It had long been suspected that the egg came first but now we have the scientific proof that shows that in fact the chicken came first, said Dr. Colin Freeman, from Sheffield University's Department of Engineering Materials, according to the Mail.
Best Answer: The sap should be stored at a temperature of 38 degrees F or colder, used within 7 days of collection and boiled prior to use to eliminate any possible bacteria growth.
When you're done evaporating all your sap and ready to finish, continue to evaporate what's left while monitoring the temperature carefully. When the syrup is boiling at 7.1 degrees F above the boiling point of water, filter and package the syrup.