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Syrup is Complex

Compared to the relatively simple composition of maple sap, maple syrup has over 130 different identified flavor and aroma compounds. The predominant classes of flavor compounds are phenolics, pyrazines, and carbonyl-based compounds. Typically, li...

What's In The Sap?

Maple sap, what's in it? Maple sap is a dilute solution of mainly water (95-99%) and sugar (1-5%), along with trace amounts of other substances, including: organic acids, free amino acids, protein, minerals, and phenolic compounds. Sap coming dire...

Interview of Roger Brown, owner of Slopeside Syrup in Williston, VT.

Interview of Roger Brown, owner of Slopeside Syrup in Williston, VT.

Maple Industry Panel

What is the state of the industry? Where are bulk prices headed? How will the increase in Quebec quota impact the world supply of syrup? Industry professionals lead this panel discussion. Recorded at the 2017 Vermont Maple Conference.

Shelburne Farms Maple Sugaring Part 5: Tap Sap to Syrup

Tour of Maple sugaring operation at shelburne farms with George Conklin of Shelburne Farms

Reverse Osmosis

Some producers use membrane separation (called "reverse osmosis" or simply "RO" within the maple industry) in addition to evaporation with heat. In this process, sap is forced through membranes that have pores which are large enough for water to p...

Although bucket spouts are still available, most spouts used in the maple industry currently are plastic and designed to be used with vacuum. Spouts are constructed of food-grade nylon or polycarbonate and are smaller in size (5/16" diameter) than...

Winter is almost over and spring is almost here; it's time to make maple syrup. Each season sugar makers have to drill a new hole if they want to collect sap. The reason for this has to do with how trees respond to wounds. When a hole is drilled i...

Although sap is still collected by some maple producers in buckets or plastic bags, the majority of maple sap is currently collected using plastic spouts and a network of tubing lines. The standard tubing used for the lines that run from tree to t...