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.
How long to boil the sap. Well, you boil it. . .and boil it. . .and boil it some more. There is not set time for boiling the sap. The type of sap, when it is in the season, and the amount of heat will all affect how much time it takes to boil the sap.