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Table 3 Health foods with inhibitory activity and residual activity of P450s

From: Effect of health foods on cytochrome P450-mediated drug metabolism

Product classification

Numbera

Product name

Inhibited P450

Relative activity (%)b

CYP1A2

CYP2C9

CYP2C19

CYP2D6

CYP3A4

Vitamin

4/19

Vitamin-4

CYP2C9

73.0

8.6

―

62.8

64.0

Vitamin-11

CYP2C9

95.1

18.1

―

―

65.4

Vitamin-13

CYP2C9

92.4

23.3

―

88.1

65.3

Vitamin-15

CYP1A2, CYP2C9

38.2

7.3

―

62.6

72.6

Glucosamine

2/11

Glucosamine-27

CYP1A2

45.1

83.6

92.4

65.6

56.2

Glucosamine-28

CYP1A2

36.4

70.0

70.2

50.7

53.2

Collagen

3/12

Collagen-29

CYP2C9

96.1

31.8

―

81.4

71.4

Collagen-36

CYP2C9, CYP2D6, CYP3A4

61.4

27.7

69.1

46.2

42.2

Collagen-152

CYP1A2, CYP2C9, CYP2C19, CYP2D6, CYP3A4

26.3

8.0

30.4

35.6

26.6

Mineral

1/14

Mineral-39

CYP2C9

52.3

41.5

―

―

70.1

Plant

1/6

Plant-57

CYP2C9

58.1

28.4

63.6

63.5

98.3

Isoflavone

1/10

Isoflavone-62

CYP1A2, CYP2C9

35.7

8.5

―

97.4

75.0

Diet

6/9

Diet-65

CYP1A2, CYP2C9, CYP2C19, CYP2D6, CYP3A4

22.3

3.8

32.4

34.7

23.9

Diet-66

CYP1A2, CYP2C9, CYP2C19, CYP2D6, CYP3A4

24.2

3.4

20.4

19.7

17.1

Diet-67

CYP2C9

76.5

44.3

―

77.6

55.1

Diet-68

CYP2C9

77.4

46.3

99.1

75.8

55.3

Diet-69

CYP2C9

94.7

48.5

―

68.2

60.0

Diet-70

CYP1A2, CYP2C9, CYP3A4

49.1

19.0

68.4

65.3

40.2

Garlic

1/10

Garlic-160

CYP1A2

45.2

77.3

―

53.4

56.3

Lutein/berry

0/11

―

―

―

―

―

―

―

Aojiru

0/10

―

―

―

―

―

―

―

Amino acid

0/6

―

―

―

―

―

―

―

Chlorella

0/7

―

―

―

―

―

―

―

Lactic acid bacterium

0/5

―

―

―

―

―

―

―

Other

1/3

Other-168

CYP1A2, CYP2C9, CYP2C19, CYP2D6, CYP3A4

7.6

5.3

0.0

20.9

32.5

Oyster

0/3

―

―

―

―

―

―

―

Vinegar

1/6

Vinegar-169

CYP2C9

―

46.4

70.8

83.9

59.6

CoQ10

0/4

―

―

―

―

―

―

―

Turmeric

3/4

Turmeric-124

CYP1A2, CYP2C9, CYP3A4

47.2

49.4

67.6

66.4

30.2

Turmeric-125

CYP1A2, CYP2C9, CYP2C19, CYP2D6, CYP3A4

19.2

5.6

10.2

35.4

25.1

Turmeric-126

CYP1A2

18.3

70.9

85.7

61.8

57.8

DHA

0/3

―

―

―

―

―

―

―

Vitamin/mineral

2/3

Vitamin/mineral-131

CYP1A2, CYP2C9

49.2

7.3

89.6

71.7

59.0

Vitamin/mineral-133

CYP2C9

―

28.4

―

―

71.5

Enzyme

1/1

Enzyme-134

CYP2D6

―

94.6

―

36.6

62.5

Sesamin

3/3

Sesamin-135

CYP2C9, CYP2C19, CYP2D6, CYP3A4

56.8

12.5

25.6

31.5

31.4

Sesamin-136

CYP2C9, CYP2C19, CYP2D6, CYP3A4

58.5

15.7

32.4

43.4

31.0

Sesamin-172

CYP2C9

83.0

49.4

62.8

57.3

51.1

Vegetable

1/3

Vegetable-139

CYP1A2

36.8

86.8

97.4

―

71.5

Royal jelly

0/3

―

―

―

―

―

―

―

Animal

1/1

Animal-143

CYP2C9

88.5

24.6

―

88.6

61.5

Tea

0/1

―

―

―

―

―

―

―

SJW

2/2

SJW-145

CYP1A2, CYP2C9, CYP3A4

26.5

31.3

78.0

57.0

32.5

SJW-146

CYP1A2, CYP2C9, CYP3A4

21.4

22.3

64.3

53.8

29.9

α-Lipoic acid

0/2

―

―

―

―

―

―

―

  1. aNumber of products with inhibitory activity/Number of products examined
  2. bP450s that were not inhibited by products are shown as ―