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Table 2 Effect of storage temperature on antioxidant capacity of yoghurt

From: Impact of post fermentation cooling patterns on fatty acid profile, lipid oxidation and antioxidant features of cow and buffalo milk set yoghurt

Cooling Pattern

Days

Cow Milk Yoghurt

Buffalo Milk Yoghurt

DPPH%

RP

TAC%

DPPH%

RP

TAC%

T1

0

26.4 ± 0.22c

8.11 ± 0.34d

39.8 ± 0.83d

32.3 ± 0.63a

13.1 ± 0.39b

59.4 ± 0.94a

10

25.3 ± 0.15c

7.61 ± 0.13d

38.9 ± 0.57d

31.6 ± 0.48b

11.2 ± 0.73b

57.3 ± 1.29b

20

21.5 ± 0.36e

3.22 ± 0.16e

28.1 ± 0.33f

24.2 ± 0.61c

8.51 ± 0.24c

48.6 ± 0.44d

T2

0

28.1 ± 0.22c

8.65 ± 0.34c

41.9 ± 0.83d

34.2 ± 0.63a

13.8 ± 0.39a

60.9 ± 0.94a

10

28.1 ± 0.17c

8.63 ± 0.14c

42.1 ± 0.77d

33.7 ± 0.48a

13.9 ± 0.16a

60.1 ± 0.72a

20

22.2 ± 0.15d

7.51 ± 0.12d

38.8 ± 0.68e

31.8 ± 0.55b

11.8 ± 0.21b

56.3 ± 1.12c

T3

0

28.4 ± 0.22c

8.71 ± 0.34c

42.6 ± 0.83d

34.5 ± 0.63a

14.2 ± 0.39a

61.4 ± 0.94a

10

28.2 ± 0.19c

8.65 ± 0.04c

42.4 ± 0.54d

34.2 ± 0.47a

14.1 ± 0.28a

60.9 ± 1.19a

20

26.1 ± 0.33d

7.56 ± 0.08d

40.1 ± 0.38e

32.8 ± 0.26b

12.8 ± 0.45b

58.5 ± 0.84b

  1. Within the two columns of a parameter, means expressed by same letter are statistically non-significant (p > 0.05)
  2. DPPH 2,2-diphenyl-1-picrylhydrazyl, RP Reducing Power, TAC Total Antioxidant Capacity
  3. Detail of Treatments
  4. T1: Cow and buffalo yoghurt cooled from 43 °C to 25 °C in 1 h and finally cooled to 4-5 °C in another 1 h
  5. T2: Cow and buffalo yoghurt cooled from 43 °C to 18 °C in 1 h and finally cooled to 4-5 °C in another 1 h
  6. T3: Cow and buffalo yoghurt were cooled from 43 °C to 5 °C in 2 h