Regular, Button Mushrooms

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Storage Guidelines

Commercial storage guidance for fresh button mushrooms (Agaricus bisporus). Storage life depends on initial quality, maturity, cultivar and handling; this is not a household shelf-life guarantee.

High humidity is essential to prevent drying and loss of gloss, but condensation in packages must be avoided; slightly warmer storage speeds browning, stem elongation and veil opening, and ethylene browns the caps. Highest freezing point: -0.6°C. Source: USDA Agriculture Handbook 66 (rev. 2016).

Nutritional Information

Mushrooms, white, raw; USDA SR Legacy, FDC 169251, published 4/1/2019. Per 100 g edible portion, approximately: Energy: 22 kcal; Protein: 3.09 g; Fat: 0.34 g; Total carbohydrate (by difference): 3.26 g; Dietary fiber: 1 g; Vitamin C: 2.1 mg; Folate: 17 µg; Total sugars: 1.98 g. Generic reference for the stated edible food and processing form, not a cultivar-specific or item-specific measurement. Composition of an individual shipment has not been measured.