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Table 3 Samples in each vertical slice and the content of six anthraquinone glycosides in rhubarb (mg/g)

From: Evaluation of the content variation of anthraquinone glycosides in rhubarb by UPLC-PDA

  Altitude range (m) Sample number AE8G R8G E1G C1G C8G E8G Total
Slice 1 3900–3360 DH-05,08,09,20,21 13.53±3.10 9.07±2.19 3.74±1.64 10.83±4.07 16.58±17.52 8.10±6.91 61.85±17.79
Slice 2 3360–2820 DH-03,11,18,19,25 8.92±4.24 11.86±4.42 3.06±1.98 9.54±6.50 7.87±3.92 7.45±3.94 48.69±19.73
Slice 3 2820–2280 DH-01,02,03,07,12,13,16,17,22,24,26, 6.79±4.40 7.29±4.47 1.97±1.17 5.33±1.86 6.65±4.73 3.89±3.29 31.93±15.89
Slice 4 2280–1740 DH-06,15,27 3.13±2.33 7.11±4.90 0.79±0.86 2.94±1.24 5.74±1.24 2.01±2.42 21.72±12.57
Slice 5 1740–1200 DH-10,14.23 3.36±2.93 3.91±3.10 0.58±1.00 2.47±2.39 2.68±2.32 1.49±1.89 14.49±11.98