Which purine base makes up most of this number?

Hypoxanthine — 217.4 mg of the 259.8 mg per 100 g total. The rest is adenine 18.5, guanine 17.5, xanthine 6.4.

Is this value for raw or cooked food?

Raw — the source entry is Salmon, sockeye, wild, raw. Cooking changes water content, so compare like with like.

Why is hypoxanthine the largest fraction here?

Hypoxanthine accounts for 217.4 of the 259.8 mg total — about 84% of the number.

Salmon, sockeye, wild, raw

High purine

Finfish and shellfish

Purine content

260 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	260 mg
— Adenine	18.5 mg
— Guanine	17.5 mg
— Hypoxanthine	217 mg
— Xanthine	6.4 mg
Fructose	No data available
Calories	136 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: USDA and ODS-NIH Database for the Purine Content of Foods, Release 2.0 (2025) — USDA analytical data (FDC Foundation Foods program).
Fructose and calories: USDA FoodData Central record #2684440.

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 don't eat it — I can't stand raw fish.

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

Questions

Which purine base makes up most of this number?: Hypoxanthine — 217.4 mg of the 259.8 mg per 100 g total. The rest is adenine 18.5, guanine 17.5, xanthine 6.4.
Is this value for raw or cooked food?: Raw — the source entry is Salmon, sockeye, wild, raw. Cooking changes water content, so compare like with like.
Why is hypoxanthine the largest fraction here?: Hypoxanthine accounts for 217.4 of the 259.8 mg total — about 84% 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 high purine foods.