1 Products: Shrimp sauce white - gourd sauce, chilli oil.

2 The mutagen precursors in shrimp sauce were extracted with isopropyl alcohol and acetone. Crude extracts No. 5 and No. 6 had obtained.

3 Products: White gourd sauce, shrimp sauce , vegetable and fruit juice, vinegar, Jincan cooking oil.

4 Acetes Chiensis was hydrolyzed by alkalic protease, and shrimp sauce was produced with disinfecting and packing.

5 The Acetes Chiensis was hydrolyzed by alkalic protease, and shrimp sauce was produced with disinfecting and packing.

6 At present main products are Frozen krill, shrimp meal, shrimp sauce and so on.

7 The mutagenicities of these extracts after nitrosation were about 5 times higher than that of the original shrimp sauce.