Table 3.
Results of correlation analyses of biological activities and phytochemical contents.

Sample Parameters Relationship r2
Aloe vera leaf AGEs (% inhibition) vs. Total phenolics contents (%, v/v) Weak correlation 0.464
AGEs (% inhibition) vs. Total flavonoids contents (%, v/v) Average correlation 0.620
AGEs (% inhibition) vs. DPPH radical scavenging (%) Average correlation 0.615
AGEs (% inhibition) vs.TBA-RS (%) Weak correlation 0.069
Aloe arborescens leaf AGEs (% inhibition) vs. Total phenolics contents (%, v/v) Average correlation 0.647
AGEs (% inhibition) vs. Total flavonoids contents (%, v/v) Average correlation 0.709
AGEs (% inhibition) vs. DPPH radical scavenging (%) Good correlation 0.946
AGEs (% inhibition) vs.TBA-RS (%) Good correlation 0.965
Aloe vera callus AGEs (% inhibition) vs. Total phenolics contents (%, v/v) Average correlation 0.762
AGEs (% inhibition) vs. Total flavonoids contents (%, v/v) Good correlation 0.815
AGEs (% inhibition) vs. DPPH radical scavenging (%) Average correlation 0.792
AGEs (% inhibition) vs.TBA-RS (%) Average correlation 0.653
Portulaca oleracea AGEs (% inhibition) vs. Total phenolics contents (%, v/v) Average correlation 0.753
AGEs (% inhibition) vs. Total flavonoids contents (%, v/v) Average correlation 0.745
AGEs (% inhibition) vs. DPPH radical scavenging (%) Weak correlation 0.295
AGEs (% inhibition) vs.TBA-RS (%) Weak correlation 0.230
CBH AGEs (% inhibition) vs. Total phenolics contents (%, v/v) Average correlation 0.648
AGEs (% inhibition) vs. Total flavonoids contents (%, v/v) Average correlation 0.654
AGEs (% inhibition) vs. DPPH radical scavenging (%) Average correlation 0.629
AGEs (% inhibition) vs.TBA-RS (%) Weak correlation 0.269
r < 0.6 : weak correlation
0.6 < r ≤ 0.8 : average correlation
r > 0.8 : good correlation