plant-based       
adjective uk/ˈplɑːntˌbeɪst/ us/ˈplæntˌbeɪst/
 仅有蔬菜的;仅用植物的
consisting or made entirely of plants, or mainly of plants
  I eat a predominantly plant-based diet. 我的饮食以蔬菜为主。 
 The British favour natural plant-based beauty products.  英国人偏爱天然植物美容产品。 
 - More examples
 - Ethanol, a plant-based fuel, runs in gasoline engines.
 - Our best health insurance is eating a wide variety of plant-based foods.
 - Plant-based products are popular with people who have sensitive skin.