[Inter-laboratory validation studies of biological method for determination of streptomycin in royal jelly].
Inter-laboratory validation studies were conducted in 6 laboratories to validate the biological method for determination of streptomycin in royal jelly. Streptomycin spiked at the level of 0.2 and 1.0 ppm was analyzed. Mean recoveries were 89 and 96%, reproducibility relative standard deviations (RSD(R)) were 15.0 and 14.0%, HORRAT(R) values were 0.7 and 0.9. Samples containing residues at the levels of 0.25 and 0.80 ppm were analyzed. Mean recoveries were 113 and 99%, RSD(R) were 15.0 and 10.4%, and HORRAT(R) values were 0.8 and 0.6. The determination limit was 0.1 ppm. These results show that this method has good performance.
Fujita
Kazuhiro
K
Japan Food Research Laboratories Nagoya Branch, 4-5-13, Osu, Naka-ku, Nagoya 460-0011, Japan.
Akita
Keiko
K
Yamaguchi
Takahiro
T
Yoneyama
Satoshi
S
Sengoku
Kiyoki
K
Sumiya
Yoshimichi
Y
Watanabe
Megumi
M
Mizutani
Yuri
Y
Ohdaira
Hizuru
H
Hirose
Tsuguo
T
D000900:Anti-Bacterial Agents / Q000032:analysis*; D001681:Biological Assay / Q000379:methods*; D004350:Drug Residues / Q000032:analysis*; D005227:Fatty Acids / Q000032:analysis*; D005504:Food Analysis / Q000379:methods*; D005506:Food Contamination / Q000032:analysis*; D007753:Laboratories; D013307:Streptomycin / Q000032:analysis*; D000099219:Royal Jelly
D000900:Anti-Bacterial Agents; D005227:Fatty Acids; D013307:Streptomycin; D000099219:Royal Jelly