Stable liquid preparation of complex vitamin for internal use

التفاصيل البيبلوغرافية
العنوان: Stable liquid preparation of complex vitamin for internal use
Patent Number: 5,578,600
تاريخ النشر: November 26, 1996
Appl. No: 08/323,344
Application Filed: October 14, 1994
مستخلص: Described is a stable liquid preparation of complex vitamin for internal use. The preparation containing vitamin B.sub.1 and vitamin B.sub.12, and as a sweetening agent, a sugar alcohol. The pH of the preparation has been adjusted to 3.5 to 4.5.
Inventors: Murata, Yutaka (Inba-mura, JPX); Kikuchi, Yuko (Tokyo, JPX); Ohsugi, Tomohiko (Narita, JPX); Aoki, Noriko (Narita, JPX); Murata, Teiji (Shisui-machi, JPX); Kurazumi, Toshiaki (Narita, JPX); Iwasa, Akira (Yotsukaido, JPX)
Assignees: SS Pharmaceutical Co., Ltd. (Tokyo, JPX)
Claim: We claim
Claim: 1. A stable liquid preparation of a complex vitamin for internal use, said liquid preparation having an adjusted pH of 3.5 to 4.5, consisting essentially of
Claim: a) a vitamin combination of at least vitamins B.sub.1 and B.sub.12 ;
Claim: b) a sugar alcohol as a sweetening agent; and
Claim: c) at least one other component selected from the group consisting of drug efficacy ingredients, crude drug ingredients, solubilizers, preservatives, coloring agents and perfumes.
Claim: 2. The preparation according to claim 1, wherein vitamin B.sub.1 is thiamine or a derivative thereof or a salt of thiamine or the thiamine derivative; and vitamin B.sub.12 is cyanocobalamine.
Claim: 3. The preparation according to claim 1 or 2, wherein said sugar alcohol is xylitol, maltitol or sorbitol.
Claim: 4. The preparation according to claim 1, wherein citric, malic, tartaric or succinic acid or a salt thereof regulates the pH of the preparation to within the stated range in an amount not greater than 0.5 g per preparation.
Claim: 5. The preparation according to claim 1, wherein the amount of said sugar alcohol in the preparation ranges from 0.5-20 g per 50 ml of liquid preparation.
Claim: 6. The preparation according to claim 1, wherein said amount of sugar alcohol ranges from 1-15 g.
Claim: 7. The preparation according to claim 1, wherein the amount of said vitamin B.sub.12 ranges from 1-5,000 .mu.g per 50 ml of liquid preparation.
Claim: 8. The preparation according to claim 1, wherein the amount of said vitamin B.sub.1 ranges from 1-50 mg per 50 ml of liquid preparation.
Current U.S. Class: 514/276; 514/394
Current International Class: A61K 3151; A61K 31415
Patent References Cited: 4806354 February 1989 Green
Other References: Database WPI, Derwent Publications, AN-90-332333, JP-A-2 240 025, Sep. 25, 1990.
Primary Examiner: Dees, Jos e G.
Assistant Examiner: Cebulak, Mary C.
Attorney, Agent or Firm: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
رقم الانضمام: edspgr.05578600
قاعدة البيانات: USPTO Patent Grants