Protein powder is made of whey, casein, soy, egg, or hemp, and is essential for helping to build muscle when performing bodybuilding exercises. The process for making protein powder can be extensive and costly, when it is fairly simple to purchase protein powder. However, whey protein powder is one is the most popular and simple of protein powders to create. Also, there are several web sites that allow consumers to create their own protein formulas to purchase.
- Skill level:
- Moderately Easy
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Things you need
- 12 cups fresh water (3 quarts)
- 6 cups instant dry milk powder
- 1 to 1-1/2 cups white vinegar
Heat 12 cups of water in a large pot using medium heat. Stir in the dry milk powder and continue you heating for 10 minutes. Be sure not to scorch the milk. Stir in the cup of vinegar and continue heating for another 10 minutes.
Take the pot off of the stove to let the mixture settle. A large lump of curd will form in the pot. Drain all of the excess liquid into a large bowl using a colander. This excess liquid is the whey.
Spray-dry the liquid to induce lactose crystallisation, or formation of the powder. To do this your will need a spray drying machine or atomiser, which disperses liquid and then heats the liquid into a powder. You can purchase spray-drying equipment on the Internet (See Resources).
Complete the crystallisation by quickly cooling the powder after the heating process. This process usually takes place in a fluidised bed after the liquid has been evaporated. The crystallisation will continue for as long as 4 to 24 hours.
Use a microfilter to separate all of the protein from the powder. This powder is whey-isolated protein which is sold as protein powder. This step is the most difficult as microfilters are not commercially sold, but can be found if you have laboratory contacts. You may need to send your whey powder after it is crystallised to a certified professional for the powder to be microfiltered.
Tips and warnings
- As purchasing such equipment as a spray dryer can be very costly, consider creating your own protein formula using a customisation feature on a web site like True Protein (See Resources).
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