日本一家公司利用山榆菜的有效成分，研制成一种能防止细菌和霉菌在食品上繁殖的新材料——烯丙基异硫氰酸酯。但它是一种易挥发的不稳定物质，不适宜加工，因而该公司成功地用环状低聚糖包裹这种物质，使其稳定化，然后制成抗菌性粉末，再加工成食品包装容器或薄膜、薄板。当 A Japanese company uses the active ingredients of Ulmus to develop a new allyl isothiocyanate that prevents bacteria and molds from multiplying on food. But it is a volatile, volatile material that is not suitable for processing, so the company succeeded in encapsulating the substance with cyclic oligosaccharides, stabilizing it and then making it into an antimicrobial powder that can be processed into a food packaging container Or film, sheet. when