I'm using soybean oil and water with egg lecitin(PC) as emulsifier. The volumes I'm using is small-scale, a few mls. Please, give me advice regarding the optimal way of mixing, e g method, mixing procedure, temperatures etc. I'm looking for very small droplet sizes and stabilities of, at least, one month.
Because it's biocompatible. PC is the major constituent of cellular membranes. Therefor, it can be used as a safe excipient, for iv injections and infusions. It also very good to stabilize o/w-emulsions with low oil contents. The reason is that it forms stable lamellar palisade layers at the interfaces between water and oil.
Are you perhaps looking for liposomes? Using granulated soy lecithin, ascorbic acid and water, I make my own Liposomal Vitamin C. I blend first and then sonicate in an ultrasonic cleaner trying to keep the temp down by only sonicating for 5mins at a time. Look around, there are lots of sites and a yahoo group describing the simple process..
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