Lub benzopyrene nyob rau hauv txoj kev extraction ntawm marigold nyob rau hauv Xinjiang thiab Tuam Tshoj raug kuaj los ntawm gel permeation chromatography thiab kev ua siab ua kua kua chromatography. Cov txiaj ntsim tau pom tias ntau cov kev sib txawv ntawm marigold thiab marigold extracts muaj ntau theem ntawm benzopyrene (1.67-94.9μg / kg) kev ua qias, thiab txhua yam ntawm cov khoom siv hauv kev ua muaj benzopyrene rau ntau theem, kev xav ntawm kev tsim cov txheej txheem. Raw cov khoom paug yuav tsum yog qhov tseem ceeb ntawm benzopyrene hauv marigold extract. Nyob rau hauv cov khoom los tswj cov pa phem ntawm benzopyrene nyob rau hauv cov khoom, thawj qhov khoom yog ntxiv dag zog rau kev tswj ntawm raw cov ntaub ntawv, thiab fundamentally, qhov kev tiv thaiv ib puag ncig yuav tsum tau ntxiv zog.