Kombucha - Organic Acids and Caffeine

Sample

Acetic Acid

Glycolic Acid

Formic Acid

Oxalic Acid

Caffeine

pH

Loose Leaf Pu-Erh (TC)

3330

2190

35

0.5

55

3.0

Pu-Erh #135 (TC)

3150

722

23

2.9

102

2.8

Clipper Chinese Green (CC)

3630

445

191

12

130

3.0

Kombucha Manna (BF)

2360

129

109

10

65

3.2

Tibetan Mushroom (Z)

9443

2111

<10

56

194

2.8

Pu-Erh #135 (Z)

8100

1790

<10

55

188

2.8

(TP)

2215

88

273

20

59

3.4

Twinings Earl Grey (CA)

3150

696

68

12

69

2.8

Concentration units are milligrams per liter. Grower's initials are in parenthesis.

 

Anion exchange, anion exclusion and reversed phase chromatographies were used to quantify the acid components of Kombucha.

Email Zephyr

Go to Zephyr's Tea-Caffeine Table