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WITH FIDO CARS CAN TAKE AND RETAIN VARIOUS PREPARATIONS IN A TRADITIONAL SALT, OIL OR ALCOHOL OR THOSE CONSERVATION METHODS DO NOT NECESSARILY REQUIRE THE SUBSEQUENT BOILING FOR CREATING VACUUM.

OIL CONSERVATION: ONE OF THE MOST POPULAR METHODS IS THE PREPARATION OF FOOD IN OIL. THE ACTION OF OIL IS AN INSULATOR AND PROTECTS THE FOOD FROM THE AIR AND THE ATTACK OF MICROORGANISMS. IF THE JAR IS WELL SEALED AND AIRTIGHT CLOSURE GUARANTEES, FOOD CAN

SALT CONSERVATION: THE ACTION OF THE SALT DEHYDRATES THE CELL TISSUES WITH WHICH IT COMES INTO CONTACT, CREATING AN UNSUITABLE ENVIRONMENT FOR BACTERIAL GROWTH. THE EFFECT IS SIMILAR TO THE REMOVAL OF WATER AND RESULTS IN A PRESERVATIVE ACTION. THE BRINE

CONSERVATION IN VINEGAR: VINEGAR HAS A PH VARYING FROM 2.9 TO 3.3 AND CREATES AN ACIDIC ENVIRONMENT FAVORABLE FOR MICROORGANISMS THAT PREFER A PH BETWEEN 4 AND 9. THIS METHOD IS VERY OLD AND APPLIES TO DIFFERENT FOODS, ESPECIALLY THOSE OF PLANT ORIGIN.

CONSERVATION IN ALCOHOL: THE ALCOHOL ACTS AS AN ANTISEPTIC AND IS USED PRIMARILY TO PRESERVE THE FRUIT, THE MAIN TYPES OF ALCOHOL: RUM, PURE ALCOHOL AND OTHER SPIRITS.