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0:53

What's In The Sap?

By: uvmext

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...

1:01

Why Does Sap Flow?

By: uvmext

Why Does Sap Flow from Maple Trees? Throughout the maple region, there are several weeks of alternating freeze and thaw temperatures each spring. This weather provides the right conditions for sap flow in maple. Unlike most trees, maples have tiny...

2:00

Water Bars

By: uvmext

Access to a sugarbush is critical for installing and repairing sap collection equipment, tapping and managing crop trees and responding to the effects of natural disturbances. Quality access to the sugarbush relies and a road and trail system that...

0:47

Vacuum

By: uvmext

Sap flows out of trees due to the difference in pressure between the inside and outside of the tree. In the 1950s, maple researchers and producers found that adding vacuum pumps to tubing systems could increase this pressure differential and there...

1:14

USDA Numbers

By: uvmext

The USDA released the estimates for the 2019 Vermont maple crop. The numbers show that Vermont produced just over 2 million gallons of syrup in 2019. This represents a nearly 50% of all the syrup produced in the US and just under 7% increase from ...

2:08

Tapping

By: uvmext

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...

0:47

Syrup is Complex

By: uvmext

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...

1:42

Syrup Color

By: uvmext

In Vermont, Grade A maple syrup is divided into four distinct color classes. Those classes are Golden, Amber, Dark and Very Dark. The lightest grade of syrup, Golden, has the most delicate flavor. A lot of the time it will be made at the beginning...

1:46

Syrup Clarity

By: uvmext

Syrup clarity is one of the four basics of grading. Syrup that come right off the evaporator is cloudy. Most of the cloudiness found in unfiltered syrup is naturally occurring minerals such as calcium also known as sugar sand or niter. Syrup clari...