Figure 3From: Enhancement of antimicrobial activities of whole and sub-fractionated white tea by addition of copper (II) sulphate and vitamin C against Staphylococcus aureus; a mechanistic approach pH measurements of whole and sub-fractionated (< 1000 Da) white tea alone and with added 4.8 mM copper (II) sulphate. (Cu = 4.8 mM copper (II) sulphate, WT = whole white tea, '+' = combination of agents specified, WTF = white tea sub-fraction < 1000 Da. Bars show SEMs).Back to article page