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Enhanced Water Dispersibility of Coenzyme Q10 by Complexation with Albumin Hydrolysate.

J Agric Food Chem. 2013 Jun 3;

Authors: Matsushita N, Oshima T, Takahashi H, Baba Y


The biologically important coenzyme Q10 (CoQ10) is widely used as a drug for chronic heart failure, as a nutritional supplement and in cosmetics. However, the oral bioavailability of CoQ10 is poor due to its extremely low solubility in aqueous media. In this study, complexation of CoQ10 with albumin hydrolysate as a peptide mixture (Pep) was shown to enhance the water dispersibility of CoQ10. An aqueous solution of Pep and an acetone solution of CoQ10 were mixed and lyophilized to obtain a white-yellow powder containing peptides and CoQ10 complex (Q10-Pep). The water dispersibility of Q10-Pep was much higher than that of CoQ10 alone and increased with the quantity of Pep. The particle size of Q10-Pep in aqueous media was 170-280 nm, suggesting that Q10-Pep was present as a hydrocolloidal material. Characterization of Q10-Pep using differential scanning calorimetry showed that CoQ10 was incorporated in the hydrocolloid in an amorphous state.

PMID: 23731056 [PubMed - as supplied by publisher]