Which purine base makes up most of this number?

Hypoxanthine — 92.5 mg of the 137.5 mg per 100 g total. The rest is adenine 28.4, guanine 16.6, xanthine 0.

Is this value for raw or cooked food?

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

Why is hypoxanthine the largest fraction here?

Hypoxanthine accounts for 92.5 of the 137.5 mg total — about 67% of the number.

Chicken wing, raw

Moderate purine

Poultry (other than organs)

Purine content

138 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	138 mg
— Adenine	28.4 mg
— Guanine	16.6 mg
— Hypoxanthine	92.5 mg
— Xanthine	0 mg
Fructose	No data available
Calories	168 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 #2727568.

If you want something similar

Within poultry (other than organs), the same table also lists Chicken thigh, raw at 141.7 mg and Chicken thigh, stewed at 146.3 mg per 100 g.

From the author

Personal experience of someone living with gout

So good!! During a flare I eat less of it.

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

Questions

Which purine base makes up most of this number?: Hypoxanthine — 92.5 mg of the 137.5 mg per 100 g total. The rest is adenine 28.4, guanine 16.6, xanthine 0.
Is this value for raw or cooked food?: Raw — the source entry is Chicken wing, raw. Cooking changes water content, so compare like with like.
Why is hypoxanthine the largest fraction here?: Hypoxanthine accounts for 92.5 of the 137.5 mg total — about 67% 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.