The phrase "based foods" refers to foods that are made primarily from a specific ingredient or source. It means that the food product is derived from or centered around a particular substance. Full definition
Most paleo authors value and promote the inclusion of lots of plant based foods in the diet. (paleoforwomen.com)
If you want to have a healthy heart, body and mind, start eating more plant based foods in your diet. (educating-earthlings.com)
If you want optimal results in terms of muscle gain you have to be a bit more educated in nutrition than someone who is relying in part upon animal based foods for proteins. (iheartvegetables.com)