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煲汤的时间越长营养价值就越高吗
更新时间: 2020-11-17 00:00:00  

煲汤的时间越长营养价值并非就越高。煲汤的时间适度加长,有助于将营养物质释放到汤中,但是如果时间过长,会使一些不耐热的营养物质被破坏,那么汤的营养价值就会开始递减了。

煲汤的做法是:先把原料洗净,入锅后一次加足冷水,用旺火煮沸,再改用小火,持续20分钟,撇沫,加姜和料酒等调料,待水再沸后用中火保持沸腾3-4小时,使原料里的蛋白质更多地溶解,浓汤呈乳白色,冷却后能凝固即可。

关键词: 时间 营养 价值

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