Research Article

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 extractsPhytochemicals
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)

KMW4.52 ± 0.2500.43 ± 0.0150.87 ± 0.0920.04 ± 0.001
KME6.15 ± 0.2554.28 ± 0.3407.74 ± 0.1250.06 ± 0.004
KCW5.53 ± 0.0160.67 ± 0.05520.31 ± 0.0570.06 ± 0.001
KCE13.16 ± 0.3244.79 ± 0.1968.93 ± 0.3380.11 ± 0.00
CMW5.42 ± 0.0540.48 ± 0.00316.38 ± 0.0750.04 ± 0.001
CME16.07 ± 0.3019.66 ± 0.04211.78 ± 0.2110.09 ± 0.026
CCW7.68 ± 0.0710.29 ± 0.00728.33 ± 0.2550.03 ± 0.002
CCE8.97 ± 0.1465.46 ± 0.2917.15 ± 0.1130.06 ± 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 ().