Polyphenol-Rich Extracts of Traditional Culinary Spices and Herbs and Their Antibacterial Activity in Minced Beef
Table 3
Extracts’ yield, total phenolic contents, and antioxidant potential of spices.
Spices
Solvent
Extracts yield (%)
TPC (mg GAE/100 g)
DPPH (%)
Onion
MeOH
9.5 ± 1.5a
55.9 ± 3.2bc
54.4 ± 3.8e
EtOH
5.9 ± 0.5bc
36.0 ± 4.6hi
43.1 ± 4.4g
Ginger
MeOH
5.5 ± 1.6bc
70.8 ± 3.3a
75.9 ± 3.9a
EtOH
3.2 ± 0.9ef
54.1 ± 3.4bcd
66.3 ± 5.0bc
Turmeric
MeOH
4.8 ± 0.1cd
51.6 ± 1.6cde
61.4 ± 1.9cd
EtOH
6.2 ± 1.2b
42.7 ± 6.0fgh
46.1 ± 4.0fg
Coriander
MeOH
2.4 ± 0.3f
69.8 ± 1.6a
70.5 ± 2.5ab
EtOH
3.1 ± 0.0ef
49.0 ± 0.5def
51.7 ± 1.6ef
Fennel
MeOH
5.4 ± 0.1bc
46.3 ± 5.2efg
56.2 ± 5.2de
EtOH
4.0 ± 0.0de
34.8 ± 4.7i
41.2 ± 1.2g
Mint
MeOH
3.9 ± 0.1de
59.1 ± 5.7b
62.1 ± 3.2c
EtOH
3.0 ± 0.0ef
40.6 ± 2.9ghi
42.6 ± 1.2g
Mean ± SD; means bearing same letters in a column are statistically nonsignificant at . MeOH = hydromethanolic extracts; EtOH = hydroethanolic extracts; TPC = total phenolic content; DPPH = diphenyl picrylhydrazyl.