a decreasing trendP < 0.001
1 C, after BBP, the water, 50 % ethanol, and 75 % ethanol leachate contents of PR showed a decreasing trend, with a significant decrease in 50 % ethanol leachate content ( P < 0.001).
1 C, after BBP, the water, 50 % ethanol, and 75 % ethanol leachate contents of PR showed a decreasing trend, with a significant decrease in 50 % ethanol leachate content ( P < 0.001).