Functional and nutritional properties of rambutan (Nephelium lappaceum L.) seed and its industrial application: A review

•Rambutan seed is a good source of protein (7.8–12.4%), fat (33.4–39.13%) and fibre (11.6%).•Palmitic, stearic, oleic and arachidic acids are the major fatty acids of rambutan seed fat.•Rambutan seed powders are used as local medicine (contain antidiabetic compounds) in Malaysia.•The seed has antibacterial and antifungal activities.•Rambutan seed has great potential for use in the food, pharmaceutical and cosmetic industries.