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Tapping Below the Lateral Line for a Sustainable Use of Maple Resource

In recent years, someproducers have seen the benefit of tapping maples below the lateral line for multiple reasons. The main reason is to access a larger area of healthy wood on the trunk. This is because the maple tree produces a compartmentalization zone inside the trunk following tapping, which isolates the wound left by the tap hole.

By opting for a tapping pattern that respects the necessary spacing of taps from year to year based on their size and number, the likelihood of tapping into compartmentalized wood is minimized. If, in addition, the tapping area is expanded by allowing tapping below the lateral line, the exploitation of the trunk surface is further optimized, ensuring the sustainability of sap collection.

A Promising Alternative to Defoamers for Maple Production

Foam development in the evaporator is a phenomenon often encountered in maple production (Martin, 2011). As it passes through the evaporator, the boiling sap can begin to foam quickly, especially at a later stage of the production season. When excessive foaming occurs, the use of a foam control agent, commonly called “antifoaming agent” or “defoamer” in the maple syrup industry, sometimes becomes necessary to avoid problematic overnows (low productivity, loss of product, cleaning challenges, safety, etc.).

Effect of the new high vacuum technology on the chemical composition of maple sap and syrup

Techniques used to produce maple syrup have considerably evolved over the last decades making them more efficient and economically profitable. However, these advances must respect composition and quality standards as well as authenticity of maple products. Recently, a new and improved high vacuum technology has been made available to producers to achieve higher sap yields. The aim of the present study was therefore to evaluate the effect of this new system on the yield of sap and on the sap and syrup chemical composition.