The results of the recovery rate and the relative standard deviations
of the measured samples are listed in Table 1. Hippophae
rhamnoides was analyzed via the commercial Biacore assay and only
0.08 lg/100 g were found. The recovery of vitamin B12 with the
optimized method from liver (veal) was 89%, the recovery from
Hippophae rhamnoides 84%, the recovery from the vitamin B12 tablet
was 80% and the blank samples showed 100% recovery