Gac (Momordica cochinchinensis Spreng) fruit: A functional food and medicinal resource

•Gac fruit is a tropical vine originating from South and Southeast Asia.•Gac fruit has a very high nutritional content, containing high levels of carotenoid.•Gac seeds contain triterpenoids and saponins which exhibit anticancer abilities.•Drying, extraction of oil and bioactives are main ways of processing of Gac fruit.