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Table 1 Responses experimental factor level table

From: High-yield production of secoisolariciresinol diglucoside from flaxseed hull by extraction with alcoholic ammonium hydroxide and chromatography on microporous resin

Name

Units

Low

High

RAM concentration

%

20(−1)

40(1)

Time

h

4(−1)

6(1)

Temperature

°C

60(−1)

80(1)

  1. RAM: the reagent ammonium hydroxide solution that contains 25–28% NH3 in water.