Generally with salt or smoke. Many foods were known by their salted name (salted pork, salted herrings etc. However prior to this and for some years after, smoking food was a popular and neccessary alternative. Hams, sausages, bacon, fish to name a few. Meat safes were also popular, this worked on the cooling by evaporation concept. Put your meat into a 'cage' wrap it with wet cloth (muslin or calico) and allow evaporation to cool the air in and around the meatsafe. Other meatsafes were buried in the ground (lower ambient temperature.) Fruits and vegetables could be preserved by cooking and bottled of sugaring and bottling. At one time, ice packed in straw was used and a new invention of the day called an 'icebox' was starting to get about. I recall in my youth when we could only have fresh fruits or vegetables 'in season'. Today, we can get most F&R year round. Next time you go camping (proper out in the bush or outback camping) see what you can do about keeping your supplies as fresh as possible. Choose your foodstuffs carefully and have a bit of an experiment. It really puts our Grandparents and parents domestuc lives into perspective.
Yes there were those that hunted for food in the 1900s.
He preserved food by pasteurization .
All fruits and vegetables can be preserved by canning.
food preservation is a preserved food
In 1960 people preserved food by freezing it. Food was also preserved by home canning or pickling methods and storage.
Food is preserved by curing with salt, smoking, pickling, drying, or canning.
It spoils.
Food freshness and vitamin content can be preserved by chemicals.
Yes, preserved foods may be nutritious and useful; and frequently they are inevitable.
Water.
Eat fresh food, avoid preserved food
In some instances the to words can be used without much change in meaning. The insect was fossilized in amber. The insect was preserved in amber. But in most cases they should not be used interchangeably because there is a difference. The food was preserved in a can. The food was fossilized in a can. I don't know about you but I'd take my can food preserved and not fossilized.