Longzhong brand and Kongming cuisine are authentic. Longzhong Brand and Kongmingcai are famous kohlrabi brands with a long history in Xiangyang, and they are more authentic because they adopt the most authentic methods. Xiangyang kohlrabi is a special product in Xiangzhou District, Xiangfan City, Hubei Province, and a landmark product in chinese national geography. Like mustard tuber, kohlrabi is also a variant of mustard tuber.