Cd bio-accumulative characteristics and physiological response of Solanum nigrum L. under different light intensities Isolation, Purification and Identification of Polysaccharides from Black Nightshade (Solanum nigrum)(Ⅱ) Material basis of cytotoxicity in polysaccharide from Solanum nigrum Effect of Solanum nigrum total alkaloid on sialic acid and blocking degree of tumor cell membrane in H_(22) tumor-bearing mice Material basis of cytotoxicity in polysaccharide from Solanum nigrum Effect of Solanum nigrum alkaloid on membrane fluidity and membrane protein level of tumor cells in H22 tumor-bearing mice Steroidal glycosides from Solanum nigrum Effect of Solanum nigrum total alkaloid on sialic acid and blocking degree of erythrocyte membrane in S180 mice Phylogenetic and mutation point analysis of DNA barcoding sequences in Solanum nigrum Growth and Heavy Metal Accumulation in Solanum nigrum L. Seedlings with Cd-Zn Complex Pollution