Tsuji Sumiko, Nakano Maki, Furukawa Mizuki, Nakamura Yumiko, Tonogai Yasuhide
Kokuritsu Iyakuhin Shokuhin Eisei Kenkyusho Hokoku. 2003(121):51-3.
There were 157 official inspections of tar colors and their lakes in fiscal year 2002, and all of their samples were qualified. Total production amount of tar colors that passed inspection in Japan in fiscal year 2002 reached 113.6 tons. Tar color production amounts were described by month and by manufacturer. The food tar color produced in the largest amount was Food Yellow No. 4, accounting for 42.5% during this period.
2002财年对焦油色素及其色淀进行了157次官方检查，所有样品均合格。2002财年日本通过检查的焦油色素总产量达113.6吨。焦油色素产量按月份和制造商进行了说明。产量最大的食用焦油色素是食用黄色4号，在此期间占42.5%。
