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- This is Mark Isselhardt,
Maple Specialist

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with University of Vermont Extension.

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This is a Vermont Maple Minute.

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Maple sap, what's in it?

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Maple sap is a dilute solution
of mainly water ranging

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between 95 and 99%, and
a little bit of sugar,

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somewhere between one and
5%, along with trace amounts

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of other substances,
including organic acids,

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free amino acids, protein,
minerals, and phenolic compounds.

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Sap flowing directly from a tree

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looks like water and has
only a slight sweet taste.

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Most of the sugar in
maples sap is sucrose,

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which chemically is
the same as table sugar

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with only very small amounts
of other sugars present.

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It is important to note

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that maple sap is not just dilute syrup.

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It's fundamentally a different product

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and only the heat of an
evaporator can cause the color

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and flavor that makes
maple syrup what it is.

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This has been a Vermont Maple Minute.

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I am Mark Isselhardt, Maple Specialist

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with the University of Vermont Extension.