Mulberry polysaccharide JS-MP-1 was defined as a rhamnogalacturonan type I (RG I) polymer.
JS-MP-1 carries arabinan and arabinogalactan (AG II) side chains.
JS-MP-1 dose-dependently reduces the viability of 3T3-L1 pre-adipocyte cells.
JS-MP-1 induces mitochondrial dysfunction and apoptosis in pre-adipocyte cells.
JS-MP-1 has in vitro anti-obesity effects via inhibition of adipocyte proliferation.