Cd2+Àº Àΰ£À» ºñ·ÔÇÑ µ¿¹°¿¡°Ô °¡Àå Çطοî Á߱ݼÓÀ¸·Î ¾Ë·ÁÁ³°í (Chaudri et al. 1995), ½Ä¹°Àº Cd2+ÀÇ ³óµµ°¡ ³ôÀ»¼ö·Ï ½Ä¹°Ã¼ÀÇ Áö»óºÎ, ÁöÇϺΠ¹× Àüü ½Ä¹°ÀÇ »ý»ê·®ÀÇ °¨¼Ò¿Í ³«È°¡ ÃËÁøµÇ¾ú´Ù(Kim 1982; Kim & Park 1992; Page et al. 1972). Kim (1992)Àº »ç¸£ºñ¾Æ, ¸Çµå¶ó¹Ì, ä¼ÛÈ, µ¹³ª¹° (Sedum saramentosum Bunge)Àº Cd2+ 1000 ppm¿¡¼ ÀüüÀûÀ¸·Î ¾à 67% ÀÌ»óÀÇ »ýÀå ¾ïÁ¦¸¦ °üÂûÇÏ¿´´Ù. Cd2+À» ºñ·ÔÇÑ ´Ù¸¥ Áß±Ý¼Ó ¹× ¿ÀÁ¸, ÀÌ»êÈȲÀ» ºñ·ÔÇÑ È¯°æ¿À¿°¿øÀº ½Ä¹°ÀÇ ±¤ÇÕ¼º ±âÀÛ ¹× »ýÀåÀ» ¾ïÁ¦ÇÏ°í ³ëȸ¦ ÃËÁøÇÏ´Â °ÍÀÌ °øÅëÀûÀΠƯ¼ºÀÌ´Ù (Willmer 1983).
½Ä¹°Àº Á߱ݼӿ¡ ´ëÇØ ÀúÇ×¼ºÀ» °¡Áö´Â °ÍÀ¸·Î ¾Ë·ÁÁ³´Ù. ½Ä¹°¿¡¼ ÇÕ¼ºµÇ´Â (¥ã-Glu-Cys)nGly, ¿©±â¿¡¼ n=2¢¦11ÀÎ ±¸Á¶ÀÇ Phytochyletins (PCs)ÀÌ Cd2+ ÀúÇ×¼º°ú °ü·ÃµÇ¾î ÀÖ´Â °ÍÀ¸·Î ¾Ë·ÁÁ³´Ù (Rauser 1990; Steffens 1990). ½Ä¹°ÀÌ Cd2+¸¦ Æ÷ÇÔÇÏ´Â Á߱ݼӿ¡ ³ëÃâµÇ¸é PCsÀÇ ³óµµ°¡ Áõ°¡ÇÏ¿© Áß±Ý¼Ó ³»¼ºÀ» º¸Àδ٠(Maitai et al. 1996; Rauser 1990). Yun et al. (1997)Àº Canavalia lineata À¯½Ä¹°¿¡ Cd2+¸¦ ó¸®ÇßÀ» ¶§ »Ñ¸®¿¡¼ PCsÀÇ Áö¼ÓÀûÀÎ Áõ°¡¸¦ °üÂûÇß´Ù. ´ëºÎºÐÀÇ PCsÀÇ ½Ç¡¦(»ý·«)
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