Food

#667 What are food additives?

What are food additives? They are things that are added to food to preserve the flavor, or improve the taste, appearance, or other qualities. There are a huge number of food additives and some of them are completely natural. Salt and sugar are both food additives. Humans have been using food additives ever since we

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#612 Why does bread need yeast?

Why does bread need yeast? Bread doesn’t have to have yeast and there are many breads made without it. However, if you want the bread to rise, then it needs yeast. Yeast is a single-celled organism called Saccharomyces cerevisiae. It is a fungus, which means they make their energy by decomposing other things. There are

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#565 Why does beer have alcohol?

Why does beer have alcohol? Because the yeast cells in the beer feed on sugar and produce ethanol. Yeast is an egg-shaped single-celled fungus. There are 1,500 different species of yeast. 1% of all fungal species are yeast. Humans use yeast for several things, but the most common are bread and alcoholic drinks. When yeast

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#521 How are foods frozen?

How are foods frozen? They are dipped in something cold, pressed between cold plates, or exposed to cold air. Once vegetables or fruits are picked, or once meat is butchered, they have to be frozen as quickly as possible. The second these foods are exposed to the air, they start to break down. The faster

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