JP7217164B2 - 熱安定性の高いヒマワリ油 - Google Patents
熱安定性の高いヒマワリ油 Download PDFInfo
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- JP7217164B2 JP7217164B2 JP2019021732A JP2019021732A JP7217164B2 JP 7217164 B2 JP7217164 B2 JP 7217164B2 JP 2019021732 A JP2019021732 A JP 2019021732A JP 2019021732 A JP2019021732 A JP 2019021732A JP 7217164 B2 JP7217164 B2 JP 7217164B2
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- 239000005642 Oleic acid Substances 0.000 claims description 47
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- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 45
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- 235000019149 tocopherols Nutrition 0.000 claims description 42
- QUEDXNHFTDJVIY-UHFFFAOYSA-N γ-tocopherol Chemical class OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-UHFFFAOYSA-N 0.000 claims description 42
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- GVJHHUAWPYXKBD-UHFFFAOYSA-N d-alpha-tocopherol Natural products OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims description 37
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- 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 description 35
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- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims description 32
- 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 claims description 32
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- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 13
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- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 claims description 12
- 235000020778 linoleic acid Nutrition 0.000 claims description 12
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 235000021319 Palmitoleic acid Nutrition 0.000 claims description 11
- SECPZKHBENQXJG-UHFFFAOYSA-N cis-palmitoleic acid Natural products CCCCCCC=CCCCCCCCC(O)=O SECPZKHBENQXJG-UHFFFAOYSA-N 0.000 claims description 11
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- 239000000126 substance Substances 0.000 description 4
- 150000003789 δ-tocopherols Chemical class 0.000 description 4
- 240000007594 Oryza sativa Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
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- 235000019197 fats Nutrition 0.000 description 3
- 235000019387 fatty acid methyl ester Nutrition 0.000 description 3
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- 150000003785 γ-tocopherols Chemical class 0.000 description 3
- SEBPXHSZHLFWRL-UHFFFAOYSA-N 3,4-dihydro-2,2,5,7,8-pentamethyl-2h-1-benzopyran-6-ol Chemical group O1C(C)(C)CCC2=C1C(C)=C(C)C(O)=C2C SEBPXHSZHLFWRL-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 240000002791 Brassica napus Species 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
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- WGVKWNUPNGFDFJ-UHFFFAOYSA-N β-tocopherol group Chemical group CC1(OC2=C(C=C(C(=C2CC1)C)O)C)CCCC(CCCC(CCCC(C)C)C)C WGVKWNUPNGFDFJ-UHFFFAOYSA-N 0.000 description 2
- 150000003781 β-tocopherols Chemical class 0.000 description 2
- 125000003810 γ-tocopherol group Chemical group 0.000 description 2
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
- 235000011293 Brassica napus Nutrition 0.000 description 1
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- 244000020551 Helianthus annuus Species 0.000 description 1
- 238000011993 High Performance Size Exclusion Chromatography Methods 0.000 description 1
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- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
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- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
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- 238000006460 hydrolysis reaction Methods 0.000 description 1
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- 238000006317 isomerization reaction Methods 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
- 125000001189 phytyl group Chemical group [H]C([*])([H])/C([H])=C(C([H])([H])[H])/C([H])([H])C([H])([H])C([H])([H])[C@@](C([H])([H])[H])([H])C([H])([H])C([H])([H])C([H])([H])[C@@](C([H])([H])[H])([H])C([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])([H])C([H])([H])[H] 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/007—Other edible oils or fats, e.g. shortenings, cooking oils characterised by ingredients other than fatty acid triglycerides
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H5/00—Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
- A01H5/10—Seeds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H6/00—Angiosperms, i.e. flowering plants, characterised by their botanic taxonomy
- A01H6/14—Asteraceae or Compositae, e.g. safflower, sunflower, artichoke or lettuce
- A01H6/1464—Helianthus annuus [sunflower]
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/158—Fatty acids; Fats; Products containing oils or fats
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/003—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fatty acids with alcohols
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1011—Biomass
- C10G2300/1014—Biomass of vegetal origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Physiology (AREA)
- Environmental Sciences (AREA)
- Food Science & Technology (AREA)
- Developmental Biology & Embryology (AREA)
- Botany (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Edible Oils And Fats (AREA)
- Fats And Perfumes (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Lubricants (AREA)
- Fodder In General (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
- Medicines Containing Plant Substances (AREA)
Description
18:1 =オレイン酸; 18:2=リノール酸
2寒冷環境下および温暖環境下でそれぞれ得られた標準的ヒマワリのデータ
3著者によって提供されたものではないデータ
a)飽和脂肪酸含量が高いこと。種子の油中、脂肪酸を飽和脂肪酸の形態、すなわちパルミチン酸(16:0)およびステアリン酸(18:0)の両方の形態で15%~45%有するヒマワリ系統は幾つか存在する。2種類の系統を用いた:1)高ステアリン系統、すなわちステアリン酸含量が当該種子の油中、全脂肪酸の15%~45%のもの、および2)高パルミチン系統、すなわちパルミチン酸含量が当該種子の油中、全脂肪酸の15%~45%であって、パルミトレイン酸(16:1)含量が当該種子の油中、全脂肪酸の5%~15%のもの。
1)「飽和脂肪酸の含量が高い」特徴と「オレイン酸の含量が高い」特徴の組換え
飽和脂肪酸(パルミチン酸およびステアリン酸)含量が高い系統と、オレイン酸含量が高い系統との間で、制御交雑(controlled crossbreedings)を行い、F1雑種種子を得た。この種子を生長させ、対応する植物を自花受精させてF2種子を得たところ、当該種子は両方の特徴に対して分離(segregation)を示した。個々の特徴のそれぞれは、ほとんどが劣性の1-3遺伝子によって制御されるため、求める特徴、すなわち高い飽和脂肪酸含量と高いオレイン酸含量という特徴を併有する種子を得るためには、各々の交雑あたり平均100個のF2種子を分析する必要があった。当該2つの特徴が組み合わされた種子の発生頻度は低いため、当該2つの特徴が組み合わされた種子を十分な数で得るためには、各々の交雑あたり平均2000個の種子を分析する必要があった。
この第2工程では、先の工程1)で得られた高い飽和脂肪酸含量(油中に存在する全脂肪酸の15~45%)および高いオレイン酸含量(油中に存在する全脂肪酸の45~75%)を組み換えた植物、ならびにガンマ-トコフェロールとデルタ-トコフェロールの合計含量が高い(種子中に存在する全トコフェロールの85%よりも多い)植物を用いた。
5.1 「飽和脂肪酸含量が高い」特徴および「オレイン酸含量が高い」特徴の組換え
油中のパルミチン酸含量が高く(全脂肪酸の15%よりも多い)、かつ化学的な突然変異誘発によって発育させたヒマワリ系統NP-40、および油中のオレイン酸含量が高い(全脂肪酸の85%よりも多い)ヒマワリ系統BSD-2-423のそれぞれについて、48個の種子を無作為に取り出し、個々の種子のそれぞれについて油中の酸の組成または分布を分析した。分析後に種子は生長できなければならないために、種子の分析は破壊的であってはならないので、当該分析はハーフ種子法(half seed process)によって行った。当該方法は、裁断が種子の生長能に影響を及ぼさないように、胚に対して種子末端の少量部分を裁断することからなる。その後、裁断部分はその脂肪酸分布について、脂肪酸のメチルエステルのガスクロマトグラフィーにより分析し(アール・ガーシェス(R. Garces)およびエム・マンチャ(M. Mancha)、「新鮮な植物組織からの一段階での脂質の抽出と脂肪酸メチルエステルの調製」、分析生化学(Analytical Biochemistry)、第211巻:第139-143頁、1993年)、胚を含む当該種子の残りは、生長が当該分析結果に依存して起こる最適条件にて貯蔵する。
先の工程で得られたF3種子であって、高パルミチン酸含量(15%よりも多い)と高オレイン酸含量(45%よりも多い)とが組み合わされた種子を48個取り出し、当該種子と、ガンマ-トコフェロール含量が高い(85%よりも多い)T2100系統の48個の種子とのそれぞれについて、油中の酸組成または分布およびトコフェロール組成または分布の両方を分析した。この分析は上記したハーフ種子法により行った。種子の裁断部分を2つに分け、一方の1/2では脂肪酸のメチルエステルのガスクロマトグラフィー(アール・ガーシェス(R. Garces)およびエム・マンチャ(M. Mancha)、1993年、上記の文献)により脂肪酸分布を分析し、他方の1/2では高性能液体クロマトグラフィー-HPLC(エフ・ゴッフマン(F. Goffman)等、「なたね(バルシカ・ナプス・エル(Brassica napus L.))の単一種子におけるトコフェロールの定量的測定」、フェット(Fett)/リピッド(Lipid)、第101巻、第142-145頁、1999年)によりトコフェロール分布を分析した。
150gのF3種子を用い、石油エーテル(沸点40~60℃)およびソックスレー抽出系により、スペイン標準化協会による方法(標準カタログ、マドリッド、1991年)に従って油を抽出した。油中の脂肪酸およびトコフェロール組成について分析し、その結果、29.2%のパルミチン酸、7.5%のパルミトレイン酸、1.7%のステアリン酸、52.4%のオレイン酸、および4.2%のリノール酸からなる脂肪酸組成、ならびに2.4%のアルファ-トコフェロール、96.4%のガンマ-トコフェロールおよび1.2%のデルタ-トコフェロールからなるトコフェロール画分の組成を得た。
a)様々な種類のヒマワリ油における油安定性指数(OSI)の測定
米国オイル化学者協会(米国オイル化学者協会の公式方法および推奨する方法、第4版、AOCS、シャンペーン、イリノイ州、米国、1994年)の標準プロトコルに従って、以下の種類のヒマワリ油について、110℃で10時間加熱した後、油安定性指数(OSI)を測定した。
油1:標準ヒマワリ油(標準的な脂肪酸およびトコフェロール分布)
油2:オレイン酸含量が高く、かつトコフェロール分布が標準的な油
油3:パルミチン酸含量が高く、オレイン酸含量が高く、かつトコフェロール分布が標準的な油
油4:パルミチン酸含量が高く、オレイン酸含量が高く、かつトコフェロール分布が改良された(ガンマ-トコフェロール含量が高い)本発明の油。
bA-T=アルファ-トコフェロール; B-T=ベータ-トコフェロール; G-T=ガンマ-トコフェロール; D-T=デルタ-トコフェロール
油中において既に改良された脂肪酸分布におけるトコフェロール分布改良の相乗効果を検討するために、a)欄で記載の油3および油4を長時間(25時間)の高温(180℃)に付し、油の熱的酸化分解に直接的に関係する以下のパラメータを測定した:
-極性化合物の形成は油の総重量に対する割合(%)で表し、エム・シー・ドバーガンス(M.C. Dobarganes)等によって記述された方法に従って測定した(「加熱された脂肪および非加熱の脂肪における極性化合物の高性能サイズ排除クロマトグラフィー」、ファット・サイエンス・アンド・テクノロジー(Fat Science and Technology)、第90巻、第308-311頁、1988年)。
-ポリマーの形成は油の総重量に対する割合%で表し、国際純正応用化学連合(IUPAC、上記の研究)の標準的方法に従って測定した。
結果を表3に示す。
b初期濃度(0)および上記条件で加熱25時間後に得られた濃度(25)を示す。
Claims (11)
- 飽和脂肪酸であるパルミチン酸およびステアリン酸の含量が油中に存在する全脂肪酸の15~30.9重量%であり、オレイン酸含量が油中に存在する全脂肪酸の45~52.4重量%であり、ガンマ-トコフェロールおよびデルタ-トコフェロールの合計含量が油中に存在する全トコフェロールの85重量%超97.6重量%以下である、熱安定性の高いヒマワリ油であって、該ヒマワリ油が、
15~45重量%の高いステアリン酸含量または15~45重量%の高いパルミチン酸含量を有するヒマワリ系統と、85~95重量%の高いオレイン酸含量を有するヒマワリ系統との交雑を行ってF1雑種種子を得ること、
対応する植物を自花受精させてF2種子を得、前記F2種子から、高い脂肪酸含量と高いオレイン酸含量の組合せを有する種子を選択すること、
次いで、ガンマ-トコフェロールおよびデルタ-トコフェロールの合計含量が85重量%より多いヒマワリ系統と、前記種子との交雑を行ってF1雑種種子を得ること、
対応する植物を自花受精させてF2種子を得、高い脂肪酸含量、高いオレイン酸含量、並びに高いガンマ-トコフェロールおよびデルタ-トコフェロールの合計含量を有する種子を持つ植物を選択すること、
を含む方法により交雑されてなるヒマワリの種子から抽出されてなる、該ヒマワリ油。 - アルファ-トコフェロールの含量が該油中に存在する全トコフェロールの15重量%未満である、請求項1に記載の熱安定性の高いヒマワリ油。
- パルミチン酸の含量が該油中に存在する全脂肪酸の15重量%超29.2重量%以下である、請求項1に記載の熱安定性の高いヒマワリ油。
- パルミチン酸の含量が該油中に存在する全脂肪酸の25重量%超29.2重量%以下である、請求項1に記載の熱安定性の高いヒマワリ油。
- ガンマ-トコフェロールの含量が該油中に存在する全トコフェロールの85重量%超96.4重量%以下である、請求項1に記載の熱安定性の高いヒマワリ油。
- ガンマ-トコフェロールの含量が該油中に存在する全トコフェロールの95重量%超96.4重量%以下である、請求項1に記載の熱安定性の高いヒマワリ油。
- パルミトレイン酸の含量が該油中に存在する全脂肪酸の5重量%超7.5重量%以下である、請求項1に記載の熱安定性の高いヒマワリ油。
- リノール酸の含量が該油中に存在する全脂肪酸の10重量%未満である、請求項1に記載の熱安定性の高いヒマワリ油。
- 全トコフェロールの含量が油1kgあたり500mgよりも多い、請求項1~8のいずれかに記載の熱安定性の高いヒマワリ油。
- 未精製油における温度110℃での10時間の誘導期の後、ランシマット型743装置(メトローム社製、ヘリザウ、スイス国)で測定された油安定性指数が35時間超49.5時間以下である、請求項1~9のいずれかに記載の熱安定性の高いヒマワリ油。
- 自花受精により、請求項1~10のいずれかに記載の脂肪酸およびトコフェロール特性を有する油を含有する種子を産生するヒマワリ植物(ヘリアンサス・アニュース・エル)。
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