Formerly Grade B Kosher Parve USDA Non-GMO Project Verified Pure, Robust Taste Certified by QAI Certified Kosher Parve by Kof-K Vegan Maple Syrup is distilled from the sap of Sugar Maple trees in springtime. It takes 40 gallons of pure sap to make one gallon of pure syrup. A good Sugar Maple tree is able to produce 1 to 2 quarts of pure maple syrup each season. Grade A Dark Color Maple Syrup (formerly Grade B) has a deeper, richer flavor than grade A light syrups.