Compositions comprising at least one mineral salt and (R)-alpha-lipoic acid or (S)-alpha-lipoic acid are useful as food supplements, in cosmetic formulations or for the production of medicines

    公开(公告)号:DE10032601A1

    公开(公告)日:2002-01-17

    申请号:DE10032601

    申请日:2000-07-07

    Applicant: BASF AG

    Abstract: A composition (I) comprising at least one mineral salt and (R)- alpha -lipoic acid or (S)- alpha -lipoic acid is claimed. Independent claims are included for (i) a metal - alpha -lipoate, metal- alpha -dihydrolipoate or metal- alpha -lipoic acid complex of formula (1) excluding Mn(Lip )ClO4, Cu(Lip )ClO4, Cd(Lip )ClO4, Pb(Lip )ClO4, Hg(liprac)(OH)2, Hg(DHLrac -), Ni(DHLrac -), Fe2(DHLrac -)3, Zn(Liprac )2(H2O)2 and Cd(Liprac )2(H2O)2. (M)w(Lp)x(A)y(H2O)z (1) M = 1-3 valent, physiologically compatible metal cation; Lp = racemic alpha -lipoic acid or alpha -dihydrolipoic acid, (R)- or (S)- alpha -lipoic or (R)- or (S)- alpha -dihydrolipoic acid, racemic alpha -lipoate or dihydro- alpha -lipoate or (R)- or (S)- alpha -lipoate or (R)- or (S)-dihydro- alpha -lipoate; (A) = physiologically compatible mono- or divalent anion; w = 1 or 2; x = 1-4; y = 0-3; z = 0-6; Lip=monovalent negative racemic, (R)- or (S)- alpha -lipoate; Liprac = monovalent negative racemic alpha -lipoate; Liprac = racemic alpha -lipoic acid; DHLrac = divalent, negative, racemic alpha -dihydrolipoate (ii) compositions comprising a metal - alpha -lipoate, metal- alpha -dihydrolipoate or metal- alpha -lipoic acid complex of formula (1) (iii) the use of alpha -lipoic acid or alpha -dihydrolipoic acid for improving the bioavailability of mineral salts.

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