The Book of Household Management by Mrs. Beeton

properly introduced in this place. Every housewife knows that dry salt in contact with fresh meat gradually becomes fluid brine. The application of salt causes the fibres of the meat to contract, and the juice to flow out from its pores: as much as one-third of the juice of the meat is often forced out in this manner. Now, as this juice is pure extract of meat, containing albumen, osmazome, and other valuable principles, it follows that meat which has been preserved by the action of salt can never have the nutritive properties of fresh meat.