Which purine base makes up most of this number?

Hypoxanthine — 58.5 mg of the 104 mg per 100 g total. The rest is adenine 24.3, guanine 21.2, xanthine 0.

Is this value for raw or cooked food?

Raw — the source entry is Pork tongue, raw. Cooking changes water content, so compare like with like.

Why is hypoxanthine the largest fraction here?

Hypoxanthine accounts for 58.5 of the 104 mg total — about 56% of the number.

Pork tongue, raw

Moderate purine

Pork organ products

Purine content

104 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	104 mg
— Adenine	24.3 mg
— Guanine	21.2 mg
— Hypoxanthine	58.5 mg
— Xanthine	0 mg
Fructose	No data available
Calories	225 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: Kaneko, K., et al. (2014). Total purine and purine base content of common foodstuffs for facilitating nutritional therapy for gout and hyperuricemia. Biological and Pharmaceutical Bulletin, 37(5), 709-21..
Fructose and calories: USDA FoodData Central record #168275.

If you want something similar

Within pork organ products, the same table also lists Pork heart, raw at 119.2 mg and Pork kidney, raw at 195 mg per 100 g.

From the author

Personal experience of someone living with gout

I don't eat it.

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

Questions

Which purine base makes up most of this number?: Hypoxanthine — 58.5 mg of the 104 mg per 100 g total. The rest is adenine 24.3, guanine 21.2, xanthine 0.
Is this value for raw or cooked food?: Raw — the source entry is Pork tongue, raw. Cooking changes water content, so compare like with like.
Why is hypoxanthine the largest fraction here?: Hypoxanthine accounts for 58.5 of the 104 mg total — about 56% of the number.

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.