Taken dry grass carp produced under good hygienic condition and rice powder as main material,and mixed sugar,salt,chilli powder,red pigment from Monascus,perilla powder,etc. as subsidiary material,the quality differences between the IF(20 ℃) and NF Zha fish are studied in the 50 days fermentation,while several indexes such as quantity of main microbes, titratable acid(TA) content, free amino acids(FAA) content, peptides content, volatile base nitrogen(TVB-N) content,peroxide value(POV),and sensory quality are employed to assess the i...