Which purine base makes up most of this number?

Hypoxanthine — 87.4 mg of the 127.5 mg per 100 g total. The rest is guanine 20.7, adenine 19.4, xanthine 0.

Is this value for raw or cooked food?

Raw — the source entry is Lamb chops and roast, raw. Cooking changes water content, so compare like with like.

Why is hypoxanthine the largest fraction here?

Hypoxanthine accounts for 87.4 of the 127.5 mg total — about 69% of the number.

Lamb chops and roast, raw

Moderate purine

Lamb, veal, and game (other than organs)

Purine content

128 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	128 mg
— Adenine	19.4 mg
— Guanine	20.7 mg
— Hypoxanthine	87.4 mg
— Xanthine	0 mg
Fructose	No data available
Calories	237 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: Brulé, D., et al. (1988). Purine content of selected Canadian food products. Journal of Food Composition and Analysis, 1(2),130-8..
Fructose and calories: USDA FoodData Central record #174414.

If you want something similar

Within lamb, veal, and game (other than organs), the same table also lists Veal cutlet, cooked at 142.7 mg per 100 g.

From the author

Personal experience of someone living with gout

Good protein. I skip it during a flare.

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

Questions

Which purine base makes up most of this number?: Hypoxanthine — 87.4 mg of the 127.5 mg per 100 g total. The rest is guanine 20.7, adenine 19.4, xanthine 0.
Is this value for raw or cooked food?: Raw — the source entry is Lamb chops and roast, raw. Cooking changes water content, so compare like with like.
Why is hypoxanthine the largest fraction here?: Hypoxanthine accounts for 87.4 of the 127.5 mg total — about 69% 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.