Use of food wastes for the production of lactic silage

Brazilian Archives of Biology and Technology

Ricardo Murray Martínez¹  Pedro Cerezal Mezquita¹  Paulina Bermúdez¹  Richard Bugueño Muñoz¹ 

[1] ,Universidad de Antofagasta Facultad de Recursos Del Mar Departamento de AlimentosAntofagasta,Chile

关键词: food waste;    lactic silage;    lactic fermentation;    institutional feeding;   

DOI  :  10.1590/S1516-89132012000100015

来源: SciELO

【 摘 要 】

The goal of the present work was to produce lactic silage from food wastes. A factorial 2³ experimental design was applied using the following factors and levels: yogurt inoculum concentration (1 and 15%), sucrose (2 and 15%) and temperature (22 and 35 ºC) and as response variable, the soluble nitrogen content (SNC) at the end of the fermentation was considered. The best SNC output was for the treatment with 1 % of inoculum, 2 % of sucrose and temperature of 22ºC. The increase of SNC with regards to its initial content, from 0.17 % to 1.67 % for protein contents (PC) < 5 % corresponded to 882 % and from 0.65 % to 2.36 % for PC > 5 % represented 263 %. It was possible to produce a lactic silage and keep it stable for up to 30 days, which was enough storage time before being sent to a drying process for future use in animal feeding or compost.

【 授权许可】

CC BY-NC   
 All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License