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Table 3 Polyphenol intakes in curcumin group and placebo group

From: The effect of curcumin supplementation on anthropometric indices, insulin resistance and oxidative stress in patients with type 2 diabetes: a randomized, double-blind clinical trial

Factor Group Basline 10 week P value
P* P**
Total polyphenol (mg/d) Curcumin 1970 ± 485 1978 ± 458 NS NS
Placebo 1896 ± 483 1901 ± 445
Flavonoids (mg/d) Curcumin 1753 ± 420 1760 ± 420 NS NS
Placebo 1687 ± 389 1692 ± 415
Phenolic acid (mg/d) Curcumin 158 ± 46 158 ± 42 NS NS
Placebo 152 ± 51 152 ± 48
Lignin, Stilbene and Curcumin 59 ± 11 59 ± 13 NS NS
other polyphenols (mg/d) Placebo 57 ± 13 57 ± 11
  1. NS: Not significant
  2. P*: p values are for comparison variables in one group (P: 0.05)
  3. P**: p values are for comparison variables between tow group (P: 0.05)