Fig. 3

Effects of HpEVs on cell growth and single cell pigment content of H. pluvialis. a Effects of HpEVs on growth of H. pluvialis. b Effects of HpEVs on single cell chlorophyll-a content of H. pluvialis. c Effects of HpEVs on single cell chlorophyll-b content of H. pluvialis. d Effects of HpEVs on single cell carotenoids content of H. pluvialis. For all figures, error bars indicate standard deviation of triplicate measurements (*p < 0.05. **p < 0.01; one-way analysis of variance)