- U.S. Grade A is the quality of maple syrup that:
- Not more than 68.9 percent solids content by weight (Brix);
- Has good uniform color;
- Has good flavor and odor, and intensity of flavor (maple taste) normally associated with the color class;
- Is free from off flavors and odors considered as damage;
- Is free from cloudiness, turbidity, sediment, and is clean;
- No deviants for damage shall be allowed in Grade A.
- Maple syrup for processing (Processing Grade) means any maple syrup that does not meet Grade A requirements, but meets the requirement of Processing Grade for use in the manufacturing of other products. Maple syrup for processing must be packed in containers of 5 gallons or 20 liters or larger. Processing Grade maple syrup cannot be packaged in consumer-size containers for retail sales (containers of less than 5 gallons).
- May be any color class and any light transmittance; and not more than 68.9 percent solids content by weight (Brix);
- May contain off flavors; and odors;
- May have a very strong taste.
- Substandard is the quality of maple syrup that fails to meet the requirements of Processing Grade maple syrup.