Fig. 12
From: A biological cleaning agent for removing mold stains from paper artifacts
Biosurfactants on paper the influence of a deacidification, anti-acidification, b anti-aging and reinforcement abilities. #Compared with the blank group difference, *compared with acidification or aging group difference, #P < 0.05, ##P < 0.01, ###P < 0.001, *in the same way
