High quality bamboo vinegar rich in acetic acid, furfural and ethanol, and with little methanol could be obtained from the acid hydrolysis of xylan separated from Alccll pulping liquor.

• 对分离得到的木聚糖进行酸水解蒸馏可以获得醋酸、糠醛和乙醇含量丰富而甲醇含量很少的优质竹醋。