Variations in the Levels of Mulberroside A, Oxyresveratrol, and Resveratrol in Mulberries in Different Seasons and during Growth

Table 2

Intra- and interday repeatability and recovery of the three major stilbenes in mulberry.

Compound	Repeatability (𝑛=6)				Recovery (𝑛=6)
	Intraday; Mean ± S.D.^a	R.S.D. (%)	Interday; Mean ± S.D.	R.S.D. (%)	Mean; (%)^b	R.S.D.; (%)^c
1	1140.2±12.5	1.1	1138.0±14.8	1.3	103.5	2.4
2	840.3±9.2	1.1	846.4±14.4	1.7	102.4	1.9
3	61.2±0.9	1.5	60.8±1.4	2.3	100.0	2.3

aData were μg constituents per gram drug.
^bCalculated as detected amount/added amount × 100%. Data were means of six experiments.
^cR.S.D. (%) = (S.D./mean) × 100.