BGS                                        Extraction by shaker                H2O                EtOH Aquous EtOH (80%) BGS-1 27.01 bc 22.37 cc 32.28ac BGS-2 23.10bc 21.25cb 26.94ac                                       Extraction by reflux BGS-1 38.04 ab 28.32 b 36.42 bb BGS-2 29.11 bb 22.19 cb 31.27 ab                                      Extraction by ultrasound BGS-1 44.02 ba 32.71 ca 46.35 aa BGS-2 39.19 ba 27.29 ca 40.21 aa Values (mean ± SD) are average of three samples of each BGS sample, analyzed individually in triplicate (n = 1x3 x 3), (P < 0.05); DW= dry weight; Superscript letters within the same row indicate significant (P< 0.05) differences of means within the extracting solvent; Subscript letters within the same column indicate significant (P< 0.05) differences of means among the extracting technique.

Table 6: Effects of solvent/technique on the extract yield (g/100 g of DW) of BGS.