KR20010024579A - 감마 피론의 회수 방법 - Google Patents
감마 피론의 회수 방법 Download PDFInfo
- Publication number
- KR20010024579A KR20010024579A KR1020007004803A KR20007004803A KR20010024579A KR 20010024579 A KR20010024579 A KR 20010024579A KR 1020007004803 A KR1020007004803 A KR 1020007004803A KR 20007004803 A KR20007004803 A KR 20007004803A KR 20010024579 A KR20010024579 A KR 20010024579A
- Authority
- KR
- South Korea
- Prior art keywords
- maltol
- pyrone
- solution
- divinyl benzene
- exclusion
- Prior art date
Links
- 238000011084 recovery Methods 0.000 title description 6
- XPCTZQVDEJYUGT-UHFFFAOYSA-N 3-hydroxy-2-methyl-4-pyrone Chemical compound CC=1OC=CC(=O)C=1O XPCTZQVDEJYUGT-UHFFFAOYSA-N 0.000 claims abstract description 111
- HYMLWHLQFGRFIY-UHFFFAOYSA-N Maltol Natural products CC1OC=CC(=O)C1=O HYMLWHLQFGRFIY-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229940043353 maltol Drugs 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 55
- CVQUWLDCFXOXEN-UHFFFAOYSA-N Pyran-4-one Chemical compound O=C1C=COC=C1 CVQUWLDCFXOXEN-UHFFFAOYSA-N 0.000 claims abstract description 33
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical class C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000007717 exclusion Effects 0.000 claims abstract description 27
- YIKYNHJUKRTCJL-UHFFFAOYSA-N Ethyl maltol Chemical compound CCC=1OC=CC(=O)C=1O YIKYNHJUKRTCJL-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229940093503 ethyl maltol Drugs 0.000 claims abstract description 24
- 238000004587 chromatography analysis Methods 0.000 claims abstract description 19
- 230000005526 G1 to G0 transition Effects 0.000 claims abstract description 14
- 238000009826 distribution Methods 0.000 claims abstract description 14
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 14
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 11
- 238000010828 elution Methods 0.000 claims abstract description 10
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 7
- 230000009920 chelation Effects 0.000 claims abstract description 7
- 239000004793 Polystyrene Substances 0.000 claims abstract description 6
- 229920002223 polystyrene Polymers 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 150000002500 ions Chemical class 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 150000002431 hydrogen Chemical group 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010272 inorganic material Inorganic materials 0.000 claims description 5
- 239000003456 ion exchange resin Substances 0.000 claims description 5
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 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 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 239000011147 inorganic material Substances 0.000 claims description 3
- 239000011368 organic material Substances 0.000 claims description 3
- ZPSJGADGUYYRKE-UHFFFAOYSA-N 2H-pyran-2-one Chemical compound O=C1C=CC=CO1 ZPSJGADGUYYRKE-UHFFFAOYSA-N 0.000 claims 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 1
- 150000001768 cations Chemical class 0.000 claims 1
- NQBKFULMFQMZBE-UHFFFAOYSA-N n-bz-3-benzanthronylpyrazolanthron Chemical compound C12=CC=CC(C(=O)C=3C4=CC=CC=3)=C2C4=NN1C1=CC=C2C3=C1C1=CC=CC=C1C(=O)C3=CC=C2 NQBKFULMFQMZBE-UHFFFAOYSA-N 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 238000002425 crystallisation Methods 0.000 abstract description 8
- 230000008025 crystallization Effects 0.000 abstract description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 239000012535 impurity Substances 0.000 description 17
- 238000000926 separation method Methods 0.000 description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
- 239000003960 organic solvent Substances 0.000 description 8
- 235000002639 sodium chloride Nutrition 0.000 description 8
- -1 Trimethoxyfurfuryl alcohol Chemical compound 0.000 description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 239000012527 feed solution Substances 0.000 description 6
- 235000013305 food Nutrition 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 229920005990 polystyrene resin Polymers 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000013375 chromatographic separation Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- GXCLVBGFBYZDAG-UHFFFAOYSA-N N-[2-(1H-indol-3-yl)ethyl]-N-methylprop-2-en-1-amine Chemical compound CN(CCC1=CNC2=C1C=CC=C2)CC=C GXCLVBGFBYZDAG-UHFFFAOYSA-N 0.000 description 2
- 244000299461 Theobroma cacao Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 235000008429 bread Nutrition 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- UABXUIWIFUZYQK-UHFFFAOYSA-N 1-(furan-2-yl)ethanol Chemical compound CC(O)C1=CC=CO1 UABXUIWIFUZYQK-UHFFFAOYSA-N 0.000 description 1
- RDXPZEOZOFBBAJ-UHFFFAOYSA-N 3-(furan-2-yl)propan-1-ol Chemical compound OCCCC1=CC=CO1 RDXPZEOZOFBBAJ-UHFFFAOYSA-N 0.000 description 1
- 241000234282 Allium Species 0.000 description 1
- 235000002732 Allium cepa var. cepa Nutrition 0.000 description 1
- 240000002234 Allium sativum Species 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 244000298479 Cichorium intybus Species 0.000 description 1
- 235000007542 Cichorium intybus Nutrition 0.000 description 1
- 235000016623 Fragaria vesca Nutrition 0.000 description 1
- 240000009088 Fragaria x ananassa Species 0.000 description 1
- 235000011363 Fragaria x ananassa Nutrition 0.000 description 1
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
- 241000218652 Larix Species 0.000 description 1
- 235000005590 Larix decidua Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- ZEGRKMXCOCRTCS-UHFFFAOYSA-N Poppy acid Chemical compound OC(=O)C1=CC(=O)C(O)=C(C(O)=O)O1 ZEGRKMXCOCRTCS-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 235000005764 Theobroma cacao ssp. cacao Nutrition 0.000 description 1
- 235000005767 Theobroma cacao ssp. sphaerocarpum Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005377 adsorption chromatography Methods 0.000 description 1
- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 235000015173 baked goods and baking mixes Nutrition 0.000 description 1
- 235000001046 cacaotero Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000003804 extraction from natural source Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 235000004611 garlic Nutrition 0.000 description 1
- 235000011868 grain product Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- HPIGCVXMBGOWTF-UHFFFAOYSA-N isomaltol Natural products CC(=O)C=1OC=CC=1O HPIGCVXMBGOWTF-UHFFFAOYSA-N 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- LIVNCPMCQTZXRZ-UHFFFAOYSA-N meconic acid Natural products CC(=O)C1=CC(=O)C(O)=C(C(C)=O)O1 LIVNCPMCQTZXRZ-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LPUQAYUQRXPFSQ-DFWYDOINSA-M monosodium L-glutamate Chemical compound [Na+].[O-]C(=O)[C@@H](N)CCC(O)=O LPUQAYUQRXPFSQ-DFWYDOINSA-M 0.000 description 1
- 235000013923 monosodium glutamate Nutrition 0.000 description 1
- 239000004223 monosodium glutamate Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- UCSJYZPVAKXKNQ-HZYVHMACSA-N streptomycin Chemical class CN[C@H]1[C@H](O)[C@@H](O)[C@H](CO)O[C@H]1O[C@@H]1[C@](C=O)(O)[C@H](C)O[C@H]1O[C@@H]1[C@@H](NC(N)=N)[C@H](O)[C@@H](NC(N)=N)[C@H](O)[C@H]1O UCSJYZPVAKXKNQ-HZYVHMACSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- 239000002023 wood Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
- C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Saccharide Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (20)
- 이온 배제, 크기 배제, 소수성 분배, 킬레이트화 및 이들의 조합으로 이루어진 군으로부터 선택된 방법에 의해 다른 물질의 일부 또는 전부로부터 γ-피론을 분리시키는 용리 크로마토그래피로 용액을 처리하는 것을 포함하여 γ-피론 이외에 다른 물질을 함유하는 용액 중에서 하기 화학식의 γ-피론을 정제시키는 방법:상기 식에서,R은 수소, 탄소 원자수 1 내지 4의 알킬, 페닐 또는 벤질이고,R"는 수소 또는 탄소 원자수 1 내지 4의 알킬이다.
- 제 1 항에 있어서, 크로마토그래피 처리가 이온 배제 및 크기 배제의 조합을 포함함을 특징으로 하는 방법.
- 제 1 항에 있어서, 크로마토그래피 처리가 이온 배제 및 소수성 분배의 조합을 포함함을 특징으로 하는 방법.
- 제 1 항에 있어서, 크로마토그래피 처리가 크기 배제 및 소수성 분배의 조합을 포함함을 특징으로 하는 방법.
- 제 1 항에 있어서, 크로마토그래피 처리가 이온 배제, 크기 배제 및 소수성 분배의 조합을 포함함을 특징으로 하는 방법.
- 제 1 항에 있어서, 크로마토그래피 처리가 고정상으로 양이온 교환 수지를 사용함을 특징으로 하는 방법.
- 제 6 항에 있어서, 양이온 교환 수지가 술폰화된 디비닐 벤젠 가교된 폴리스티렌을 포함함을 특징으로 하는 방법.
- 제 7 항에 있어서, 수지가 약 3% 내지 약 35%의 디비닐 벤젠을 포함함을 특징으로 하는 방법.
- 제 8 항에 있어서, 수지가 약 5% 내지 약 10%의 디비닐 벤젠을 포함함을 특징으로 하는 방법.
- 제 7 항에 있어서, 약 0 내지 약 150℃의 온도 및 약 0.1 내지 약 200바아의 압력에서 수행됨을 특징으로 하는 방법.
- 제 10 항에 있어서, 약 60 내지 약 100℃의 온도 및 약 1 내지 약 10바아의 압력에서 수행됨을 특징으로 하는 방법.
- 제 1 항에 있어서, γ-피론이 말톨, 에틸 말톨 및 이들의 혼합물로 이루어진 군으로부터 선택됨을 특징으로 하는 방법.
- 제 12 항에 있어서, γ-피론이 말톨, 에틸 말톨 및 이들의 혼합물로 이루어진 군으로부터 선택됨을 특징으로 하는 방법.
- 이온 배제, 크기 배제 및 소수성 분배를 동시에 사용하여 다른 물질의 일부 또는 전부로부터 피론을 분리시키는 고정상을 사용하는 용리 크로마토그래피로 용액을 처리하는 것을 포함하여 γ-피론 이외에 다른 물질을 함유하는 용액 중에서 하기 화학식의 γ-피론을 정제시키는 방법:상기 식에서,R은 수소, 탄소 원자수 1 내지 4의 알킬, 페닐 또는 벤질이고,R"는 수소 또는 탄소 원자수 1 내지 4의 알킬이다.
- 제 14 항에 있어서, R이 H이고, R"가 알킬기임을 특징으로 하는 방법.
- 제 14 항에 있어서, 고정상이 양이온 교환 수지를 포함함을 특징으로 하는 방법.
- 제 16 항에 있어서, 양이온 교환 수지가 약 3% 내지 약 35% 비닐 벤젠을 함유하는 술폰화된 디비닐 벤젠 가교된 폴리스티렌을 포함하고, 이러한 처리가 약 0℃ 내지 약 150℃의 온도 및 약 0.1 내지 약 200 바아의 압력에서 수행됨을 특징으로 하는 방법.
- 제 17 항에 있어서, 처리가 약 60℃ 내지 약 150℃의 온도 및 약 1 내지 약 10 바아의 압력에서 수행됨을 특징으로 하는 방법.
- 이온 배제, 크기 배제 및 소수성 분배를 동시에 사용하여 다른 물질의 일부 또는 전부로부터 피론을 분리시키는 고정상을 사용하는 용리 크로마토그래피로 용액을 처리하는 것을 포함하여 γ-피론이외에 다른 유기 및 무기 물질을 함유하는 수용액 중에서 말톨, 에틸 말톨 및 이들의 혼합물로 이루어진 군으로부터 선택된 하기 화학식의 γ-피론을 정제시키는 방법에 있어서, 고정상이 나트륨 형으로 약 3% 내지 약 35%의 디비닐 벤젠을 함유하는 나트륨 형의 술폰화된 디비닐 벤젠 가교된 폴리스티렌을 포함하는 양이온 이온 교환 수지임을 특징으로 하는 방법.
- 제 19 항에 있어서, 수지가 약 5% 내지 약 10%의 디비닐 벤젠을 함유하고, 이러한 처리가 약 60 내지 약 100℃의 온도 및 약 1 내지 약 10바의 압력에서 수행됨을 특징으로 하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/963,341 | 1997-11-03 | ||
US08/963,341 US5939565A (en) | 1997-11-03 | 1997-11-03 | Recovery of γ-pyrones |
PCT/US1998/023333 WO1999023089A1 (en) | 1997-11-03 | 1998-11-03 | Recovery of gamma-pyrones |
Publications (1)
Publication Number | Publication Date |
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KR20010024579A true KR20010024579A (ko) | 2001-03-26 |
Family
ID=25507102
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Application Number | Title | Priority Date | Filing Date |
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KR1020007004803A KR20010024579A (ko) | 1997-11-03 | 1998-11-03 | 감마 피론의 회수 방법 |
Country Status (5)
Country | Link |
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US (1) | US5939565A (ko) |
KR (1) | KR20010024579A (ko) |
CN (1) | CN1277608A (ko) |
AU (1) | AU1208799A (ko) |
WO (1) | WO1999023089A1 (ko) |
Families Citing this family (6)
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DE19858892A1 (de) * | 1998-12-19 | 2000-06-21 | Merck Patent Gmbh | Kontinuierliches Verfahren zur Trennung von Stoffen nach Molekülgröße |
EP2221396A1 (en) * | 2008-12-31 | 2010-08-25 | Rohm and Haas Electronic Materials LLC | Lead-Free Tin Alloy Electroplating Compositions and Methods |
CN104387355B (zh) * | 2014-09-27 | 2016-06-08 | 安徽金禾实业股份有限公司 | 一种乙基麦芽酚结晶母液回收方法 |
US20190210341A1 (en) * | 2016-08-19 | 2019-07-11 | Bemis Company, Inc. | 4-pyranone based antioxidant packaging films |
US10881983B2 (en) * | 2019-09-18 | 2021-01-05 | The Winning Combination | Method for extraction of ethyl maltol from passion flower |
CN112574156A (zh) * | 2020-12-11 | 2021-03-30 | 安徽金禾实业股份有限公司 | 一种乙基麦芽酚升华后粗品反萃取提纯方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3130204A (en) * | 1962-02-07 | 1964-04-21 | Pfizer & Co C | Preparation of gamma-pyrones |
US4323506A (en) * | 1976-08-02 | 1982-04-06 | Pfizer Inc. | Preparation of gamma-pyrones |
US4082717A (en) * | 1976-08-02 | 1978-04-04 | Pfizer Inc. | Preparation of gamma-pyrones |
IN157629B (ko) * | 1976-09-09 | 1986-05-10 | Pfizer | |
JPS5557582A (en) * | 1978-10-23 | 1980-04-28 | Meiji Seika Kaisha Ltd | Purification of pyrone derivative |
US4387235A (en) * | 1979-09-04 | 1983-06-07 | Pfizer Inc. | Intermediates for the preparation of gamma-pyrones |
US5221756A (en) * | 1992-02-21 | 1993-06-22 | Florasynth, Inc. | Method for the recovery and purification of maltol |
US5641489A (en) * | 1994-02-03 | 1997-06-24 | Florasynth Inc. | Extracting maltol and water from naturally occurring plant material containing maltol and water |
US5763626A (en) * | 1994-04-29 | 1998-06-09 | Cultor Ltd. | Maltol recovery |
US5646312A (en) * | 1996-01-03 | 1997-07-08 | Florasynth, Inc. | Process of aqueous extraction of maltol |
-
1997
- 1997-11-03 US US08/963,341 patent/US5939565A/en not_active Expired - Lifetime
-
1998
- 1998-11-03 WO PCT/US1998/023333 patent/WO1999023089A1/en not_active Application Discontinuation
- 1998-11-03 KR KR1020007004803A patent/KR20010024579A/ko not_active Application Discontinuation
- 1998-11-03 AU AU12087/99A patent/AU1208799A/en not_active Abandoned
- 1998-11-03 CN CN98810588A patent/CN1277608A/zh active Pending
Also Published As
Publication number | Publication date |
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AU1208799A (en) | 1999-05-24 |
WO1999023089A1 (en) | 1999-05-14 |
CN1277608A (zh) | 2000-12-20 |
US5939565A (en) | 1999-08-17 |
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