This question comes up a lot in emails. It is one of the most important questions you can ask. Often a company will not tell you. Most companies shade dry their product. This is why our product is not sun or shade dried. You need to know how your product is prepared. This information can be researched in the book, 21st Century Greens: Leaf Vegetables in Nutrition and Sustainable AgricultureThe author is an expert on how to dry herbs and plants to retain the most nutritional value.
Traditional Sun Drying Method Problems
If it is not dried in a clean place safe from flies, gnats, bugs, and dust....you have contamination again by these elements.
It your Moringa powder brown? It should be green.
Shade Drying Method Problems:
Shade drying takes place over a week to 10 days.
Unless the shade drying area is in a clean, enclosed building, this process may subject the leaves to bugs, rodents, animals, dust, and disease.
Even in shade drying, there is enough sunlight to destroy some Vitamin A in the leaves.
The drying over days subjects the leaves to mold, mildew, bacteria, and salmonella. Read about is on page 85 of his book.
Unless the shelves it is dried on are properly cleaned and disinfected, each shipment could contaminate the next batch of leaves.
Shade drying offers many problems and is not the healthiest way to dry herbs or Moringa leaves.
The cleanliness of the oven is extremely important for the quality of the product. How the oven is cleaned, by what method, is one important factor.
Chemicals to clean the oven can end up in the product.
Most of the India companies have told me they shade dry their product. This buildings often are open and dirty.