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Tree Size Matters

In order to develop models of tree size and yield we measured the sap volume and sugar content from a wide range of tree sizes during the 2016 and 2017 seasons. This article explores the findings.

Publication:
Maple Syrup Digest
Date:
February 1, 2018

Ask Proctor

Why are my tapholes leaking and what can I do about it? (Part 2) Being able to recognize what is really a leak and what is not takes some time and thought and experience. This article offers some tips.

Publication:
Maple Syrup Digest
Date:
February 1, 2018

Maple Food Safety Plans

Creating a food safety plan can help you maintain high-quality production and can help you when training new employees. This model food safety plan for maple is based on the recommendations made in the U.S. Food and Drug AdministrationÕs Guide to Minimize Microbial Food Safety Hazards for Fresh Fruits and Vegetables (PDF), on the 2011 Food Safety Modernization Act and on industry recognized food safety practices.

Date:
January 1, 2018

Assessment of the Flavor of Syrup Produced with High-Brix RO Systems

Concentrating sap with reverse osmosis (RO) substantially increases the efficiency and profitability of processing maple sap into syrup by reducing the amount of fuel and time required to complete concentration to syrup density in the evaporator, with gains proportional to the level of sap pre-concentration. Because most flavor development in maple syrup occurs through nonenzymatic browning reactions as sap is processed with heat in the evaporator, it has often been speculated that reduced evaporator processing time resulting from the use of RO might also result in perceptible impacts on syrup flavor. However, a series of controlled experiments conducted at the University of Vermont Proctor Maple Research Center using the same sap processed to different levels with RO determined that concentrating sap up to 21.5% prior to boiling in standard maple evaporators had no substantive effects on syrup composition or flavor.

Publication:
Maple Syrup Digest
Date:
December 1, 2017

Ask Proctor

Why are my tapholes leaking and what can I do about it? (Part 1) There are often several issues involved in leaking tapholes, and sometimes the applied remedy itself turns out to be the actual problem.

Publication:
Maple Syrup Digest
Date:
December 1, 2017

Understanding the relationship between tree size and yield

There are several important factors that affect the yield of sap from trees during the production season. One relationship that it sometimes overlooked is the one between tree size and yield.

Publication:
Maple News
Date:
November 1, 2017