Canned Mushrooms Grades and Standards

Grades of Canned Mushrooms

  1. U.S. Grade A is the quality of canned mushrooms that possess similar varietal characteristics; that possess a normal flavor and odor; that possess a good color; that are practically uniform in size and shape, except for the style of stems and pieces; that are practically free from defects; that possess a good character; and that for those factors which are scored in accordance with the scoring system outlined in this subpart the total score is not less than 90 points: Provided, that the canned mushrooms may be fairly uniform in size and shape for the applicable styles if the total score is not less than 90 points.

  2. U.S. Grade B is the quality of canned mushrooms that possess similar varietal characteristics; that possess a normal flavor and odor; that possess a fairly good color; that are fairly uniform in size and shape, except for the style of stems and pieces; that are fairly free from defects; that possess a fairly good character; and that for those factors which are scored in accordance with the scoring system outlined in this subpart the total score is not less that 80 points: Provided, that the canned mushrooms may fail to meet the requirements for U.S. Grade B for the factor of uniformity of size and shape for the applicable styles if the total score is not less than 80 points.

  3. Substandard is the quality of canned mushrooms that fail to meet the requirements of U.S. Grade B.

Color Standards

Color Standards for Canned Mushrooms.

Inspection Aid

Inspection Aid 106 - Universal Sizer.

Detailed standards, Inspection Instructions & Other Resources: