water can not preserve food it attracts mold
Salt is used to preserve food along with adding taste.
Sugar.
Before cultivated sugar from sugar cane or sugar beet, honey was the only source of sugar for sweetening food and drink. Honey has also been used for many hundreds of years as a wound dressing, and it does have anti-bacterial properties.
Salt was the only thing they had to preserve food.
Hypertonic environment.
Both sugar and salt can preserve equally well and have been used as preservatives since bygone days. Salt is better used to preserve meat while sugar would do well as a preservative for fruits.
Examples: salt (sodium chloride), vinegar, sugar.
by spiting on it
The best ways to preserve food are to: Freeze the food Boiling or blanch food at high temperatures Use alcohol, acid, and salt and sugar in high concentrations Exclude air Remove moisture
The addition of salt or sugar reduces the water that is available so that spoilage organisms won't grow.
Preserving space food was a difficult decision earlier. It is easy now as food is frozen first.
water can not preserve food it attracts mold
go look in the textbook and find out ;) !
Common preservatives used at home include salt, vinegar, and citrus juice.
diabites
Water