On the contrast with the Γ max values, there can be no doubt that the A min value showed a decreasing trend from 33.67 Å 2 ( 5a , n = 6) to 25.01 Å 2 ( 5e , n = 10) with increasing the alkyl chain length, which was just similar to the changing trend of the CMC value.
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The sentences
The obtained p C 20 values showed an increasing trend with increasing the alkyl chain length, which indicated that decyl dioxyethyl α - D -xyloside ( 5e ) had the highest adsorption efficiency, and the related tendency to adsorb at the air-water interface was the greatest.