Research Article

Application of Spontaneous Photon Emission in the Growth Ages and Varieties Screening of Fresh Chinese Herbal Medicines

Figure 2

The roots of different growth ages of purple flower P. grandiflorum and purple flower S. miltiorrhiza in this study. (a) One-year-old purple flower P. grandiflorum; (b) two-year-old purple flower P. grandiflorum; (c) one-year-old purple flower S. miltiorrhiza; (d) two-year-old purple flower S. miltiorrhiza. means the average diameter of measured samples.
(a)
(b)
(c)
(d)