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. Author manuscript; available in PMC: 2011 Nov 3.
Published in final edited form as: J AOAC Int. 2007 Jan-Feb;90(1):68–81.

Table 11.

Octopamine repeatability results

Materiala nb Result, μg/g SDc, μg/g RSD, % PRSDd, % HorRat
A 20 268 307 100 6.87 15
B 20 542 116 21 6.18 3.5
C 20 1436 388 27 5.34 5.0
D 20 4887 1780 38 4.44 8.6
E 20 266 143 48 6.88 7.0
F 19 1139 1055 93 5.53 17
a

A = NIST bitter orange fruit powder, B = Nutratech C. aurantium dried fruit, C = NIST bitter orange extract 6% synephrine, D = Nutratech C. aurantium extract 30% synephrine, E = Product A capsules, F = Product B tablets.

b

n = Total number of samples tested.

c

SD = Standard deviation.

d

PRSD = Predicted relative standard deviation.