Film-forming composition containing surfactant or surfactant and salt as whitening agent
AssigneeCapsugel Belgium NV
InventorsKaori Sato, Takahisa Takubo, Hitomi Doi
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Abstract
[Problem] Providing a whitened capsule and a whitened film without using any white pigment such as titanium dioxide. [Solution] Provided is a film, a capsule, and a film forming composition, characterized by comprising: a film-forming polymer; and a whitening agent including either a surfactant or both a surfactant and a salt, and characterized in that the surfactant is selected from a fatty acid ester of polyhydric alcohol, a polyethylene glycol, a polypropylene glycol, a polyalkylene oxide derivative, an alkyl sulfate ester salt, and a saponin.
Claims22
A single layer film comprising:
- a single film-forming polymer as a base material of the single layer film, wherein the single film-forming polymer is either gelatin or pullulan;
- and
- a whitening agent that includes either a surfactant or both a surfactant and a water-soluble salt,
- wherein the surfactant is a fatty acid ester of polyhydric alcohol, polyethylene glycol, polypropylene glycol, a polyalkylene oxide derivative, an alkyl sulfate ester salt, and/or a saponin.
A method of manufacturing a single layer film or a capsule suitable for oral delivery, the method comprising:
- providing gelatin or pullulan as a single film-forming polymer to provide a base material of the single layer film or the capsule;
- providing, as a whitening agent, either a surfactant or both a surfactant and a water-soluble salt;
- combining the single film-forming polymer and the whitening agent to provide a film-forming composition;
- and
- forming the film or capsule from the film-forming composition;
- wherein the surfactant is a fatty acid ester of polyhydric alcohol, polyethylene glycol, polypropylene glycol, a polyalkylene oxide derivative, an alkyl sulfate ester salt, or a saponin.
Dependencies are inferred from the claim text.