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烟草花叶病毒与丙酰紫草素结合而失活，用萃取法除去化合物后可使病毒粒子恢复侵染力，并且其沉降系数及光谱特性并不改变。
Tobacco mosaic virus combined with propionate shikonin inactivation, removal of compounds by extraction method to restore virulence after infection, and its sedimentation coefficient and spectral properties does not change.