Antioxidant Properties of Popular Turmeric (Curcuma longa) Varieties from Bangladesh
Table 3
Concentrations of total polyphenols, flavonoids, tannins, and ascorbic acid of the turmeric varieties (mura and chora) collected from Khulna and Chittagong divisions.
Turmeric extracts
Phytochemicals
Polyphenols (g GAE/100 g of sample)
Flavonoids (g CE/100 g of sample)
Tannin (g TE/100 g of sample)
Ascorbic acid (mg AE/100 g of sample)
KMW
4.52 ± 0.250
0.43 ± 0.015
0.87 ± 0.092
0.04 ± 0.001
KME
6.15 ± 0.255
4.28 ± 0.340
7.74 ± 0.125
0.06 ± 0.004
KCW
5.53 ± 0.016
0.67 ± 0.055
20.31 ± 0.057
0.06 ± 0.001
KCE
13.16 ± 0.324
4.79 ± 0.196
8.93 ± 0.338
0.11 ± 0.00
CMW
5.42 ± 0.054
0.48 ± 0.003
16.38 ± 0.075
0.04 ± 0.001
CME
16.07 ± 0.301
9.66 ± 0.042
11.78 ± 0.211
0.09 ± 0.026
CCW
7.68 ± 0.071
0.29 ± 0.007
28.33 ± 0.255
0.03 ± 0.002
CCE
8.97 ± 0.146
5.46 ± 0.291
7.15 ± 0.113
0.06 ± 0.002
Data are expressed as the mean ± SD. Different letters (a, b, c, d, e, f, g, and h) in each column indicate a significant difference ().