| 摘要 |
A method of manufacturing natural seasonings is provided to prepare natural seasonings with characteristic flavor and taste and functionality of pearl oyster muscle and utilizes pearl oyster muscle which is hitherto been discarded. Natural seasonings are prepared by the steps of: mixing pearl oyster muscle extract(Brix 20deg.), 0.4M glucose, 0.4M glycine and 0.4M cystine in a weight ratio of 4:2:1:1 and reacting at 120 to 150deg.C for 140 to 150min while maintaining a pH of 6.9 to 7.6; and additionally adding oyster concentrates thereto. The pearl oyster muscle extract is obtained by the steps of: mixing pearl oyster muscle with 2 to 3 times the weight of water; blanching at 90 to 100deg.C for 3 to 10min; adding Alcalase thereto and heating at 50 to 60deg.C for 3 to 5hr while stirring; heating at 90 to 100deg.C for 3 to 10min to deactivate the Alcalase; adding exopeptidase and hydrolyzing at 40 to 50deg.C for 3 to 5hr while stirring; heating at 90 to 100deg.C for 3 to 10min to deactivate the exopeptidase; and separating the residue, centrifuging and concentrating. |
