Anti caking agent for fruit powders

Hi,

I am in R & D process of Fruit powder manufacturing company. I have developed mango powder by using Microwave Vacuum technology.

There is lumps after grinding the final output.
What are anti caking agents i can use in my powder?

Could someone suggest please?

Thanks

you can use silicon dioxide or aliminum silicate.

for natural alternative search for Ground Rice Hulls

HI
Thanks for your answer.
What r the % of addition?
Regards
Mittal Patel

Is it possible that the final product still has too much moisture content?

Sir,
what should be final moisture content in Mango Powder?