“…It has been cultivated in Lingwu city for more than 1300 years, and is recognized as the best fresh jujube variety. The fruit is rich in nutrients, especially the highest content of vitamin C. ( Dai et al, 2017 ; Han et al, 2019 ). It has high medicinal value, and has been used as a traditional folk medicine for more than 4000 years, e.g., it plays an important role in anti-oxidation, anti-allergic, anti-inflammatory, anti-cancer, anti-obesity, and gastrointestinal protection, etc ( Xu et al, 2020 ; Rashwan et al, 2020 ; Feng et al, 2019 ).…”