Table 3 Amount of acrylamide and recovery rates in tea products.

From: Occurrence of acrylamide carcinogen in Arabic coffee Qahwa, coffee and tea from Saudi Arabian market

Sample

Type

Country of origin

Acrylamide (μg kg−1) ± SD

Recovery rates (%)

Sample 1

Black, Loose

84 ± 4

91

Sample 2

Black, Loose

Spain

73 ± 3

89

Sample 3

Black Fine, Loose

97 ± 6

92

Sample 4

Black, Loose

72 ± 3

88

Sample 5

Black, Loose

78 ± 4

90

Sample 6

Black, Loose

80 ± 5

88

Sample 7

Black, Loose

68 ± 3

91

Sample 8

Black, Bag

82 ± 4

92

Sample 9

Black, Bag

Kenya

74 ± 4

90

Sample 10

Black, Bag

UK

79 ± 4

92

Sample 11

Natural Green

18 ± 2

91

Sample 12

Green

23 ± 2

89

Sample 13

Pure Green

10 ± 1

90

Sample 14

Black, Bag

Sri Lanka

79 ± 4

91

Sample 15

Green

Sri Lanka

11 ± 1

90

Sample 16

Black, Loose

Kenya

74 ± 3

91

Sample 17

Black, Bag

 

72 ± 3

91

Sample 18

Earl Grey, Bag

UK

35 ± 2

88

Sample 19

Black, Bag

81 ± 4

91

Sample 20

Black, Bag

Sri Lanka

78 ± 4

92

Sample 21

Black, Bag

62 ± 3

92

Sample 22

Black, Bag

 

85 ± 4

89

  1. —not described on label; SD = standard deviation; UK = United Kingdom.