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Table 1 Detailed Information of all sampling sites and the content of six anthraquinone glycosides in rhubarb (mg/g) (n=3)

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

Sample Location Longitude Latitude Altitude (m) AE8G R8G E1G C1G C8G E8G Total Mean ± SD
R. tanguticum             
DH01 Maoxian, Sichuan 103.5449 32.16389 2808 10.63 tr 1.99 7.32 13.42 5.19 38.55 46.21 ± 19.25
DH02 Datong, Qinghai 103.6258 32.77226 2771 2.30 7.98 1.29 3.39 3.15 0.50 18.61
DH03 Songpan, Sichuan 101.561 37.15853 3080 10.98 16.63 2.23 5.73 13.91 10.00 59.48
DH04 Aba, Sichuan 102.2242 33.61313 2621 11.97 7.40 3.08 8.48 8.73 3.29 42.95
DH05 Maqu, Gansu 101.8336 36.62261 3440 12.22 9.84 3.82 9.15 11.37 11.11 57.51
DH06 Aba, Sichuan 101.8336 34.62262 2235 5.82 12.44 1.71 4.19 7.17 4.69 36.02
DH07 Xining,Qinghai 101.6145 34.73594 2492 5.83 9.26 3.46 5.95 3.18 2.28 29.96
DH08 Henan, Qinghai 103.1498 36.96756 3534 14.73 7.36 2.38 8.48 13.55 1.92 48.42
DH09 Xunhuan, Qinghai 99.71639 27.8248 3659 11.94 6.26 1.82 15.46 46.99 1.92 84.39
R. officinale             
DH10 Mianyang, Sichuan 104.505 31.72728 1295 tr 2.39 tr tr tr tr 2.39 26.30 ± 22.98
DH11 Yulong, Yunan 99.46139 27.19084 2553 3.92 5.20 1.14 3.82 1.87 1.65 17.60
DH12 Songpan, Sichuan 102.0491 33.9737 2621 5.08 7.06 0.98 3.75 3.68 0.42 20.97
DH13 Chengdu, Sichuan 103.5372 30.98669 1574 4.71 7.48 1.73 4.76 4.05 3.61 26.34
DH14 Kangding, Sichuan 97.17954 29.95119 3110 9.00 16.02 4.73 15.97 7.40 11.07 64.19
R. palmatum             
DH15 Dangchang, Gansu 104.2187 34.23639 2243 1.84 6.07 0.66 1.72 5.08 1.33 16.70 35.54 ± 22.22
DH16 Dangchang, Gansu 104.9304 33.96551 2476 2.23 2.73 0.45 3.13 5.27 1.07 14.88
DH17 Tianzhu, Gansu 102.9986 37.31148 2413 3.13 4.65 1.20 5.21 2.15 6.73 23.07
DH18 Zeku, Qinghai 102.7261 35.61356 2946 2.21 6.17 tr 2.75 2.99 0.95 15.07
DH19 Shangri-la , Yunan 102.7132 35.64171 3288 13.67 9.85 3.69 6.23 6.95 7.32 47.71
DH20 Changdu, Tibet 97.17953 31.14529 3388 10.42 11.60 5.24 6.26 2.20 7.20 42.92
DH21 Kangding, Sichuan 101.9349 29.95033 3854 18.33 10.27 5.46 14.79 8.81 18.33 75.99
DH22 Minxian, Gansu 104.037 34.43876 2318 16.01 15.59 4.10 7.51 15.95 9.81 68.97
DH23 Dangchang, Gansu 104.6847 33.95438 1728 2.33 1.87 tr 2.66 3.98 0.86 11.70
DH24 Huzhu, Qinghai 102.9587 36.84461 2534 6.42 6.67 1.41 6.05 9.64 3.08 33.27
DH25 Kangding, Sichuan 103.5449 32.16389 3110 8.72 10.62 4.63 17.03 8.10 7.90 57.00
DH26 Tianzhu, Gansu 103.8949 31.6955 2593 7.15 13.70 2.59 4.07 6.14 8.72 42.37
DH27 Lixian, Gansu 103.6258 32.77226 1895 1.74 2.81 tr 2.91 4.97 tr 12.43
  1. tr: below the LOQ.