80% of arecoline can be extracted from the areca nut with a purity(w)of 95%.

• 实验结果表明；槟榔鲜果烘干至50%25质量后；槟榔碱质量分数减少53%25；槟榔碱的提取率为80%25左右；槟榔碱纯度为95%25(w).