Physicochemical and rheological properties of gelling pectin from Sosnowskyi's hogweed (Heracleum sosnowskyi) obtained using different pretreatment conditions
Low methoxyl pectin is obtained from fresh, air-dried and frozen hogweed raw materials. Type of the raw material slightly affects molecular parameters of hogweed pectin. Decrease of the treatment solution pH improves yield and chemical characteristics of the pectin. Calcium addition (R∼0.6) to hogweed pectin generates a true gel-like structure.