Which purine base makes up most of this number?

Xanthine — 91 mg of the 142 mg per 100 g total. The rest is adenine 27, guanine 13, hypoxanthine 11.

Tuna, canned

Moderate purine

Finfish and shellfish

Purine content

142 mgper 100 g

The level label is a plain categorization of the number above — not a statement about whether this food fits your diet. See the full disclaimer.

Composition — per 100 g

Purine, total	142 mg
— Adenine	27 mg
— Guanine	13 mg
— Hypoxanthine	11 mg
— Xanthine	91 mg
Fructose	No data available
Calories	128 kcal

Missing figures are shown as “No data available”; values are copied from the sources below and are never estimated. Laboratory values differ between studies and samples.

Where these numbers come from

Purine total and fractions: Clifford, A.J., & Story, D.L. (1976). Levels of purines in foods and their metabolic effects in rats. The Journal of Nutrition, 106(3), 435-42..
Fructose and calories: USDA FoodData Central record #175158.

If you want something similar

Within finfish and shellfish, the same table also lists Oysters, canned at 107 mg and Cod, Atlantic, wild, raw at 110.3 mg per 100 g.

From the author

Personal experience of someone living with gout

I skip it during a flare; outside one it's part of my protein rotation.

Personal experience — not medical advice. Read the full disclaimer.

Questions

Which purine base makes up most of this number?: Xanthine — 91 mg of the 142 mg per 100 g total. The rest is adenine 27, guanine 13, hypoxanthine 11.

Looking for a different food? Search the full database — every entry there links back to its source, whether or not it has a page like this one. Or browse moderate purine foods.