Table 1 The official maple syrup classification system in Quebec.

From: A systems biology approach to explore the impact of maple tree dormancy release on sap variation and maple syrup quality

Syrup quality

Description

Std

Standard quality, characteristic maple taste

V

Slight trace of unwanted taste or odor

1

Defect of natural origin such as woody, caramel, burnt, vegetal

2

Defect of microbial origin such as fermented or moldy

3

Defect of chemical origin for example contamination by cleaning products

4a

Uncharacterized defects or combination of defects

5

Buddy defect

6a

Viscous ropy syrup that runs 10 cm or more

  1. aSyrups in these classes can also present the buddy defect.