“…Therefore, the preservation of the native properties of berries and fruits and the development of confiture with the addition of pectin on their basis is an urgent task. Due to their complexforming, gel-forming, emulsifying properties, pectins are used in the production of confectionery, canned goods, medical preparations, in bakery, and therapeutic and preventive nutrition (Donchenko, 2000;Belousova, Donchenko, 2019).…”