Mushrooms are mostly water, and frozen mushrooms are mostly a decision about how much of that water stays inside the cell and how much becomes glaze on the outside.
Blanching sets color and reduces enzyme activity. Done too long, it softens the cap and releases water that later freezes into ice around the piece. Done too short, the product browns in storage. The window is narrow, and it is one of the few process steps a buyer can actually taste months later.
Glaze is the other half. A stated net weight can include a percentage of protective ice, and that ice is weight you paid for. Buyers who do not specify a glaze limit sometimes receive a defensible product with an indefensible yield after thawing.
Color matters commercially as well. A champignon that browns in the bag reads as older product even when it is within specification.
At NewsourceFoods, we quote mushrooms with the glaze percentage written into the offer, so thawed yield is predictable before you commit. We supply IQF mushrooms with OEM and ODM support for retail and foodservice packs, and we confirm loading per order within the 18 to 25 ton range per 40-foot container rather than promising a fixed figure. Certifications cover ISO, HACCP, BRC, IFS, KOSHER, and HALAL.
Ask us for a glaze figure and a thawed weight alongside the price. If a quote does not separate the two, that is worth a question before it becomes a claim.
NewsourceFoods ｜ yulian@qdnewsource.com ｜ Tel / WhatsApp: 0086 13687623173
