Original sentence: Like most phenols, THBQ is acidic and easily loses the four H+ ions from the hydroxyl groups yielding the anion C6O64−.The calcium salt of this anion, Ca2C6O6, is the dark purple pigment produced from inositol by Chromohalobacter beijerinckii in the fermentation of salt beans, already noted by T
Edited sentence: Like most phenols, THBQ is acidic and easily loses the four H+ ions from the hydroxyl groups, yielding anions such as C6H2O62− and C6O64−.Reaction of this salt with hydrocloric acid affords THBQ in good yield.The calcium salt Ca2C6O6 is the dark purple pigment produced from inositol by Chromohalobacter beijerinckii in the fermentation of salt beans, already noted by T