Lactic Acid Production from Potato Peel Waste, Spent Coffee Grounds and Almond Shells with Undefined Mixed Cultures Isolated from Coffee Mucilage from Coatepec Mexico

Andrés Bretón-Toral^1,2, Sergio R Trejo-Estrada² and Armando G. McDonald^1*

¹Renewable Materials Program, Department of Forest, Rangeland and Fire Sciences, University of Idaho, Moscow, USA

²Center for Research in Applied Technology at the National Politechnic Institute, Tepetitla, Tlaxcala, Mexico