Food staples such as wine and sugar may come from plants, but what you get at the store isn't always 100% plant-based.

This mixture is left for around 30 minutes before a vegetarian rennet is added. The rennet causes the milk to separate into curds and whey. The curds are collected and placed into moulds.

Cheese: some cheese is made with animal rennet, an enzyme extracted from the stomach lining of calves. Vegetarian cheese can be made using plant-based, microbial or fungal enzymes. Both hard and ...