Method of producing reduced coenzyme q10

Details Method of producing reduced coenzyme q10 Method of producing reduced coenzyme q10

2006-09-12

2006-09-12

Witherspoon, Sikarl A. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S830000, C552S293000

Reexamination Certificate

active

07105709

ABSTRACT:
The present invention relates to a method of conveniently and efficiently producing high-quality reduced coenzyme Q10which is useful as an ingredient in foods, functional nutritive foods, specific health foods, nutritional supplements, nutrients, animal drugs, drinks, feeds, cosmetics, medicines, remedies, preventive drugs, etc. This method is suitable for industrial production thereof.A method of producing a reduced coenzyme Q10which comprises reducing an oxidized coenzyme Q10in an aqueous medium with the use of dithionous acid or a salt thereof,said reduction being carried out in the coexistence of a salt and/or under deoxygenated atmosphere, and at pH of7or below. Thus, the formation of the oxidized coenzyme Q10as a by-product due to oxidation can be minimized, thereby giving reduced coenzyme Q10having excellent qualities in a high yield.

REFERENCES:
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patent: 53-133687 (1978-11-01), None
patent: 57-70834 (1982-05-01), None
patent: 60-75294 (1985-04-01), None
International Search Report From Corresponding International Application No. PCT/JP02/07147, Dated Oct. 21, 2002, 1 page.
Patent Cooperation Treaty International Preliminary Examination Report (PCT Article 36 and Rule 70), From Corresponding International Application No. PCT/JP02/07147, Dated Feb. 27, 2003, 3 Pages.

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