Which purine base makes up most of this number?

Adenine — 168 mg of the 311.55 mg per 100 g total. The rest is guanine 133, hypoxanthine 5.75, xanthine 4.8.

Mushrooms, shiitake, dried

High purine

Vegetables

Purine content

312 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	312 mg
— Adenine	168 mg
— Guanine	133 mg
— Hypoxanthine	5.75 mg
— Xanthine	4.8 mg
Fructose	No data available
Calories	296 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 #168436.

If you want something similar

Within vegetables, the same table also lists Green beans at 7.5 mg and Balsam pear (goya), raw at 9.9 mg per 100 g.

From the author

Personal experience of someone living with gout

I don't eat it. The dried number is very high in this table, and there are better mushrooms out there.

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

Questions

Which purine base makes up most of this number?: Adenine — 168 mg of the 311.55 mg per 100 g total. The rest is guanine 133, hypoxanthine 5.75, xanthine 4.8.

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.