Citas bibligráficas
Ríos, K., Riquez, I. (2007). Determinación del recuento microbiano de productos derivados de la maca (Lepidium meyenii W.) utilizando placas petrifilm y su comparación con el método convencional [Tesis, Universidad Nacional Mayor de San Marcos]. https://hdl.handle.net/20.500.12672/1095
Ríos, K., Riquez, I. Determinación del recuento microbiano de productos derivados de la maca (Lepidium meyenii W.) utilizando placas petrifilm y su comparación con el método convencional [Tesis]. PE: Universidad Nacional Mayor de San Marcos; 2007. https://hdl.handle.net/20.500.12672/1095
@misc{renati/488303,
title = "Determinación del recuento microbiano de productos derivados de la maca (Lepidium meyenii W.) utilizando placas petrifilm y su comparación con el método convencional",
author = "Riquez Alvaro, Ivonne Katty",
publisher = "Universidad Nacional Mayor de San Marcos",
year = "2007"
}
-- The objetive of the present work is about comparison between microbian recuent on derivades maca products: the Petrifilm plates count method and conventional method described en Official monography from Europe Pharmacopeia 2005 5th Edition and the aplicable determination of petrifilm plates like alternative method. Was realized a study about 40 samples of derivated maca products which were adquired at differents places located in the downtown, regression test of log10 and recuent of aerobios by conventional methods versus log10 recuent of the Petrifilm plates count which has been gotten a correlation of 0.99946 between those methods and the regression analysis to recuent yeast and moold which was got a correlation of 0.98681 between those methods. The gotten results conclude that mot exist significative differences between each other used methods, about microbiologics limits given by the OMS was found 85% of the evaluated samples didn´t do with permisibles limits to microbian recuents. Also Petrifilm plates offer us some advantages of the easy way, costs reduced, time and staffs increasing laboral productivity which was used. On the other hand it could be considered as alternative method in order to microbian recuent from maca derivated products.
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