Relation of the Nutritive Ingredients and Selenium Content in Different Growth Period of Cardamine violifolia

In this article,the content of nutritive ingredient and selenium in different growth period of Cardamine violifolia were studied,and also their relation was analyzed.The results were as follows: the content of soluble protein,soluble saccharides,amino acid and selenium were 6.31 mg/g,0.57%,13.42 mg/100?g and 200.34 μg/g,respectively.The nutritive ingredient and selenium represented same current that they all enhanced first and then decreased during growth period.The maximum content of soluble protein,soluble saccharides and selenium was appeared during the peduncle growth,and the richest content of amino acid was appeared during the period from peduncle growth to flowering.The change of selenium was accorded with soluble protein and soluble saccharides.