| Popis: |
We investigated the contents of nitrate in health foods, vegetables, baby foods and crude drugs by HPLC. Nitrate was detected from all the products. The nitrate contents of products was as follow: supplements containing vegetables or herbs (n=14), 292～5,151μg/g; powdered vegetable juice (n=14), 404～11,860μg/g; health foods containing ginseng (n=10), 56～1,253μg/g; vegetables (n=8), 604～6,238μg/g; vegetable baby foods (n=6), 118～1,421μg/g; ginseng crude drugs (n=3), 372～2,142μg/g. The nitrate level is high in some powdered vegetable juices. |
