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Table 2 Analytical characteristics of compounds in rose waste. (mg/mL)

From: Determination of the volatile and polyphenol constituents and the antimicrobial, antioxidant, and tyrosinase inhibitory activities of the bioactive compounds from the by-product of Rosa rugosa Thunb. var. plena Regal tea

Peak Ginsenoside Retention time Calibration curve R2 RFCS
1 hyperoside 16.981 y = 14,955x-5214 0.9989 0.18 ± 0.01
2 kaempferol-3-O-rutinoside 17.737 y = 7102x + 3256 0.9984 0.12 ± 0.01
3 rutin 19.01 y = 41,285x-43,792 0.9979 0.23 ± 0.01
4 luteolin 22.01 y = 31,527x-5241 0.9991 n.d
  total phenolic content     0.31 ± 0.01
  total flavonoid content     0.43 ± 0.01
  total solid content     1.45 ± 0.04
  1. nd not detected; Data are expressed as mean ± standard deviation of triplicate samples; RFCS rose flower cell sap