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  Indian J Med Microbiol
 

Figure 3: Results of electronic tongue (a: Location of astringency. b: Standard curve of tannic acid, and partial least square map of samples. c: Fitting curve between concentration of tannic acid and partial least square abscissa space. d: Predicted astringent intensity of samples expressed by tannic acid)

Figure 3: Results of electronic tongue (a: Location of astringency. b: Standard curve of tannic acid, and partial least square map of samples. c: Fitting curve between concentration of tannic acid and partial least square abscissa space. d: Predicted astringent intensity of samples expressed by tannic acid)