Homemade chutneys can be preserved by using vinegar or lemon juice, sterilizing containers, adding salt and sugar, cooking well, incorporating mustard or fenugreek seeds, layering with oil ...

Natural preservatives derive from a natural source such as plants. Sugar, salt, and citric acid made ... for more than 0.02 percent of the fat and oil in food,” she says.e60dc2a1-f33c ...

The worst offenders — ultraprocessed foods filled with preservatives and added sugar — have been ... injected with salt, or rubbed with oil until they're about to be eaten.