求高手把下面文字翻译成英文,要求翻译较专业萝卜硫素是目前在蔬菜中发现的抗癌能力最好的活性成分之一,它并不直接存在于蔬菜中,而是在咀嚼或收割的时候由释放出的黑芥子酶酶解得到

求高手把下面文字翻译成英文,要求翻译较专业萝卜硫素是目前在蔬菜中发现的抗癌能力最好的活性成分之一,它并不直接存在于蔬菜中,而是在咀嚼或收割的时候由释放出的黑芥子酶酶解得到
求高手把下面文字翻译成英文,要求翻译较专业
萝卜硫素是目前在蔬菜中发现的抗癌能力最好的活性成分之一,它并不直接存在于蔬菜中,而是在咀嚼或收割的时候由释放出的黑芥子酶酶解得到的一种异硫氰酸酯化合物.它具有广泛的生物活性,如可以诱导产生对身体有益的Ⅱ相酶的活性,抑制Ⅰ相酶的活性,从而有效地预防癌症,除此之外还有较强的光防护作用,近年来癌症发病率越来越高,因此萝卜硫素有广阔的市场前景,越来越引起人们的关注.本文用化学合成法合成萝卜硫素一系列衍生物,开始用1,4-二溴丁烷与邻苯二甲酰亚胺钾盐反应生成烷烃,后与硫代乙酸钾反应生成酯,所得的酯用酸催化水解得到硫醇这一重要中间体,硫醇与不同的溴代物反应生成硫醚,用Gabriel法制得伯胺,伯胺与二硫化碳、甲基磺酰氯反应生成异硫氰酸酯,最后用m-CPBA氧化得到萝卜硫素衍生物,后用MTT法测试抗癌活性.

求高手把下面文字翻译成英文,要求翻译较专业萝卜硫素是目前在蔬菜中发现的抗癌能力最好的活性成分之一,它并不直接存在于蔬菜中,而是在咀嚼或收割的时候由释放出的黑芥子酶酶解得到
Sulforaphane is found in vegetables, anti-cancer ability to one of the best active ingredient, it does not exist in vegetables directly, but rather in chewing or the harvest by the release of myrosinase digestion of a isothiocyanates compounds. It has extensive biological activity, such as can be induced to body good Ⅱ phase enzyme activity, the activity of the enzyme inhibition Ⅰ phase, thus effectively prevent cancer, in addition to strong light protection, and cancer incidence in recent years, more and more high, so the radish sulfur has broad market prospect, more and more aroused people's concern. This paper use chemical synthesis method of synthesis of sulforaphane, a series of derivatives with 1, 4 - dibromobutane with phthalates formyl imine potassium reacts alkanes, after reaction with thioacetic acid potassium generated ester, the ester catalyzed by acid hydrolysis is mercaptan this important intermediates, mercaptan and different bromine generation reaction sulfur ether, by Gabriel, primary amine, primary amine and carbon disulfide, methyl sulfonyl chloride reaction generates isothiocyanates, finally with the m - CPBA oxidation sulforaphane derivatives, antitumor activity by determined by MTT method after testing.