树皮新鲜程度对黑荆树栲胶颜色的影响

EFFECTS OF THE BARK FRESHNESS ON THE COLOR OF BLACK WATTLE EXTRACT

利用新鲜树皮能够改善黑荆树栲胶的颜色 ,树皮越新鲜 ,生产出来的栲胶颜色越浅。通过脱色处理 。

The color of the black wattle extract became lighter through using the fresh bark.Furthermore the decolored extract meeting abroad standards can be given out by a decoloring treatment.