作者:Toshiyuki NAKAMURA、Noritoshi KITAMOTO、Toshihiko OSAWA、Yoji KATO
DOI:10.1271/bbb.90728
日期:2010.3.23
In a previous study we prepared monoclonal antibody against allyl isothiocyanate (AITC)-modified lysine (Lys), and found that AITC reacted with Lys under physiological conditions in vitro (T. Nakamura et al., Chem. Res. Toxicol., 22, 536-542 (2009)). In the present study, antibodies against benzyl isothiocyanate (ITC), 6-methylsulfinylhexyl ITC and phenethyl ITC modified protein were prepared, and
在先前的研究中,我们制备了针对异硫氰酸烯丙酯(AITC)修饰的赖氨酸(Lys)的单克隆抗体,并发现AITC在体外生理条件下与Lys反应(T. Nakamura等人,Chem。Res。Toxicol。,22, 536-542(2009)。在本研究中,制备了针对异硫氰酸苄酯(ITC),6-甲基亚磺酰基己基ITC和苯乙基ITC修饰蛋白的抗体,并分别获得了单克隆抗体B6C9、6MS3D10和PE3A10。通过使用生物素标记的牛血清白蛋白捕获ITC,将这些抗体用于切碎的Wasabia japonica(芥末)和Carica木瓜(木瓜)种子的食品中ITC检测。使用抗体以剂量依赖的方式确认了芥末和木瓜种子样品中ITC的形成。这些抗体可能适用于鉴定食物来源的ITC。