Palm oil has a lot of negative aspects especially due to cutting down the rainforests to make way for new palm oil plantations.
- Paddison, L., Purt, J., Moulds, J., Balch, O., Riadi, Y., Ifansasti, U. (2014) From rainforest to your cupboard: the real story of palm oil - interactive, 10 November 2014, accessed 15 June 2016 
- Dowell, P., Bailey, A. (1980) The Book of Ingredients, Dorling Kindersley. ISBN 0718119150.