钠包括味精，小苏打，氢氧化钠（Prezel表层），不会增咸

https://www.apexsk.com/blogs/japan-lifestyle/how-much-sodium-is-in-ramen-will-you-feel-guilty-when-eating-ramen-again#:~:text=Ramen%20soup%20has%204%20grams,has%205.8%20grams%20of%20sodium.