Yandi Boy

Biological Food Preservation is a food preservation technique that adds microorganisms to food, to help food last longer. This food preservation process consists of three ways: 1. Bacterial Fermentation 2. Using Yeast / Fermentation 3. Enzyme Fermentation

 The process of preserving food at low temperatures can be done in two ways:  1. Cooling 2. Freezing Both methods are used to inhibit the growth of microorganisms in food. so that the food does not go bad or spoil. This preservation process is carried out at a temperature of d. -20°C to +10°C.