③ Caviar and other roe production
1. The world "caviar" refers only to the riddled and cured roe of the sturgeon
2. It been used to describe similarly treated roe of other, less expensive, fish species
3. Less expensive caviar is made from the eggs of several fishes: cod, catfish, herring, capelin,
lumpfish, some freshwater species
4. The eggs are immediately washed with cold water; salted with dry, fine salt, 3-5% of the egg
weight, brined for 8-18 min in saturated brine at egg/brine ratio of 1:3 drained; and packed
in cans or jars
5. The ridding process is a somewhat laborous task
6. Difficult to release the roe particles from the supportive connective tissue of the roe sac without
destroying a large amount of the roe (yield is low as 50%)
7. Proteases are sued to release salmon roe from the connective tissue
8. Several enzymes
⑴ Cold-active Atlantic cod pepsin
⑵ New Zealand orange roughly acid protease
9. Fish pepsin apparently split the linkages between the egg cells and the roe sack without damaging
the eggs
③ Caviar and other roe production 1. The world "caviar" refers only to the riddled and cured roe of the sturgeon 2. It been used to describe similarly treated roe of other, less expensive, fish species 3. Less expensive caviar is made from the eggs of several fishes: cod, catfish, herring, capelin, lumpfish, some freshwater species 4. The eggs are immediately washed with cold water; salted with dry, fine salt, 3-5% of the egg weight, brined for 8-18 min in saturated brine at egg/brine ratio of 1:3 drained; and packed in cans or jars 5. The ridding process is a somewhat laborous task 6. Difficult to release the roe particles from the supportive connective tissue of the roe sac without destroying a large amount of the roe (yield is low as 50%) 7. Proteases are sued to release salmon roe from the connective tissue 8. Several enzymes ⑴ Cold-active Atlantic cod pepsin ⑵ New Zealand orange roughly acid protease 9. Fish pepsin apparently split the linkages between the egg cells and the roe sack without damaging the eggs
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