The results show that there are three freezing stages by slow freezing, but the three freezing stages are not obvious by liquid nitrogen flashfreezer.
结果表明：对黑牛肝菌进行缓慢冻结时，出现了明显的冻结三阶段现象，而在液氮速冻时此三阶段不明显；
2
The results show that there are obvious three freezing stages by slow freezing, but the three freezing stages are not obvious by liquid nitrogen flashfreezer.
结果表明对白灵菇进行缓慢冻结时，有明显的冻结三阶段现象出现，而在液氮速冻时此三阶段不明显；
3
The cantharellus cibarius freezing technics was studied through analyzing the freezing curve at different temperature, freezing speed and juice leakage by liquid nitrogen flashfreezer.