Lonicera caerulea berry (blue honeysuckle) is a perennial deciduous shrub of the Caprifoliaceae family that is found in the Kamchatka Peninsula (the Russian Far East) (Grobelna et al., 2019). At present, the plant is widely distributed in Russia, Canada, China and Japan. The fruits of the plant are dark blue, fleshy berries that are oval to long in shape (Bao et al., 2019). Previous studies have shown that there are various nutrients, including sugars, organic acids (Lee, Dreves et al., 2015), amino acids, minerals (Boyarskikh et al., 2016), and vitamins, in the fruits. In addition, the berries are a rich source of some active substances, particularly low-molecular-weight phenolic acids, flavonoids and anthocyanins (