뽕나무 부위별 성분 및 생리활성

Chemical Composition and Physiological Activity of Mulberry Plant Parts

This study was conducted to determine content of chemical composition and physiological activity from the different plant parts of mulberry (c.v. ‘Gwasang No. 2’) for the production of the high value-added and health functional materials. The content of vitamin C in the leaves was 55.3mgㆍ100g⁻¹. And the content of crude protein was high in the order of leaves (25.4%), root (12.3%) and branch (8.9%). Total free amino acids detected in mulberry plants showed high values in the order of roots (26.27mgㆍg⁻¹), branches (21.95mgㆍg⁻¹) and leaves (16.22mgㆍg⁻¹). At 1,000mgㆍL⁻¹ ethanol extract, the content of total phenolics and flavonoids was the highest in roots by 51.0mgㆍL⁻¹ and 42.3mgㆍL⁻¹, respectively. DPPH radical scavenging activity in 1,000mgㆍL- hot water extract was the highest in leaves(69.3%) and followed by root (68.9%) and branch (50.2%). Nitrite scavenging ability of 1,000mgㆍL⁻¹ ethanol extracts from leaves, branches and roots was 61.8%, 54.5% and 42.2%, respectively. The results showed that chemical composition and their physiological activity depend on extraction method and plant part of mulberry (c.v. ‘Gwasang No. 2’).