Regular Glass Jars Are Suitable for All Packs and Are

Q10: Historically,the first mechanical ammonia refrigeration system was

Q11: _ freezing occurs with the use of

Q12: No other form of food preservation currently

Q13: In rapid freezing,a large number of small

Q14: For most foods,refrigeration extends the shelf life

Q15: Freezing food makes the texture of a

Q17: Blanching _ enzymes in vegetables.<br>A)activates<br>B)inactivates<br>C)slows down<br>D)speeds up

Q18: Refrigeration is not good for every food.

Q19: _ during freezer storage produces freezer burn.<br>A)Moisture

Q20: Enzymes in fruits can cause _.<br>A)flavor changes<br>B)compaction