For example, quebecol, a polyphenol from the maple tree sap ... fatty liver disease, and metabolic syndrome. Pure maple syrup, even without any additives, is also high in sugar.

But if you have a taste for maple syrup, you may think of collecting sap from a sugar maple tree. Sugar maple trees produce sap during the summer, which gets stored through the winter in their roots.

That’s how it’s described by David Noonan, president of the Michigan Maple Syrup Association. More than 100,000 sap-producing sugar maples snapped under the weight of ice, he said. The state ...