“…Figure 2 summarizes the process of literature search, identification, and screening, based on the PRISMA flow chart. Of these 14 papers, 4 investigated pullulan [ 22 , 23 , 24 , 25 ], 7 investigated xanthan gum [ 26 , 27 , 28 , 29 , 30 , 31 , 32 ] and three investigated dextran [ 33 , 34 , 35 ].…”