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Abstract
A new prehardening process has been demonstrated by passing falling drops through a fine mist of hardening solution, in which drops were generated as monodispersed and concentric two-phase particles.
A mixture of vegetable oil and vitamin E has been encapsulated using calcium alginate for rapid hardening and hydroxy propyl methyl cellulose acetate succinate for slow hardening. Both hardening agents produced satisfactory stable encapsulation.