The results show that the condensation degree of dissolved lignin is relative higher and the increase of conjugateddoublebond is mainly proceeded at the early stage of cooking.
结果表明，溶出木质素的缩聚程度较高，其共轭双键的增加主要发生在蒸煮前期。
2
C_(60) is one kind of fullerene with high conjugated cage-types structure. Its covalence between two hexagons has high reactivity, which behaves as addition reaction of doublebond.