JP6782759B2 - ビタミンe濃縮物を調製するプロセス - Google Patents
ビタミンe濃縮物を調製するプロセス Download PDFInfo
- Publication number
- JP6782759B2 JP6782759B2 JP2018231458A JP2018231458A JP6782759B2 JP 6782759 B2 JP6782759 B2 JP 6782759B2 JP 2018231458 A JP2018231458 A JP 2018231458A JP 2018231458 A JP2018231458 A JP 2018231458A JP 6782759 B2 JP6782759 B2 JP 6782759B2
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- JP
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- Prior art keywords
- tocotrienol
- rich fraction
- methanol
- solution
- content
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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 title claims description 104
- 238000000034 method Methods 0.000 title claims description 71
- 230000008569 process Effects 0.000 title claims description 68
- 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 title claims description 53
- 229930003427 Vitamin E Natural products 0.000 title claims description 51
- 229940046009 vitamin E Drugs 0.000 title claims description 51
- 235000019165 vitamin E Nutrition 0.000 title claims description 51
- 239000011709 vitamin E Substances 0.000 title claims description 51
- 239000012141 concentrate Substances 0.000 title claims description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 228
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 198
- 229930003802 tocotrienol Natural products 0.000 claims description 139
- 239000011731 tocotrienol Substances 0.000 claims description 139
- 235000019148 tocotrienols Nutrition 0.000 claims description 139
- GJJVAFUKOBZPCB-UHFFFAOYSA-N 2-methyl-2-(4,8,12-trimethyltrideca-3,7,11-trienyl)-3,4-dihydrochromen-6-ol Chemical compound OC1=CC=C2OC(CCC=C(C)CCC=C(C)CCC=C(C)C)(C)CCC2=C1 GJJVAFUKOBZPCB-UHFFFAOYSA-N 0.000 claims description 122
- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 claims description 115
- 239000000243 solution Substances 0.000 claims description 101
- 235000004835 α-tocopherol Nutrition 0.000 claims description 66
- 229940087168 alpha tocopherol Drugs 0.000 claims description 57
- 229960000984 tocofersolan Drugs 0.000 claims description 57
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- 235000019144 δ-tocotrienol Nutrition 0.000 claims description 39
- OTXNTMVVOOBZCV-UHFFFAOYSA-N 2R-gamma-tocotrienol Natural products OC1=C(C)C(C)=C2OC(CCC=C(C)CCC=C(C)CCC=C(C)C)(C)CCC2=C1 OTXNTMVVOOBZCV-UHFFFAOYSA-N 0.000 claims description 31
- ODADKLYLWWCHNB-UHFFFAOYSA-N 2R-delta-tocotrienol Natural products OC1=CC(C)=C2OC(CCC=C(C)CCC=C(C)CCC=C(C)C)(C)CCC2=C1 ODADKLYLWWCHNB-UHFFFAOYSA-N 0.000 claims description 26
- BTNBMQIHCRIGOU-UHFFFAOYSA-N delta-tocotrienol Natural products CC(=CCCC(=CCCC(=CCCOC1(C)CCc2cc(O)cc(C)c2O1)C)C)C BTNBMQIHCRIGOU-UHFFFAOYSA-N 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 26
- 239000011729 δ-tocotrienol Substances 0.000 claims description 26
- ODADKLYLWWCHNB-LDYBVBFYSA-N δ-tocotrienol Chemical compound OC1=CC(C)=C2O[C@@](CC/C=C(C)/CC/C=C(C)/CCC=C(C)C)(C)CCC2=C1 ODADKLYLWWCHNB-LDYBVBFYSA-N 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 150000002759 monoacylglycerols Chemical class 0.000 claims description 23
- 235000019151 β-tocotrienol Nutrition 0.000 claims description 23
- 229920006395 saturated elastomer Polymers 0.000 claims description 21
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- FGYKUFVNYVMTAM-UHFFFAOYSA-N (R)-2,5,8-trimethyl-2-(4,8,12-trimethyl-trideca-3t,7t,11-trienyl)-chroman-6-ol Natural products OC1=CC(C)=C2OC(CCC=C(C)CCC=C(C)CCC=C(C)C)(C)CCC2=C1C FGYKUFVNYVMTAM-UHFFFAOYSA-N 0.000 claims description 14
- FGYKUFVNYVMTAM-YMCDKREISA-N beta-Tocotrienol Natural products Oc1c(C)c2c(c(C)c1)O[C@@](CC/C=C(\CC/C=C(\CC/C=C(\C)/C)/C)/C)(C)CC2 FGYKUFVNYVMTAM-YMCDKREISA-N 0.000 claims description 14
- 238000004821 distillation Methods 0.000 claims description 14
- FGYKUFVNYVMTAM-MUUNZHRXSA-N epsilon-Tocopherol Natural products OC1=CC(C)=C2O[C@@](CCC=C(C)CCC=C(C)CCC=C(C)C)(C)CCC2=C1C FGYKUFVNYVMTAM-MUUNZHRXSA-N 0.000 claims description 14
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- FGYKUFVNYVMTAM-WAZJVIJMSA-N β-tocotrienol Chemical compound OC1=CC(C)=C2O[C@@](CC/C=C(C)/CC/C=C(C)/CCC=C(C)C)(C)CCC2=C1C FGYKUFVNYVMTAM-WAZJVIJMSA-N 0.000 claims description 11
- 239000002198 insoluble material Substances 0.000 claims description 9
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 claims description 9
- 150000003772 α-tocopherols Chemical class 0.000 claims description 9
- 150000003782 β-tocotrienols Chemical class 0.000 claims description 9
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 8
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- GJJVAFUKOBZPCB-ZGRPYONQSA-N (r)-3,4-dihydro-2-methyl-2-(4,8,12-trimethyl-3,7,11-tridecatrienyl)-2h-1-benzopyran-6-ol Chemical class OC1=CC=C2OC(CC/C=C(C)/CC/C=C(C)/CCC=C(C)C)(C)CCC2=C1 GJJVAFUKOBZPCB-ZGRPYONQSA-N 0.000 description 14
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- 235000009566 rice Nutrition 0.000 description 11
- 238000011282 treatment Methods 0.000 description 11
- 235000019145 α-tocotrienol Nutrition 0.000 description 11
- 239000000401 methanolic extract Substances 0.000 description 10
- 239000012153 distilled water Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 235000019150 γ-tocotrienol Nutrition 0.000 description 7
- 229940064063 alpha tocotrienol Drugs 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 230000009469 supplementation Effects 0.000 description 6
- RZFHLOLGZPDCHJ-XZXLULOTSA-N α-Tocotrienol Chemical compound OC1=C(C)C(C)=C2O[C@@](CC/C=C(C)/CC/C=C(C)/CCC=C(C)C)(C)CCC2=C1C RZFHLOLGZPDCHJ-XZXLULOTSA-N 0.000 description 6
- 239000011730 α-tocotrienol Substances 0.000 description 6
- GZIFEOYASATJEH-VHFRWLAGSA-N δ-tocopherol Chemical compound OC1=CC(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 GZIFEOYASATJEH-VHFRWLAGSA-N 0.000 description 6
- OTXNTMVVOOBZCV-YMCDKREISA-N gamma-Tocotrienol Natural products Oc1c(C)c(C)c2O[C@@](CC/C=C(\CC/C=C(\CC/C=C(\C)/C)/C)/C)(C)CCc2c1 OTXNTMVVOOBZCV-YMCDKREISA-N 0.000 description 5
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- GZIFEOYASATJEH-UHFFFAOYSA-N D-delta tocopherol Natural products OC1=CC(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 GZIFEOYASATJEH-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
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- -1 hydrocarbon saturated tocotrienol Chemical class 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 150000003612 tocotrienol derivatives Chemical class 0.000 description 3
- 125000003036 tocotrienol group Chemical group 0.000 description 3
- 125000000255 β-tocotrienol group Chemical group 0.000 description 3
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- 101000735431 Homo sapiens Terminal nucleotidyltransferase 4A Proteins 0.000 description 2
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 2
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- QUEDXNHFTDJVIY-DQCZWYHMSA-N γ-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-DQCZWYHMSA-N 0.000 description 2
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- DFUSDJMZWQVQSF-XLGIIRLISA-N (2r)-2-methyl-2-[(4r,8r)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-ol Chemical class OC1=CC=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 DFUSDJMZWQVQSF-XLGIIRLISA-N 0.000 description 1
- YYGNTYWPHWGJRM-UHFFFAOYSA-N (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCCC=C(C)CCC=C(C)CCC=C(C)C YYGNTYWPHWGJRM-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/88—Liliopsida (monocotyledons)
- A61K36/889—Arecaceae, Palmae or Palmaceae (Palm family), e.g. date or coconut palm or palmetto
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/105—Plant extracts, their artificial duplicates or their derivatives
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/15—Vitamins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
- A61K31/352—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom condensed with carbocyclic rings, e.g. methantheline
- A61K31/353—3,4-Dihydrobenzopyrans, e.g. chroman, catechin
- A61K31/355—Tocopherols, e.g. vitamin E
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/88—Liliopsida (monocotyledons)
- A61K36/899—Poaceae or Gramineae (Grass family), e.g. bamboo, corn or sugar cane
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
- C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
Description
a.トコトリエノールリッチ画分(TRF)供給材料をアルコールに溶解する工程;
b.アルコール不溶性成分をトコトリエノールリッチ画分1(TRF1)溶液から除去する工程;
c.水をTRF1溶液に添加し、トコトリエノールリッチ画分2(TRF2)をトコトリエノールリッチ画分3(TRF3)飽和溶液から除去する工程;
d.TRF3の含水アルコール溶液を炭化水素溶媒で飽和する工程;
e.追加の炭化水素のアリコートを添加して、TRF3を炭化水素飽和含水アルコール溶液から抽出することによって、トコトリエノールリッチ画分4(TRF4)の炭化水素溶媒溶液及びトコトリエノールリッチ画分5(TRF5)を得る工程;
f.工程(e)で得られたTRF5溶液からTRF4溶液を分離する工程;
g.工程(f)で得られたTRF4溶液の蒸留によって、TRF4を得る工程;
h.工程(f)で得られたTRF5溶液から含水アルコールを更なる蒸留によって部分除去して、トコトリエノールリッチ画分6(TRF6)飽和溶液及びトコトリエノールリッチ画分7(TRF7)を得る工程;
i.上記工程(h)で得られたTRF6飽和溶液に炭化水素溶媒を追加して、トコトリエノールリッチ画分8(TRF8)及び高極性のモノアシルグリセロール抽残液を得る工程;及び
j.TRF7及びTRF8中の溶媒残渣を蒸留によって除去する工程。
Claims (21)
- トコトリエノールリッチ画分(TRF)供給材料の溶媒抽出及び分画のプロセスによって、TRF供給材料のα−トコフェロール含有量を低減又は除去すること及び/又はビタミンE濃縮物中のβ−及びδ−トコトリエノール含有量を増大することを特徴とし、
ビタミンE濃縮物中のα−トコフェロールを低減又は除去し、β−及びδ−トコトリエノール含有量を増大するための、溶媒抽出及び分画の前記プロセスは、
a.トコトリエノールリッチ画分(TRF)供給材料をメタノールに溶解する工程;
b.工程aで得られたメタノール溶液から、メタノール不溶性成分を除去することで、トコトリエノールリッチ画分1(TRF1)を得る工程;
c.水をTRF1溶液に添加し、TRF1溶液からトコトリエノールリッチ画分2(TRF2)を除去することで、トコトリエノールリッチ画分3(TRF3)飽和溶液を得る工程;
d.TRF3の含水メタノール溶液を炭化水素溶媒で飽和する工程;
e.追加の炭化水素のアリコートを添加して、TRF3を炭化水素飽和含水メタノール溶液から抽出することによって、トコトリエノールリッチ画分4(TRF4)の炭化水素溶媒溶液及びトコトリエノールリッチ画分5(TRF5)を得る工程;
f.工程(e)で得られたTRF5溶液からTRF4溶液を分離する工程;
g.工程(f)で得られたTRF4溶液の蒸留によって、TRF4を得る工程;
h.工程(f)で得られたTRF5溶液から含水メタノールを更なる蒸留によって部分除去して、トコトリエノールリッチ画分6(TRF6)飽和溶液及びトコトリエノールリッチ画分7(TRF7)を得る工程;
i.前記工程(h)で得られたTRF6飽和溶液に炭化水素溶媒を追加して、トコトリエノールリッチ画分8(TRF8)及び高極性のモノアシルグリセロール抽残液を得る工程;及び
j.TRF7及びTRF8中の溶媒残渣を蒸留によって除去する工程。
という工程を含むプロセスに前記TRF供給材料を供することを特徴とする、TRF中のビタミンEの組成を変更するためのプロセス。 - 使用する前記トコトリエノールリッチ画分(TRF)供給材料は、パーム油若しくはパーム脂肪酸留出物又は米ぬか油から誘導されることを特徴とする、請求項1に記載のプロセス。
- α−トコフェロールを含有する前記トコトリエノールリッチ画分は、パーム油若しくはパーム脂肪酸留出物又は米ぬか油以外から誘導されることを特徴とする、請求項1に記載のプロセス。
- 添加する水の量は、メタノールと水の比が10:1(v/v)から15:1(v/v)であることを特徴とする、請求項1に記載のプロセス。
- 使用する前記炭化水素溶媒は、n−ヘキサン、ヘキサン若しくはn−ヘプタン又はこれらの炭化水素溶媒のうちの2種以上の混合物であることを特徴とする、請求項1に記載のプロセス。
- 前記トコトリエノールリッチ画分3(TRF3)は、炭化水素溶媒の複数のアリコートで抽出されることを特徴とする、請求項1又は5に記載のプロセス。
- 前記トコトリエノールリッチ画分2(TRF2)は、供給材料(トコトリエノールリッチ画分)としてリサイクルできることを特徴とする、請求項1〜3のうちいずれか一項に記載のプロセス。
- 前記トコトリエノールリッチ画分4(TRF4)又はトコトリエノールリッチ画分4(TRF4)の複数部分は、供給材料(トコトリエノールリッチ画分)としてリサイクルできることを特徴とする、請求項1〜3のうちいずれか一項に記載のプロセス。
- 前記トコトリエノールリッチ画分4(TRF4)は、全トコトリエノール含有量が高められた及び/又は広範囲のトコトリエノール生成物組成を有するトコトリエノール生成物であり、かつ出発供給材料としてリサイクルできることを特徴とする、請求項1に記載のプロセス。
- 前記TRF7及び/又はTRF8は、全トコトリエノール含有量が高められた、α−トコフェロール含有量が低減された、及び/又はβ−及びδ−トコトリエノール含有量が高められた、広範囲のトコトリエノール生成物を提供することを特徴とする、請求項1に記載のプロセス。
- 前記トコトリエノール生成物は、α−トコフェロール含有量が、全ビタミンE含有量の7重量%未満であることを特徴とする、請求項10に記載のプロセス。
- 前記トコトリエノール生成物は、δ−トコトリエノール含有量が、全ビタミンE含有量の29重量%を超えることを特徴とする、請求項10に記載のプロセス。
- 前記トコトリエノールリッチ画分(TRF)からのメタノール不溶性成分としてモノアシルグリセロール、トリアシルグリセロール及びジアシルグリセロールの除去を特徴とする、請求項1に記載のプロセス。
- 含水メタノールは、メタノール不溶性物質の除去の直後に、モノアシルグリセロールを除去するために使用されることを特徴とする、請求項13に記載のプロセス。
- 前記トコトリエノール生成物は、臨床用途を有することを特徴とする、請求項11又は12に記載のプロセス。
- 室温及び大気圧下で実施することを特徴とする、請求項1に記載のプロセス。
- α−トコフェロールのn−ヘキサン相への優先的分画、並びにβ−及びδ−トコトリエノールのメタノール相への分画を増進するために、水を使用することを特徴とする、請求項1に記載のプロセス。
- TRF7及びTRF8又はこれらの混合画分は、α−トコフェロール含有量が低く、β−及びδ−トコトリエノール含有量が高く、かつ全トコトリエノール含有量が高い、主トコトリエノール生成物であることを特徴とする、請求項1に記載のプロセス。
- 含水メタノール及びn−ヘキサンの前記蒸留は、ロータリーエバポレーター又は薄膜流下式エバポレーター又は薄膜式エバポレーターを使用することによって、又は任意の好適な蒸留容器を減圧下で使用することによって実施されることを特徴とする、請求項1に記載のプロセス。
- メタノール不溶性物質の除去直後に又は除去なしで、前記モノアシルグリセロールを含水メタノールと共に除去することを特徴とする、請求項1に記載のプロセス。
- 前記TRF5溶液を、透明な溶液が乳白色に変わり、前記TRF6溶液のエマルションを上層として、及びTRF7を下層として形成するまで、不完全真空下で蒸留することを特徴とする、請求項1に記載のプロセス。
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