If this interested you, then you might also be interested in water glass, or sodium silicate [1]. It is still used today by some sailboat crews to keep fresh eg

If this interested you, then you might also be interested in water glass, or sodium silicate [1]. It is still used today by some sailboat crews to keep fresh eggs on board without refrigeration for up to five months, without resorting to powdered eggs. [1] https://en.wikipedia.org/wiki/Sodium_silicate#Food_preservation https://en.wikipedia.org/wiki/Sodium_silicate#Food_preservat...