Ruojin Liu

May 31, 2024 | mdpi.com | Ruojin Liu |Ling Ma |Xiangyu Meng |Shuwei Zhang

1. IntroductionJujubes (Ziziphus jujuba Mill.) are native to China, where they have been cultivated for more than 4000 years [1]. Fresh jujube is not particularly juicy, but the taste is delicious, the appearance is slippery and crisp, and the pulp is sweet but not greasy [2]. It is one of the most popular high-end fresh fruits born from deciduous fruit trees in northern China [3].