zhifeng

      Departamento de RRPP

      Yakult (China) Corporation

      Tel: +86-21-50108358, ext.131

      E-mail: [email protected]


      Chen Baiduan

      Departamento de RRPP.

      YAKULT CO., LTD.

      Tel: +886-2-2505-4325

      E-mail: [email protected]





      FUENTE  Yakult Honsha Co., Ltd.

      FUENTE Yakult Honsha Co., Ltd.

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