Is Starch phosphate hydroxypropyl ether sodium salt vegan?

Sodium Hydroxypropyl Starch Phosphate is also known as Starch phosphate hydroxypropyl ether sodium salt.

Sodium Hydroxypropyl Starch Phosphate is a modified starch derivative, produced by chemically treating starch with propylene oxide and phosphate to introduce hydroxypropyl and phosphate ether groups, then neutralized as the sodium salt. It is used as a thickener and film-forming agent, typically derived from corn, potato, or tapioca starch.

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