Defatted cashew nut shell starch as renewable polymeric material: Isolation and characterization

► Starch attracts public attention as renewable material due to its biodegradability. ► Defatted cashew nut shell starch was purified by using wet-milling process. ► High crystallinity was observed in defatted cashew nut shell starch. ► Bonded resins were detected in defatted cashew nut shell starch. ► Defatted cashew nut shell starch shows potential as a renewable polymeric material.