Sample

TPC (mg GAE/g dw) summer

Mean ± SD

TPC (mg GAE/g dw) winter

Mean ± SD

ST1

70.85

69.94

71.76

70.85 ± 0.91

59.66

50.19

48.98

52.94 ± 5.84

ST2

70.62

72.06

71.46

71.38 ± 0.722

60.41

61.77

52.77

58.32 ± 4.85

ST3

71.3

70.85

69.94

70.7 ± 0.69

56.25

59.12

61.77

59.05 ± 2.76

ST4

64.72

54.89

61.54

60.38 ± 5.02

49.36

51.40

52.99

51.25 ± 1.82

ST5

49.82

51.1

49.97

50.29 ± 0.70

37.03

42.55

44.22

41.27 ± 3.76

ST6

42.48

44.29

50.04

45.60 ± 3.95

31.73

38.32

36.95

35.67 ± 3.47

ST7

38.77

42.48

40.06

40.43 ± 1.88

28.71

21.14

27.57

25.81 ± 4.08

LSD (p < 0.05)

5.85

9.05

Correlation coefficient r (p < 0.05)

0.96

0.894