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North American Maple Syrup Producers Manual, 3rd Ed.

Since 1958 the North American Maple Syrup Producers Manual has served as a basic reference source for the production of pure maple products. This 2022 edition provides up-to-date, science-based information and recommendations relating to all aspects of the industry. The guidelines presented will help users ranging from the hobby and beginning producer level to those well-established in the industry. In addition, the information herein will benefit foresters, land managers, Extension and outreach personnel, and others aiming to provide assistance to those in the maple industry. Numerous photographs, tables, a glossary and hyperlinks to selected source materials are included.

This publication is also available in print, at

The Chemical Composition of Maple Syrup

This article is meant to be an introduction to the chemistry of maple sap and syrup: in particular, what makes this sweet liquid maple syrup instead of just a concentrated sugar solution? The types of sugars, the trace ingredients, and the mineral content make maple syrup more than just plain sugar water.