Two Types of New Natural Materials for Fruit Vinegar in Prunus Plants Han Zhao, Xiaoxing Zhou, Ying Luo, Yanli Huang, Tana Wuyun, Fangdong Li and Gaopu Zhu MATEC Web Conf., 100 (2017) 04006 Published online: 08 March 2017 DOI: 10.1051/matecconf/201710004006