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Table 2 Contribution of the main sources of polyphenol content in the diets of university students

From: Dietary profile and phenolics consumption in university students from the Ningxia Hui Autonomous Region of China

Food

Mean intake (g/d)

Polyphenols content (mg/100 g)

Polyphenols contributed by mean intake (mg)

Relative contribution (%)

Apple

109.15

296.3

323.41

22.95

Grape

28.66

201.0

57.61

4.09

Banana

65.03

90.4

58.79

4.17

Pear

87.43

71.0

62.08

4.41

Pineapple

47.16

94.3

44.47

3.16

Broccoli

66.39

101.6

67.45

4.79

Spinach

32.76

91.0

29.81

2.11

Cucumber

91.54

19.5

17.85

1.27

Eggplant

56.61

87.0

49.25

3.49

Tomato

100.87

68.0

68.59

4.87

Potato

142.31

38.0

54.08

3.84

Green tea

42.32

65.8

27.85

1.98

Black tea

37.33

80.5

30.05

2.13

Apple juice

16.37

339.0

55.49

3.93

Orange juice

35.53

755.0

268.25

19.03