Fig. 4From: A method for tracing the six geographical indication (GI) jujube species by crude polysaccharide characterizationFT-IR spectra of crude polysaccharides in six GI jujube species. The red line: ZBP, black line: ZJP, olive green line: ZTP, green line: ZHP, blue line: ZYP and purple line: ZMPBack to article page