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. 2013 Nov 5;4(5):325–330. doi: 10.1016/j.jpha.2013.10.002

Table 2.

The intra-day and inter-day precisions of three curcuminoids.

Compound Precision (RSD%)
Intra-daya Inter-dayb
Curcumin 1.06 5.79
Demethoxycurcumin 1.87 4.30
Bisdemethoxycurcumin 1.88 5.77
a

n=6.

b

Triple injections for 3 days.