JP2020196669A - ビタミンb12類の光安定化方法 - Google Patents
ビタミンb12類の光安定化方法 Download PDFInfo
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- JP2020196669A JP2020196669A JP2019102030A JP2019102030A JP2020196669A JP 2020196669 A JP2020196669 A JP 2020196669A JP 2019102030 A JP2019102030 A JP 2019102030A JP 2019102030 A JP2019102030 A JP 2019102030A JP 2020196669 A JP2020196669 A JP 2020196669A
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- Prior art keywords
- vitamin
- weight
- polyoxyethylene
- fatty acid
- composition
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- 238000000034 method Methods 0.000 title claims abstract description 35
- RMRCNWBMXRMIRW-WYVZQNDMSA-L vitamin b12 Chemical compound N([C@@H]([C@@]1(C)[C@@](C)(CC(N)=O)[C@H](CCC(N)=O)\C(N1[Co+]C#N)=C(/C)\C1=N\C([C@H]([C@@]1(CC(N)=O)C)CCC(N)=O)=C\C1=N\C([C@H](C1(C)C)CCC(N)=O)=C/1C)[C@@H]2CC(N)=O)=C\1[C@]2(C)CCC(=O)NCC(C)OP([O-])(=O)O[C@H]1[C@@H](O)[C@@H](N2C3=CC(C)=C(C)C=C3N=C2)O[C@@H]1CO RMRCNWBMXRMIRW-WYVZQNDMSA-L 0.000 title 1
- 239000000203 mixture Substances 0.000 claims abstract description 62
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229930003427 Vitamin E Natural products 0.000 claims abstract description 13
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011709 vitamin E Substances 0.000 claims abstract description 13
- 235000019165 vitamin E Nutrition 0.000 claims abstract description 13
- 229940046009 vitamin E Drugs 0.000 claims abstract description 13
- -1 vitamin B 12 compound Chemical class 0.000 claims description 82
- FEZWOUWWJOYMLT-DSRCUDDDSA-M cobalt;[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2,7,1 Chemical compound [Co].[N-]([C@@H]1[C@H](CC(N)=O)[C@@]2(C)CCC(=O)NC[C@@H](C)OP(O)(=O)O[C@H]3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)\C2=C(C)/C([C@H](C\2(C)C)CCC(N)=O)=N/C/2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O FEZWOUWWJOYMLT-DSRCUDDDSA-M 0.000 claims description 32
- FDJOLVPMNUYSCM-UVKKECPRSA-L cobalt(3+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2,7, Chemical compound [Co+3].N#[C-].C1([C@H](CC(N)=O)[C@@]2(C)CCC(=O)NC[C@@H](C)OP([O-])(=O)O[C@H]3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)[N-]\C2=C(C)/C([C@H](C\2(C)C)CCC(N)=O)=N/C/2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O FDJOLVPMNUYSCM-UVKKECPRSA-L 0.000 claims description 27
- 239000004094 surface-active agent Substances 0.000 claims description 13
- 229940088594 vitamin Drugs 0.000 claims description 10
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- 150000003722 vitamin derivatives Chemical class 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 229940125904 compound 1 Drugs 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 abstract description 14
- 229930003779 Vitamin B12 Natural products 0.000 abstract 5
- FDJOLVPMNUYSCM-WZHZPDAFSA-L cobalt(3+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2 Chemical compound [Co+3].N#[C-].N([C@@H]([C@]1(C)[N-]\C([C@H]([C@@]1(CC(N)=O)C)CCC(N)=O)=C(\C)/C1=N/C([C@H]([C@@]1(CC(N)=O)C)CCC(N)=O)=C\C1=N\C([C@H](C1(C)C)CCC(N)=O)=C/1C)[C@@H]2CC(N)=O)=C\1[C@]2(C)CCC(=O)NC[C@@H](C)OP([O-])(=O)O[C@H]1[C@@H](O)[C@@H](N2C3=CC(C)=C(C)C=C3N=C2)O[C@@H]1CO FDJOLVPMNUYSCM-WZHZPDAFSA-L 0.000 abstract 5
- 235000019163 vitamin B12 Nutrition 0.000 abstract 5
- 239000011715 vitamin B12 Substances 0.000 abstract 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 36
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- RMRCNWBMXRMIRW-BYFNXCQMSA-M cyanocobalamin Chemical compound N#C[Co+]N([C@]1([H])[C@H](CC(N)=O)[C@]\2(CCC(=O)NC[C@H](C)OP(O)(=O)OC3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)C)C/2=C(C)\C([C@H](C/2(C)C)CCC(N)=O)=N\C\2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O RMRCNWBMXRMIRW-BYFNXCQMSA-M 0.000 description 22
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- 235000000639 cyanocobalamin Nutrition 0.000 description 13
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- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 10
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
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- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 150000005215 alkyl ethers Chemical class 0.000 description 6
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- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical class CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 4
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- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
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Abstract
Description
項1. ビタミンB12類を含む組成物にビタミンE類を含有させる、ビタミンB12類の光安定化方法。
項2. ビタミンB12類1重量部当たり、含有させるビタミンE類が0.00125〜1000重量部である、項1に記載のビタミンB12類の光安定化方法。
項3. ビタミンB12類を含む組成物に、ビタミンB12類1重量部当たり10重量部以下となる比率で界面活性剤を含有させる、項1又は2に記載のビタミンB12類の光安定化方法。
項4. ビタミンB12類を含む組成物が水性組成物である、項1〜3のいずれかに記載のビタミンB12類の光安定化方法。
ビタミンB12類とは、ビタミンB12(シアノコバラミン)、その誘導体、及びそれらの塩を指す。本発明で使用されるビタミンB12類の種類については、飲食品、口腔ケア製品、医薬品、化粧料等の製品に配合可能であることを限度として特に制限されない。例えば、ビタミンB12の誘導体としては、メチルコバラミン、ヒドロキソコバラミン、アデノシルコバラミン、アクアコバラミン等が挙げられる。また、ビタミンB12及びその誘導体の塩としては、例えば、酢酸塩、トリフルオロ酢酸塩、酪酸塩、パルミチン酸塩、ステアリン酸塩、フマル酸塩、マレイン酸塩、コハク酸塩、マロン酸塩、乳酸塩、酒石酸塩、クエン酸塩等のカルボン酸塩;メタンスルホン酸塩、トルエンスルホン酸塩、トシル酸塩等の有機スルホン酸塩;塩酸塩、硫酸塩、硝酸塩、リン酸塩等の無機酸塩;メチルアミン、トリエチルアミン、トリエタノールアミン等の有機アミン塩;ナトリウム塩、カリウム塩等のアルカリ金属塩;カルシウム、マグネシウム等のアルカリ土類金属塩;アンモニウム塩等が挙げられる。これらのビタミンB12類は、1種単独で使用してもよく、また2種以上を組み合わせて使用してもよい。
本発明の光安定化方法では、ビタミンB12類の光安定化を図るために、ビタミンB12類を含む組成物にビタミンE類を配合する。
本発明の光安定化方法において、ビタミンB12類を含む組成物には、ビタミンE類に加えて界面活性剤を含有させてもよい。特に、ビタミンB12類を含む組成物が水性組成物である場合には、ビタミンE類を水性組成物中で可溶化させるために、界面活性剤が含有されていることが望ましい。
本発明の光安定化方法において、ビタミンB12類を含む組成物には、更にカンフルを含有させてもよい。カンフルを含有させることによって、より一層効果的にビタミンB12類の光安定化を図ることが可能になる。
本発明の光安定化方法において、ビタミンB12類を含む組成物には、更にキレート剤を含有させてもよい。本発明で使用されるキレート剤の種類については、飲食品、口腔ケア製品、医薬品、化粧料等の製品に配合可能であることを限度として特に制限されないが、例えば、エデト酸、クエン酸、コハク酸、及びこれら塩等が挙げられる。塩の形態としては、例えば、ナトリウム塩、カリウム塩等のアルカリ金属塩等が挙げられる。これらのキレート剤は、1種単独で使用してもよく、また2種以上を組み合わせて使用してもよい。
本発明の光安定化方法において、ビタミンB12類を含む組成物に、更に多価アルコールを含有させてもよい。本発明で使用される多価アルコールの種類としては、例えば、エチレングリコール、1,3−ブチレングリコール、プロピレングリコール、イソプレングリコール、ジエチレングリコール、ジプロピレングリコール、ポリプロピレングリコール、グリセリン等が挙げられる。これらの多価アルコールは、1種単独で使用してもよく、また2種以上を組み合わせて使用してもよい。
本発明の光安定化方法において、ビタミンB12類を含む組成物には、前記成分の他に、当該組成物の形状や製品形態に応じて、各種の薬理成分、食品素材、添加剤等の成分を含有させてもよい。このような成分の種類については、ビタミンB12類を含む組成物の形状や製品形態に応じて使用可能なものを適宜選定すればよいが、例えば、水、薬理成分、油脂類、ロウ類、炭化水素類、脂肪酸類、高級アルコール類、エステル類、水溶性高分子、金属石鹸、1価低級アルコール類、pH調整剤、緩衝剤、酸化防止剤、紫外線防止剤、防腐剤、香料、粉体、増粘剤、色素等が挙げられる。これらの成分は、1種単独で使用してもよく、また2種以上を組み合わせて使用してもよい。これらの成分の濃度については、使用する成分の種類や組成物の形状及び製品形態等に応じて適宜設定される。
本発明の光安定化方法において、ビタミンB12類を含む組成物は、水性組成物又は非水性組成物のいずれであってもよい。一般的にビタミンB12類は水性組成物中で光暴露により分解され易くなる傾向があるが、本発明によれば、水性組成物中でも光暴露によるビタミンB12類の分解を効果的に抑制できる。このような本発明の効果を鑑みると、本発明の光安定化方法において、ビタミンB12類を含む組成物の好適な例として水性組成物が挙げられる。
表1に示す組成の水性組成物を調製した。500ml容の透明容器(ポリエチレンテレフタレート製)に得られた水性組成物500mlを充填し、昼間に直射日光が当たる室内(南側の窓から10cm離れた場所)に23日間静置した。23日間の静置後に、水性組成物の外観を目視にて観察し、以下の判定基準に従って、シアノコバラミンの保存安定性を判定した。なお、シアノコバラミンはピンク色の色調を呈し、分解されると退色するため、本試験において、退色が多い程、シアノコバラミンの分解が進んでいることを示している。
<シアノコバラミンの保存安定性>
◎ :製造直後に比べて、色調が同等である。
○ :製造直後に比べて、僅かに退色が認められるが許容範囲内である。
× :製造直後に比べて、明らかに退色が認められ許容できない。
××:退色が著しく、ほぼ無色になっている。
表2に示す組成の水性組成物を調製した。得られた水性組成物を、前記試験例1と同様の方法でシアノコバラミンの保存安定性を評価したところ、いずれも、光暴露によるシアノコバラミンの分解を効果的に抑制できていた。
Claims (4)
- ビタミンB12類を含む組成物にビタミンE類を含有させる、ビタミンB12類の光安定化方法。
- ビタミンB12類1重量部当たり、含有させるビタミンE類が0.00125〜1000重量部である、請求項1に記載のビタミンB12類の光安定化方法。
- ビタミンB12類を含む組成物に、ビタミンB12類1重量部当たり10重量部以下となる比率で界面活性剤を含有させる、請求項1又は2に記載のビタミンB12類の光安定化方法。
- ビタミンB12類を含む組成物が水性組成物である、請求項1〜3のいずれかに記載のビタミンB12類の光安定化方法。
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