The natural dye sorghum red was extracted from sorghum and tested for dyeing cotton by orthogonal and single-factor expts. with direct, pre-mordant and post-mordant dyeing methods.

• 摘要先对高粱红天然染料进行提取，然后通过正交试验及单因素试验对棉织物进行了直接染色、预媒法染色、后媒法媒染染色试验。