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Antioxidant
Vaccine Excipient Summary
Excipients Included in U.S. Vaccines, by Vaccine
In addition to weakened or killed disease antigens (viruses or bacteria), vaccines contain very small amounts of other ingredients – excipients.
Some excipients are added to a vaccine for a specific purpose. These include:…
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Zein as a water insoluble excipient for spray dry encapsulation of hydrophilic bioactives
Anti-solvent precipitation of zein was employed in conjunction with spray drying to reduce the usage of ethanol and to encapsulate the aqueous extract of green jelly leaf (Cyclea barbata Miers) antioxidants. Different concentrations of zein (0.35, 0.7, 1.05 and 1.4% w/v) and Hydroxypropylmethyl…
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