Astaxanthin-containing aqueous composition, cosmetic preparation, and method for suppressing degradation of astaxanthin
A technology of astaxanthin and composition, which is applied in the field of water-based compositions, can solve problems such as difficulty in maintaining stability over time, and achieve the effect of excellent stability over time
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[0127] The following components were dissolved while heating at 70° C. for 1 hour to obtain an aqueous phase composition.
[0128] ·Sucrose Oleate 13g
[0129] · Decaclyceryl monooleate (HLB=12) 25g
[0130] ·Glycerin 500g
[0131] ·Pure water 332g
[0132]
[0133] Separately, the following components were dissolved while heating at 70° C. for 1 hour to obtain an oil phase composition.
[0134] ·Haematococcus extract
[0135] (astaxanthin content 20% by mass) 40g
[0136] ·Lecithin (soybean source) 90g
[0137] The water phase was kept at 70° C., stirred (10000 rpm) with a homogenizer in this state, and the above-mentioned oil phase was added thereto to obtain an emulsion. The obtained emulsion was emulsified under high pressure at a pressure of 200 MPa using Ultimizer HJP-25005 (manufactured by Sugino Machinery Co., Ltd., brand name).
[0138] Thereafter, the emulsion was filtered with a microfilter having an average pore diameter of 1 μm to prepare astaxanthin-cont...
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