OBJECTIVE:To investigate the anti-mutation effect of the extracts of pinecones.METHODS:The anti-mutation effect of extracts of pinecones was measured by micronucleus test,with different doses of pinecones alkaline extract solution(50、250 and 500 mg/kg) as samples,cyclophosphamide as the positive group.RESULTS:The mice marrow cells MN rate of high,middle and low doses of extract solution plus cyclophosphamide treatment groups:16‰±0.58‰,34.75‰±0.85‰ and 40.25‰±0.48‰,respectively.Compared with physiological sa...