Granulating Botanicals Can Be Challenging: Part one”
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How does one prepare a botanical, say like the Alfalfa above, for successful compressing as a tablet or successful filling
into a hard shell capsule? How does one insure that the powder we see above will in fact act as well as it appears? The
answer is not simple but there are some statements that we can make immediately that will help the
granulator/formulator to better appreciate the answer to the challenge.
First: sorry, but it is foolish to believe that the many raw materials one purchases from around the world are going to
show up with the same attributes each time you order. No matter how tight your specifications are, there will be variation
in the nature of the powder due to climate, time of year it was harvested, rainfall, etc. On the other hand, all raw
materials have basic characteristics regardless of the variables. So how does one react to this and choose the right
granulating method?
Stack on this the fact that some companies do not specify or cannot pay higher prices for higher grade materials having
narrow particle size distribution. Stack on to that that some companies are just starting out and do not truly understand
the difference in either impact on quality or on efficiencies.
Answer: pay the raw material supplier to provide a compression grade raw material with proven ability to flow. You pay a
little more but you minimize your hassle.
Second: Your big question is: how well does this powder flow? For flow is everything on a press or encapsulator

Solid Dosage Training, Inc. FREE TECHNICAL HELP Granulating
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