Which purine base makes up most of this number?

Hypoxanthine — 181.9 mg of the 237.2 mg per 100 g total. The rest is guanine 29.5, adenine 25.5, xanthine 0.3.

Is this value for raw or cooked food?

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

Why is hypoxanthine the largest fraction here?

Hypoxanthine accounts for 181.9 of the 237.2 mg total — about 77% of the number.

Pork loin, boneless, skinless, raw

High purine

Pork (other than organs)

Purine content

237 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	237 mg
— Adenine	25.5 mg
— Guanine	29.5 mg
— Hypoxanthine	182 mg
— Xanthine	0.3 mg
Fructose	No data available
Calories	174 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 #2646168.

If you want something similar

Within pork (other than organs), the same table also lists Pork, cured, bacon, unprepared at 140.7 mg and Pork sausage, uncured, link/patty, raw at 160.1 mg per 100 g.

From the author

Personal experience of someone living with gout

I skip it during a flare; otherwise once or twice a week.

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

Questions

Which purine base makes up most of this number?: Hypoxanthine — 181.9 mg of the 237.2 mg per 100 g total. The rest is guanine 29.5, adenine 25.5, xanthine 0.3.
Is this value for raw or cooked food?: Raw — the source entry is Pork loin, boneless, skinless, raw. Cooking changes water content, so compare like with like.
Why is hypoxanthine the largest fraction here?: Hypoxanthine accounts for 181.9 of the 237.2 mg total — about 77% 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.