ʻO ka propylene glycol alginate (Propylene glycol alginate, Propane-1 '2-diol alginate, propane-1' 2-diol alginate, E405) he paʻakai ia o ka waikawa alginic e pili ana i ka polyatomic alcohol propylene glycol.
Hiki ke hoʻoheheʻe ʻia i loko o ka wai a no laila e loaʻa ai kahi hopena kiʻekiʻe-viscosity.
Hoʻohana ʻia ia e like me ka mānoanoa, stabilizer a me ka emulsifier i ka hana ʻana i nā huaʻai a me nā mea inu ʻawaʻawa, nā momona, nā hui kuki; i nā mea hoʻonaninani, i ka lāʻau lapaʻau, etc.