Dataset:  chinese_herbs.csv

Source: H. Liu, N. Qiu, H. Ding, R. Yao (2008). "Polyphenols Contents and
Antioxidant Capacity of 68 Chinese Herbals Suitable for Medical or Food Uses,"
Food Research International, Vol. 41, pp. 363-370.

Description: Means and SDs of 3 samples for each of 68 chinese herbs
in terms of: 
Total Phenolic content (mg GAE/g dw)
Flavonoids content (mg RE/g dw)
FRAP value (Fe(II)mmol/g dw)
DPPH scavenging capacity (%)

Variable names
Herb
TPC_M  /* Mean Total Phenolic content */
TPC_SD /* SD    "        "      "     */
Flav_M
Flav_SD
FRAP_M
FRAP_SD
DPPH_M
DPPH_SD