提青

提青提青
  1. 结果表明,用丙酮、石油醚和乙醇作溶剂浸提樟树籽,青籽的得油率为270%~310%,紫籽的得油率为070%~093%;

    The results showed that taking acetone , petroleum ether and ethanol as solvents in extraction , camphor wood oil percent of green seeds was 2 70 % - 3 10 % , and percent of mature seeds . 0 70 % - 0 93 % ;