11. Our manna and business
From a point of commercial, the is diversified into four categories based on the method of collection and therefore the percentage of impurities present.
Here are listed in order of quality:
- Manna ash cannolo:it is recognizable because it has a white color, a stalactite shape and a size of at least 3 centimeters. It does not contain impurities;
- Grocery ash manna:it is a manna that contains 2% impurities and a humidity equal to 4%;
- Manna ash"Pollina"type processing:it is a manna that contains 3% impurities and a humidity of 7%;
- "Castelbuono"type ash manna:it is a manna that contains 4% impurities and 7% humidity.