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Table 1 Effect of storage time and temperature on dry matter content, 6-gingerol, 6-shogaol, TPC and TFC in ginger varieties.

From: Changes in antioxidant and antibacterial activities as well as phytochemical constituents associated with ginger storage and polyphenol oxidase activity

 

Storage time (month)/temperature

Dry matter (%)

6-gingerol(mg/g DM)

6-shogaol(mg/g DM)

TPC(mg GA/g DM)

TFC(mg Q/g DM)

Halia Bentong

fresh

38.8 ± 2.48a

1.47 ± 0.132d

1.17 ± 0.04b

11.27 ± 1.236a

3.79 ± 0.176c

4/(5 °C)

37.0 ± 1.69a

1.29 ± 0.127e

0.94 ± 0.06c

10.73 ± 1.327ab

3.58 ± 0.144c

8/(5 °C)

31.0 ± 1.24c

0.61 ± 0.122f

0.62 ± 0.052d

8.21 ± 1.160c

3.11 ± 0.129d

4/(15 °C)

33.0 ± 1.19b

0.38 ± 0.140g

0.44 ± 0.027e

6.45 ± 1.066d

1.76 ± 0.143g

8/(15 °C)

25.0 ± 1.20e

0.30 ± 0.116g

0.20 ± 0.016f

5.02 ± 1.128 e

1.19 ± 0.08h

Halia Bara

fresh

27.2 ± 1.55d

2.73 ± 0.137a

1.55 ± 0.058a

12.76 ± 1.352a

4.28 ± 0.162a

4/(5 °C)

25.2 ± 1.27e

2.70 ± 0.119a

1.52 ± 0.062a

11.62 ± 1.446a

4.0 ± 0.177b

8/(5 °C)

20.6 ± 1.12g

2.21 ± 0.164b

1.16 ± 0.043b

8.70 ± 1.088c

3.2 ± 0.152d

4/(15 °C)

22.7 ± 1.46f

1.79 ± 0.118c

0.88 ± 0.033c

8.00 ± 1.261c

2.46 ± 0.112e

8/(15 °C)

15.1 ± 1.23h

1.26 ± 0.127e

0.67 ± 0.022d

6.80 ± 1.155d

2.1 ± 0.094f

  1. Data are means of triplicate measurements ± standard deviation. Means not sharing a common single letter in each column for each measurement were significantly different at p < 0.05