The issue is more complex than people think. I will give you an American example. If you buy oranges at your supermarket, and then you throw away the peel, this is often considered food waste. Paradoxically, the best way to fight waste in that case would be to buy orange juice, because in big processing operations they convert peels into livestock feed.
At the same time, if people were eating more frozen or processed food, there would likely be less food waste, but this is not the way our food retail system has evolved. People want to—