竹荪菌盖提取物对鱼糜保鲜效果的研究

AbstractIn this paper,the extract of dictyophora indusiata was extracted by ethyl acetatemethod,and the fresh-keeping effect of the extract on grass Carp Surimi wasstudied.Under the condition of4C cold storage,it was determined for 11 days,every2 days,the total bacterial count,volatile base nitrogen (TVB-N)and malondialdehyde(MDA)were used as quality indexes to evaluate the effect of different amount ofdictyophora indusiata pileus extract on the quality of grass carp surimi.The results areas follows:(1)Compared with the blank control group,the total bacterial count,TVB-N and MDA of the test group with the extract of dictyophora indusiata weresignificantly decreased (p <0.05),which showed that the extract of dictyophoraindusiata had significant fresh-keeping.(2)Compared with the positive controlgroup,the best addition of dictyophora indusiata pileus extract was 2 mg/g.Key words:Extract of dictyophora indusiata pileus;Minced fish to keep fresh;Total number of colony;Volatile base nitrogen;Malondialdehyde