JP6940197B2 - 抗酸化活性を有するヒドロキシチロソールジヒドロカフェアートとその調製方法 - Google Patents
抗酸化活性を有するヒドロキシチロソールジヒドロカフェアートとその調製方法 Download PDFInfo
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- JP6940197B2 JP6940197B2 JP2020155642A JP2020155642A JP6940197B2 JP 6940197 B2 JP6940197 B2 JP 6940197B2 JP 2020155642 A JP2020155642 A JP 2020155642A JP 2020155642 A JP2020155642 A JP 2020155642A JP 6940197 B2 JP6940197 B2 JP 6940197B2
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- JUUBCHWRXWPFFH-UHFFFAOYSA-N Hydroxytyrosol Chemical compound OCCC1=CC=C(O)C(O)=C1 JUUBCHWRXWPFFH-UHFFFAOYSA-N 0.000 title description 83
- 229940095066 hydroxytyrosol Drugs 0.000 title description 41
- 235000003248 hydroxytyrosol Nutrition 0.000 title description 41
- 230000003078 antioxidant effect Effects 0.000 title description 12
- 238000002360 preparation method Methods 0.000 title description 11
- 239000011541 reaction mixture Substances 0.000 claims description 42
- 150000001875 compounds Chemical class 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 239000012043 crude product Substances 0.000 claims description 22
- -1 1-butyl-3-methylimidazolium tetrafluoroborate Chemical compound 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000002608 ionic liquid Substances 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- IQQRAVYLUAZUGX-UHFFFAOYSA-N 1-butyl-3-methylimidazolium Chemical compound CCCCN1C=C[N+](C)=C1 IQQRAVYLUAZUGX-UHFFFAOYSA-N 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 238000001953 recrystallisation Methods 0.000 claims description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 66
- DZAUWHJDUNRCTF-UHFFFAOYSA-N 3-(3,4-dihydroxyphenyl)propanoic acid Chemical compound OC(=O)CCC1=CC=C(O)C(O)=C1 DZAUWHJDUNRCTF-UHFFFAOYSA-N 0.000 description 42
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 32
- LMDZBCPBFSXMTL-UHFFFAOYSA-N 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide Chemical group CCN=C=NCCCN(C)C LMDZBCPBFSXMTL-UHFFFAOYSA-N 0.000 description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 16
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- HHEAADYXPMHMCT-UHFFFAOYSA-N dpph Chemical class [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1[N]N(C=1C=CC=CC=1)C1=CC=CC=C1 HHEAADYXPMHMCT-UHFFFAOYSA-N 0.000 description 9
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
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- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 238000002835 absorbance Methods 0.000 description 4
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
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- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 2
- 229930003268 Vitamin C Natural products 0.000 description 2
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
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- 239000000047 product Substances 0.000 description 2
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- NGHMEZWZOZEZOH-UHFFFAOYSA-N silicic acid;hydrate Chemical compound O.O[Si](O)(O)O NGHMEZWZOZEZOH-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
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- 235000019154 vitamin C Nutrition 0.000 description 2
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- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
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- 244000019459 Cynara cardunculus Species 0.000 description 1
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- 102000004190 Enzymes Human genes 0.000 description 1
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- 206010028980 Neoplasm Diseases 0.000 description 1
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- 241000304195 Salvia miltiorrhiza Species 0.000 description 1
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000011481 absorbance measurement Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
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- 238000003556 assay Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 230000004071 biological effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 1
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical group OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
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- MGJZITXUQXWAKY-UHFFFAOYSA-N diphenyl-(2,4,6-trinitrophenyl)iminoazanium Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1N=[N+](C=1C=CC=CC=1)C1=CC=CC=C1 MGJZITXUQXWAKY-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 239000000796 flavoring agent Substances 0.000 description 1
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- 239000002778 food additive Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 244000237330 gutta percha tree Species 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002831 nitrogen free-radicals Chemical class 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 150000007965 phenolic acids Chemical class 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 239000013641 positive control Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
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- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
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- 125000003944 tolyl group Chemical group 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
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- C07C69/675—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids of saturated hydroxy-carboxylic acids
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Description
本発明は、食品化学分野、特に抗酸化活性を有するヒドロキシチロソールジヒドロカフェアートおよびその製造方法に関する。
3つの主要な栄養素のうちの1つである脂肪は、毎日の食事の必須部分である。油脂の酸化は、油の品質に影響を及ぼす重要な因子である。油脂の自動酸化は活性化されたオレフィン含有基質(例えば、不飽和油)と空気中の酸素との、室温での完全な自然酸化反応であり、いかなる直接照射またはいかなる触媒も必要としない。油の酸化物は油食品の風味および色に影響を及ぼし、食品の品質を低下させるだけでなく、食べる人の健康に影響を及ぼす多くの毒性物質を生成する。油の過酸化物は膜、酵素およびタンパク質を損傷し、多くの老化疾患を引き起こし、癌を引き起こすことさえあり、ヒトの健康を深刻に危険にさらす。油脂の貯蔵寿命を延長するために、油脂への酸化防止剤の添加は、最も有効な手段の1つである。しかしながら、いくつかの一般的に使用されている合成酸化防止剤はいくつかの隠れた危険性を有しており、これらは、いくつかの国の人々によって強く反対され、禁止または制限されている。抗酸化剤の研究は、天然の抗酸化剤の適用に転じ始めた。
本発明のさらなる理解を提供するために含まれ、本明細書に組み込まれ、その一部を構成する添付の図面は本発明の実施形態を示し、説明と共に本発明の原理を説明するのに役立つ。図において、
次に、本発明の実施形態を詳細に参照し、その例を添付の図面に示す。下記の実施例は本発明を説明するが、本発明は下記の実施例に限定されるものではない。
化合物3,4−ジヒドロキシフェネチル3−(3,4−ジヒドロキシフェニル)プロパノアート(ヒドロキシチロソールジヒドロカフェアート、式(I)の化合物)の調製
化合物3,4−ジヒドロキシフェネチル3−(3,4−ジヒドロキシフェニル)プロパノアートの調製
化合物3,4−ジヒドロキシフェネチル3−(3,4−ジヒドロキシフェニル)プロパノアートの調製
化合物3,4−ジヒドロキシフェネチル3−(3,4−ジヒドロキシフェニル)プロパノアートの調製
化合物3,4−ジヒドロキシフェネチル3−(3,4−ジヒドロキシフェニル)プロパノアートの調製
化合物3,4−ジヒドロキシフェネチル3−(3,4−ジヒドロキシフェニル)プロパノアートの調製
化合物3,4−ジヒドロキシフェネチル3−(3,4−ジヒドロキシフェニル)プロパノアートの調製
化合物3,4−ジヒドロキシフェネチル3−(3,4−ジヒドロキシフェニル)プロパノアートの調製
DPPHラジカル消去活性アッセイにより測定したヒドロキシチロソールジヒドロカフェアートの抗酸化活性
2,2−ジフェニル−1−ピクリルヒドラジル(DPPH)の正確な量を測定し、トルエンに溶解して、0.2mmol/LのDPPH溶液を調製し、暗所にて0℃で保存する。
Vc(ビタミンC、陽性対照)、ヒドロキシチロソールジヒドロカフェアート(試料)、ヒドロキシチロソール(対照)およびジヒドロカフェ酸(対照)。試料溶液をトルエンで勾配希釈し、一定量のトルエンで3組の対照を別々に試験管に溶解し、試料と同じ濃度勾配を調製した。対応する3群の対照溶液を得た(勾配設定を表1に示す)。
試料溶液吸光度測定:
試験溶液(表1: Vc、A、B、C)2mLをとり、2×10−4moL/Lの濃度のDPPH溶液2mLを加え、室温で30分間暗所で混合して反応させ、トルエンでゼロに調整し、517nmで測定する。吸光度Aiは、2mLの溶液と混合した2mLのトルエンの吸光度Ajと、2mLのトルエンと混合した2mLのDPPH溶液の吸光度A0とを同時に測定した(実験結果を表2に示す)。
Claims (1)
- 下記の式(I)を有する化合物を調製する方法であって、
前記式(II)の化合物、触媒、および、イオン性液体を窒素雰囲気下で反応容器中に入れる工程であって、前記触媒は12−モリブド珪酸水和物(H 6 Mo 12 O 41 Si)である工程と、
前記式(III)の化合物を前記反応容器に加えて反応混合物を形成する工程と、
前記反応混合物を25〜50℃で5〜10時間加熱する工程と、
前記反応混合物を分液漏斗中に入れて粗生成物を分離する工程と、
メタノール中での再結晶により粗生成物を精製し、前記式(I)の化合物を得る工程と、を含み、
前記イオン性液体は、1−ブチル−3−メチルイミダゾリウムテトラフルオロホウ酸塩
([BMIM][BF 4 ])であり、
前記式(II)の化合物と前記式(III)の化合物は、1:1.1のモル比を有する、方法。
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