JPWO2007086397A1 - Oil composition for improving lipid metabolism - Google Patents
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- 230000037356 lipid metabolism Effects 0.000 title claims abstract description 17
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- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
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- 206010020772 Hypertension Diseases 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
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- 238000001914 filtration Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
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- 238000005194 fractionation Methods 0.000 description 1
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- 235000015243 ice cream Nutrition 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
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- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 235000013310 margarine Nutrition 0.000 description 1
- 239000003264 margarine Substances 0.000 description 1
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- 150000004667 medium chain fatty acids Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000021281 monounsaturated fatty acids Nutrition 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
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Classifications
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- 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
- C11B7/00—Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils
- C11B7/0075—Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils by differences of melting or solidifying points
-
- 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
- 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
- A23L33/115—Fatty acids or derivatives thereof; Fats or oils
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Polymers & Plastics (AREA)
- Food Science & Technology (AREA)
- Mycology (AREA)
- Nutrition Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Edible Oils And Fats (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Fats And Perfumes (AREA)
Abstract
本発明の目的は、安全性の向上した体重増加抑制および体脂肪蓄積抑制ならびに血中および肝臓脂質中の中性脂質低減機能を有する脂質代謝改善用油脂組成物を提供することにある。構成する脂肪酸の組成においてS/Uが0.6〜2.5、C12/Uが0.4〜1.5であり、かつ構成するトリグリセリドの組成においてアシル基の炭素数合計が32〜36個であるトリグリセリドが全体の30%未満、アシル基の炭素数合計が42〜48個であるトリグリセリドを全体の35%以上含有する脂質代謝改善用油脂組成物。An object of the present invention is to provide an oil and fat composition for improving lipid metabolism, which has an improved safety and suppresses weight gain and body fat accumulation, and has a function of reducing neutral lipids in blood and liver lipids. S / U is 0.6 to 2.5 and C12 / U is 0.4 to 1.5 in the composition of the constituent fatty acid, and the total number of carbon atoms of the acyl group is 32 to 36 in the composition of the triglyceride that constitutes the fatty acid. The fat and oil composition for improving lipid metabolism, comprising less than 30% of the total triglyceride and 35% or more of the total triglyceride having the total acyl group carbon number of 42 to 48.
Description
本発明は、脂質代謝改善用油脂組成物に関するものである。 The present invention relates to an oil and fat composition for improving lipid metabolism.
近年食生活の欧米化に伴って、日本の食生活においては脂質摂取量が増加し、摂取エネルギーにおける脂質のシェアは50年前の3倍に達している。このことは肥満や、血中トリグリセリド(中性脂肪)値および血中コレステロール値の増加に由来する生活習慣病である高脂血症,糖尿病および高血圧と密接に関与しており,心疾患および脳血管疾患を誘発すると考えられている。動脈硬化と密接に関係しているため、これらの値を低く保つことは生活習慣病予防の面から特に大切であり、肥満予防には食事の量だけではなく、質の重要性が大切であると報告されている。しかし、油脂は食品の呈味に不可欠であり、しかも油脂は熱媒体としての調理上の機能もあり、摂取量を単純に減らすのは簡単ではないという問題があった。 In recent years, with the Westernization of dietary habits, the intake of lipids has increased in the dietary habits of Japan, and the share of lipids in intake energy has reached three times that of 50 years ago. This is closely related to obesity and lifestyle-related diseases such as hyperlipidemia, diabetes and hypertension resulting from increased blood triglyceride (triglyceride) and cholesterol levels. It is thought to induce vascular disease. Because these are closely related to arteriosclerosis, keeping these values low is particularly important in terms of preventing lifestyle-related diseases, and not only the amount of food but also the importance of quality is important in preventing obesity It is reported. However, fats and oils are indispensable for the taste of food, and the fats and oils also have a cooking function as a heat medium, and there is a problem that it is not easy to reduce the intake.
そのためこの改善策として、脂質代謝改善を目的とした様々な機能性食品・素材の開発が活発となっている。特許文献1〜4のような方法が提案され商品化されているが、いずれも天然の油脂とは言いがたいという欠点を有している。特に、特許文献1〜3にはジグリセリドを有効成分とする体脂肪蓄積が少ない油脂組成物が開示されているが、ジグリセリドを豊富に含む油脂組成物を食用として用いることへの安全性は、完全に証明されているわけではない。 For this reason, development of various functional foods and materials for the purpose of improving lipid metabolism has become active. Although the method of patent documents 1-4 is proposed and commercialized, all have the fault that it is hard to say that it is natural fats and oils. In particular, Patent Documents 1 to 3 disclose fat and oil compositions containing diglyceride as an active ingredient with little accumulation of body fat, but the safety of using fat and oil compositions rich in diglycerides as food is completely Is not proved to be.
本発明の目的は、安全性の向上した体重増加抑制および体脂肪蓄積抑制ならびに血中および肝臓脂質中の中性脂質低減機能を有する脂質代謝改善用油脂組成物を提供することにある。 An object of the present invention is to provide an oil and fat composition for improving lipid metabolism, which has an improved safety and suppresses weight gain and body fat accumulation, and has a function of reducing neutral lipids in blood and liver lipids.
本発明者等は上記の問題を解決するため鋭意研究の結果、意外にもラウリン酸を主とする飽和脂肪酸とオレイン酸を主とする長鎖一価不飽和脂肪酸の比率が特定の範囲内にあり、かつ特定のトリグリセリドの組成を有する油脂組成物が体重増加抑制および体脂肪蓄積抑制ならびに血中および肝臓脂質中の中性脂質低減機能を有することを見出し、本発明を完成するに至った。 As a result of intensive studies to solve the above problems, the present inventors have unexpectedly found that the ratio of saturated fatty acid mainly composed of lauric acid to long-chain monounsaturated fatty acid mainly composed of oleic acid is within a specific range. The present inventors have found that an oil and fat composition having a specific triglyceride composition has a function of suppressing weight gain and body fat accumulation, and a function of reducing neutral lipids in blood and liver lipids, thereby completing the present invention.
すなわち本発明は、
(1)構成する脂肪酸の組成においてS/Uが0.6〜2.5、C12/Uが0.4〜1.5であり、かつ構成するトリグリセリドの組成においてアシル基の炭素数合計が32〜36個であるトリグリセリドが全体の30%未満、アシル基の炭素数合計が42〜48個であるトリグリセリドを全体の35%以上含有する脂質代謝改善用油脂組成物。ただしS:メチルエステルとしての重量%で表した飽和脂肪酸含量の合計、U:メチルエステルとしての重量%で表した不飽和脂肪酸含量の合計。
(2)パーム核油を分別することによって得られる(1)記載の脂質代謝改善用油脂組成物。
(3)パーム核油を複数回分別することによって得られる(1)、(2)記載の脂質代謝改善用油脂組成物。
(4)パーム核油を乾式分別することによって得られる(1)、(2)記載の脂質代謝改善用油脂組成物。
である。That is, the present invention
(1) S / U is 0.6 to 2.5 and C12 / U is 0.4 to 1.5 in the composition of the fatty acid to be configured, and the total carbon number of the acyl group is 32 in the composition of the triglyceride to be configured. An oil / fat composition for improving lipid metabolism, comprising ~ 36 triglycerides less than 30% of the total and 35% or more of triglycerides having a total of 42 to 48 carbon atoms in the acyl group. However, S: Total saturated fatty acid content expressed in weight% as methyl ester, U: Total unsaturated fatty acid content expressed in weight% as methyl ester.
(2) The fat and oil composition for improving lipid metabolism according to (1), obtained by fractionating palm kernel oil.
(3) The fat and oil composition for improving lipid metabolism according to (1) and (2), which is obtained by fractionating palm kernel oil a plurality of times.
(4) The fat and oil composition for improving lipid metabolism according to (1) and (2), obtained by dry-separating palm kernel oil.
It is.
以上のように、構成する脂肪酸の組成においてS/Uが0.6〜2.5、C12/Uが0.4〜1.5であり、かつ構成するトリグリセリドの組成においてアシル基の炭素数合計が32〜36個であるトリグリセリドが全体の30%未満、アシル基の炭素数合計が42〜48個であるトリグリセリドを全体の35%以上含有する脂質代謝改善用油脂組成物は、体重増加抑制および体脂肪蓄積抑制用ならびに血中および肝臓脂質中の中性脂質を低減させることができる。 As mentioned above, S / U is 0.6 to 2.5 in the composition of the constituent fatty acid, C12 / U is 0.4 to 1.5, and the total carbon number of the acyl group in the constituent of the constituent triglyceride The fat and oil composition for improving lipid metabolism, comprising less than 30% of triglycerides having a total of 32 to 36 and 35% or more of triglycerides having a total of 42 to 48 carbon atoms in the acyl group, Neutral lipids for body fat accumulation suppression and blood and liver lipids can be reduced.
本発明の脂質代謝改善用油脂組成物は、通常油脂を含有する食品に広く使用することができる。例えばポーションクリームに代表される液体状のコーヒークリーム・マーガリン・マヨネーズ・ドレッシング・乳製品といった乳化食品、アイスクリームのような冷菓、チョコレートに代表される菓子類、パン類、スプレー油脂として使用してスナック菓子などに、あるいはハム・ソーセージ等の食肉加工品、かまぼこ・ちくわ等の水産加工食品などに添加して風味・食感を損なうことなく使用できる。 The fat composition for improving lipid metabolism of the present invention can be widely used for foods usually containing fats and oils. For example, emulsified foods such as liquid coffee cream, margarine, mayonnaise, dressing, dairy products represented by potion cream, frozen confections such as ice cream, confectionery represented by chocolate, breads, and snack confectionery. Or added to processed meat products such as ham and sausage, fishery processed foods such as kamaboko and chikuwa, etc., without sacrificing flavor and texture.
本発明の脂質代謝改善用油脂組成物は、体重増加抑制および体脂肪蓄積抑制用ならびに血中および肝臓脂質中の中性脂質を低減させる効果を有する。 The oil and fat composition for improving lipid metabolism of the present invention has an effect of suppressing weight gain and body fat accumulation, and reducing neutral lipids in blood and liver lipids.
本発明の油脂組成物は、構成する脂肪酸の組成においてS/Uが0.6〜2.5であり、かつC12/Uが0.4〜1.5であり、かつ構成するトリグリセリドの組成においてアシル基の炭素数合計が32〜36個であるトリグリセリドが全体の30%未満であり、かつアシル基の炭素数合計が42〜48個であるトリグリセリドを全体の35%以上含有することが必要である。 The oil / fat composition of the present invention has an S / U of 0.6 to 2.5 and a C12 / U of 0.4 to 1.5 in the composition of the constituent fatty acid and the composition of the triglyceride to be formed. It is necessary that the total number of triglycerides in which the total number of carbon atoms in the acyl group is 32 to 36 is less than 30% and the total number of triglycerides in which the total number of carbon atoms in the acyl group is 42 to 48 is 35% or more. is there.
構成する脂肪酸の組成においてS/Uが2.5より大きい場合には、目的とする体重増加抑制などの著しい効果が得られ難い。特に体脂肪蓄積抑制の効果が得られない。またS/Uが0.6未満の場合には、血液中性脂質低減の効果が全く得られない。 When S / U is larger than 2.5 in the composition of the constituent fatty acid, it is difficult to obtain a remarkable effect such as suppression of weight gain. In particular, the effect of suppressing body fat accumulation cannot be obtained. When S / U is less than 0.6, no effect of reducing blood neutral lipid is obtained.
C12/Uが1.5より大きい場合にも同様に、目的とする体重増加抑制などの著しい効果が得られ難い。特に体脂肪蓄積抑制の効果が全く得られない。C12/Uが0.4未満の場合には、血液中性脂質低減の効果が得られない。 Similarly, when C12 / U is larger than 1.5, it is difficult to obtain a remarkable effect such as suppression of weight gain. In particular, no effect of suppressing body fat accumulation can be obtained. When C12 / U is less than 0.4, the effect of reducing blood neutral lipid cannot be obtained.
炭素数合計が32〜36個であるトリグリセリドが全体の30%以上である場合にも、目的とする体重増加抑制などの著しい効果が得られ難い。特に体脂肪蓄積抑制の効果が全く得られない。 Even when the triglyceride having a total carbon number of 32 to 36 is 30% or more of the total, it is difficult to obtain remarkable effects such as suppression of weight gain. In particular, no effect of suppressing body fat accumulation can be obtained.
一方、炭素数合計が42〜48個であるトリグリセリドが全体の35%未満である場合にも、目的とする体重増加抑制などの著しい効果が得られ難い。特に体脂肪蓄積抑制の効果が全く得られない。 On the other hand, when the total number of triglycerides having 42 to 48 carbon atoms is less than 35% of the total, it is difficult to obtain significant effects such as suppression of weight gain. In particular, no effect of suppressing body fat accumulation can be obtained.
本発明の油脂組成物は、パーム核油を分別することによって得ることが出来る。分別方法は、湿式、乾式分別等限定はされないが、溶剤等を使用しない乾式分別が安全に生産することができる。また複数回分別することが構成する脂肪酸および構成するトリグリセリドの組成を容易に本発明の油脂組成物に必要な範囲内にすることが出来るという点で好ましい。 The oil and fat composition of the present invention can be obtained by fractionating palm kernel oil. The separation method is not limited to wet and dry separation, but dry separation without using a solvent or the like can be produced safely. Further, it is preferable to fractionate a plurality of times from the viewpoint that the composition of the fatty acid and the triglyceride to be constituted can be easily within the range necessary for the oil and fat composition of the present invention.
本発明の油脂組成物はそのままでも使用可能であるが、本発明の油脂組成物は低温においては一部固化することもあるため、用途によっては適宜液体油などとブレンドして使用することもできる。 The oil and fat composition of the present invention can be used as it is, but the oil and fat composition of the present invention may partially solidify at low temperatures, and may be used by appropriately blending with liquid oil or the like depending on the application. .
以下に本発明の実施例を示し本発明をより詳細に説明するが、本発明の精神は以下の実施例に限定されるものではない。なお、例中、%及び部は、いずれも重量基準を意味する。 EXAMPLES The present invention will be described in more detail with reference to the following examples, but the spirit of the present invention is not limited to the following examples. In the examples, “%” and “part” mean weight basis.
製造例1
IV(沃素価)23.4のパーム核オレインを乾式分別により液体画分(IV35.1、収率41.7%)と結晶画分(IV15.1、収率58.3%)に分画し、パーム核油の低融点画分として液体画分( パーム核ダブルオレイン)を得た。Production Example 1
Palm kernel olein having an IV (iodine value) of 23.4 is fractionated into a liquid fraction (IV 35.1, yield 41.7%) and a crystalline fraction (IV 15.1, yield 58.3%) by dry fractionation. Thus, a liquid fraction (palm kernel double olein) was obtained as a low melting point fraction of palm kernel oil.
製造例2
IV 8.1の椰子油1部をアセトン4部に溶解させた後、−4℃まで冷却し結晶析出させ30分保持してから減圧下で濾過により結晶部と濾液部に分別した。濾液部から脱溶剤によって椰子油の低融点画分として液体画分(椰子オレイン)を得た(IV13.9、収率40%)Production Example 2
After dissolving 1 part of IV 8.1 coconut oil in 4 parts of acetone, the mixture was cooled to −4 ° C., crystallized, held for 30 minutes, and then separated into a crystal part and a filtrate part by filtration under reduced pressure. By removing the solvent from the filtrate, a liquid fraction (coconut olein) was obtained as a low melting point fraction of coconut oil (IV 13.9, yield 40%).
製造例3
製造例1で得たパーム核ダブルオレインを用いてソディウムメチラートによるランダムエステル交換を常法に従って実施した。Production Example 3
Using the palm kernel double olein obtained in Production Example 1, random transesterification with sodium methylate was carried out according to a conventional method.
製造例4
中鎖脂肪酸トリグリセリドMCT(ココナードMT−N、花王(株)製)と精製なたね油を13:87(重量比)で混合し、常法に従ってこの混合油のランダムエステル交換を行なった。
これらのパーム核オレイン、パーム核ダブルオレイン、椰子オレイン、パーム核ダブルオレインランダムエステル交換油脂および製造例4で得られたランダムエステル交換油脂を常法により精製した。それらの脂肪酸組成およびトリグリセリド組成を表1および2に示した。表1より、パーム核オレイン、パーム核ダブルオレイン、椰子オレイン、パーム核ダブルオレインランダムエステル交換油脂および製造例4で得られたランダムエステル交換油脂のS/Uはそれぞれ3.42、1.99、6.75、1.99および0.25であり、C12/Uはそれぞれ1.96、1.04、3.41、1.04および0であった。また表2より、パーム核オレイン、パーム核ダブルオレイン、椰子オレイン、パーム核ダブルオレインランダムエステル交換油脂および製造例4で得られたランダムエステル交換油脂のC32〜36はそれぞれ37.7%、26.9%、59.8%、18.4%および8.1%であり、C42〜48はそれぞれ30.4%、40.6%、14.4%、47.7%および36.7%であった。ただしC32〜36: アシル基の炭素数合計が32〜36個であるトリグリセリド、C42〜48: アシル基の炭素数合計が42〜48個であるトリグリセリドである。Production Example 4
Medium chain fatty acid triglyceride MCT (Coconard MT-N, manufactured by Kao Co., Ltd.) and refined rapeseed oil were mixed at 13:87 (weight ratio), and the mixed oil was subjected to random transesterification according to a conventional method.
These palm kernel olein, palm kernel double olein, palm olein, palm kernel double olein random transesterified oil and fat and the random transesterified oil obtained in Production Example 4 were purified by conventional methods. Their fatty acid composition and triglyceride composition are shown in Tables 1 and 2. From Table 1, S / U of palm kernel olein, palm kernel double olein, palm olein, palm kernel double olein random transesterified fat and oil and random transesterified fat obtained in Production Example 4 is 3.42, 1.99, respectively. 6.75, 1.99 and 0.25 and C12 / U was 1.96, 1.04, 3.41, 1.04 and 0, respectively. Moreover, from Table 2, C32 to 36 of palm kernel olein, palm kernel double olein, palm olein, palm kernel double olein random transesterified oil and fat and random transesterified oil obtained in Production Example 4 are 37.7% and 26. 9%, 59.8%, 18.4% and 8.1%, C42-48 is 30.4%, 40.6%, 14.4%, 47.7% and 36.7% respectively. there were. However, C32-36: a triglyceride in which the total carbon number of the acyl group is 32-36, and C42-48: a triglyceride in which the total carbon number of the acyl group is 42-48.
<表1>
<Table 1>
分析条件
硫酸触媒により各油脂試料のn−ブタノールとの反応にてブチルエステルを調製し、以下のglc条件で分析した。得られたクロマトデータ(ブチルエステルとしての重量%)の分子量換算によって、メチルエステルとしての重量%で表した。
glc分析条件
試料:上記調製ブチルエステル30μlの1mlへキサン溶液
インジェクション量:0.5μl
機器:島津製作所(株)製 GC−2010
キャピラリーカラム:信和化工(株)製 ULBON HR−SS−10(0.25mmI.D.50m)
カラム温度:200℃、検出器(FID)温度:250℃Analysis conditions A butyl ester was prepared by reaction of each fat sample with n-butanol using a sulfuric acid catalyst, and analyzed under the following glc conditions. The obtained chromatogram data (% by weight as butyl ester) was expressed in terms of% by weight as a methyl ester, in terms of molecular weight.
glc analysis condition sample: 30 μl of the above prepared butyl ester 1 ml hexane solution injection amount: 0.5 μl
Equipment: GC-2010 manufactured by Shimadzu Corporation
Capillary column: ULBON HR-SS-10 (0.25 mm ID 50 m) manufactured by Shinwa Kako Co., Ltd.
Column temperature: 200 ° C., detector (FID) temperature: 250 ° C.
<表2>
トリグリセリド(C32〜C36、及びC42〜48)の含有量
<Table 2>
Content of triglycerides (C32 to C36 and C42 to 48)
分析条件
各油脂試料をそのまま、以下のglc条件で分析した。
glc分析条件
試料濃度:油脂50μlの1.5mlへキサン溶液
インジェクション量:1μl
機器:ヒューレットパッカード社製 HP6850シリーズGCシステム
キャピラリーカラム:Frontier Lab製 UA15W 0.15F(0. 5mmI.D.15m)
カラム温度:220℃から毎分12℃で350℃まで昇温
検出器(FID)温度:350℃Analysis conditions Each oil and fat sample was directly analyzed under the following glc conditions.
glc analysis condition Sample concentration: 1.5 μl hexane solution injection amount: 50 μl of fat / oil: 1 μl
Equipment: HP6850 series GC system capillary column manufactured by Hewlett-Packard Company: UA15W 0.15F (0.5 mm ID15 m) manufactured by Frontier Lab
Column temperature: from 220 ° C to 350 ° C at 12 ° C per minute Temperature rise detector (FID) temperature: 350 ° C
<実施例1>
マウスでの消化吸収試験(1)
パーム核オレイン、製造例1〜3で得られたパーム核ダブルオレイン、椰子オレインおよびパーム核ダブルオレインランダムエステル交換油脂の各精製油を使用して8週間のマウスでの消化吸収試験を行った。使用したマウスはC57BL/6Jであり、7週齢から1週間予備飼育後、AIN−93G組成を一部改良した表3の配合飼料食餌組成にて大豆油群をコントロールにして各群8匹で8週間飼育し、体重変化・飼料効率・体脂肪率の測定を行った。体脂肪率の測定は、実験マウス専用エックス線骨密度測定装置、PIXImus2(GE Medical Systems)を使用した。<Example 1>
Digestion and absorption test in mice (1)
Digestion and absorption tests were conducted in mice for 8 weeks using each refined oil of palm kernel olein, palm kernel double olein, palm olein and palm kernel double olein random transesterified oil obtained in Production Examples 1-3. The mouse used was C57BL / 6J, and after pre-breeding from 7 weeks of age to 1 week, the soybean oil group was controlled in the mixed feed diet composition of Table 3 in which the AIN-93G composition was partially improved. The animals were reared for 8 weeks, and changes in body weight, feed efficiency, and body fat percentage were measured. The body fat percentage was measured using a PIXImus2 (GE Medical Systems), an X-ray bone density measuring device dedicated to experimental mice.
<表3>
食餌組成(wt%)
<Table 3>
Diet composition (wt%)
マウスでの56日間の消化吸収試験の結果を表4に示した。パーム核ダブルオレインを使用した群ではコントロールとしての大豆油群に対して、体重増加で約12%の抑制が認められ、また体脂肪率では約17%の抑制が観られ、脂肪の過剰摂取による肥満防止油脂としてパーム核ダブルオレインが効果的であることが示唆された。 Table 4 shows the results of a 56-day digestion and absorption test in mice. In the group using palm kernel double olein, about 12% suppression in body weight gain was observed compared to the soybean oil group as a control, and about 17% suppression in body fat percentage was observed. It was suggested that palm kernel double olein is effective as an anti-obesity oil.
<表4>
飼育結果
<Table 4>
Rearing result
これとは逆にパーム核オレインを使用した群においてはコントロールとしての大豆油群に対して、体重増加で約18%の増加が認められ、また体脂肪率でも約9%の増加が観られた。また椰子オレインを使用した群においては大豆油群に対して、体重増加ではほとんど変化が認められず、体脂肪率では約6%の増加が観られた。一方、パーム核ダブルオレインのランダムエステル交換油脂を使用した群の場合は、体重増加および体脂肪率は大豆油群に対してそれぞれ約8%および約6%の抑制にとどまり、パーム核ダブルオレインほどの肥満防止効果を示さなかった。これらの結果を表5に纏めた。 On the contrary, in the group using palm kernel olein, an increase of about 18% in body weight was observed and an increase in body fat percentage of about 9% was observed as compared with the soybean oil group as a control. . In the group using eggplant olein, there was almost no change in weight gain and an increase in body fat percentage of about 6% compared to the soybean oil group. On the other hand, in the group using palm kernel double olein random transesterified fats and oils, weight gain and body fat percentage are only about 8% and about 6% lower than the soybean oil group, respectively. Did not show the anti-obesity effect. These results are summarized in Table 5.
<表5>
各試験油脂群の大豆油群に対しての効果の比較
<Table 5>
Comparison of the effect of each test oil group on soybean oil group
更に、56日間の飼育後に対照群および各試験群のマウスの血中脂質および解剖後の肝臓脂質のトリグリセリド量を定量分析し、その結果を表6に示した。各試験油脂群の大豆油群に対しての増減率として効果をまとめた表7に示されているように、パーム核ダブルオレインのみが血中および肝臓脂質中のトリグリセリド量を、コントロールとしての大豆油群に対して大きく抑制が見られた。 Furthermore, the amount of triglycerides in blood lipids and liver lipids after dissection of the mice in the control group and each test group was quantitatively analyzed after feeding for 56 days. The results are shown in Table 6. As shown in Table 7, which summarizes the effect of each test fat group on the rate of increase / decrease relative to the soybean oil group, only palm kernel double olein increases the amount of triglycerides in blood and liver lipids as a control. Significant suppression was observed for the soybean oil group.
<表6>
血中および肝臓脂質中のトリグリセリド(TG)量
<Table 6>
Triglyceride (TG) levels in blood and liver lipids
<表7>
各試験油脂群の大豆油群に対しての増減率
<Table 7>
Increase / decrease rate of each test fat group with respect to soybean oil group
<実施例2>
マウスでの消化吸収試験(2)
製造例1で得られたパーム核ダブルオレインの精製油および製造例4で得られたMCTとなたね油のランダムエステル交換油脂を使用して大豆油群をコントロールにして、実施例1と同じ条件で飼育し、体重変化・飼料効率・体脂肪率の測定を行った。ただし各群6匹とし飼育期間は111日間にて実施した。体脂肪率の測定については、飼育前、飼育途中(56日間飼育)および飼育終了時(111日)の時点で実施した。更に、111日間の飼育後に対照群および各試験群のマウスの血中脂質および解剖後の肝臓脂質のトリグリセリド量を定量分析した結果を表8、表10に示す。<Example 2>
Digestion and absorption test in mice (2)
Breeding under the same conditions as in Example 1 using the refined oil of palm kernel double olein obtained in Production Example 1 and the random transesterified oil of MCT oil obtained in Production Example 4 as a control for the soybean oil group Then, changes in body weight, feed efficiency, and body fat percentage were measured. However, each group had 6 animals and the breeding period was 111 days. The body fat percentage was measured before breeding, during breeding (bred for 56 days), and at the end of breeding (111 days). Further, Tables 8 and 10 show the results of quantitative analysis of the blood lipids and the liver lipids after dissection in the control group and each test group after 111 days of breeding.
<表8>
飼育結果
<Table 8>
Rearing result
<表9>
血中および肝臓脂質中のトリグリセリド(TG)量
<Table 9>
Triglyceride (TG) levels in blood and liver lipids
各試験油脂群の大豆油群に対しての増減率として効果をまとめた表9および表11に示されているように、パーム核ダブルオレインは同等の飼料効率にて、製造例4で得られたMCT、なたね油混合油のランダムエステル交換油脂と比較して大豆油群に対してより大きな体重増加抑制および体脂肪蓄積抑制ならびに血液中の中性脂質低減効果が認められた。 As shown in Table 9 and Table 11, which summarize the effect as the rate of increase / decrease of each test fat group with respect to the soybean oil group, palm kernel double olein was obtained in Production Example 4 at an equivalent feed efficiency. Compared with the random transesterified oil and fat of MCT and rapeseed oil mixed oil, greater suppression of weight gain and body fat accumulation and reduction of neutral lipids in blood were observed in the soybean oil group.
<表10>
各試験油脂群の大豆油群に対しての効果の比較
<Table 10>
Comparison of the effect of each test oil group on soybean oil group
<表11>
各試験油脂群の大豆油群に対しての増減率
<Table 11>
Increase / decrease rate of each test fat group with respect to soybean oil group
最後に表12に大豆油を対照にして本実施結果を示すとおり、構成する脂肪酸の組成においてS/Uが0.6〜2.5であり、かつC12/Uが0.4〜1.5であり、かつ構成するトリグリセリドの組成においてアシル基の炭素数合計が32〜36であるトリグリセリドが全体の30%未満であり、かつアシル基の炭素数合計が42〜48であるトリグリセリドを全体の35%以上を含有するものは、体重増加抑制および体脂肪蓄積抑制用ならびに血中および肝臓脂質中の中性脂質を低減させることができる。 Finally, as shown in Table 12, the results of this example with reference to soybean oil, S / U is 0.6 to 2.5 and C12 / U is 0.4 to 1.5. And the triglyceride in which the total number of carbon atoms in the acyl group is 32 to 36 in the composition of the triglyceride is less than 30% of the total and the total number of carbon atoms in the acyl group is 42 to 48. Those containing at least% can reduce body weight gain and body fat accumulation as well as neutral lipids in blood and liver lipids.
<表12>
<Table 12>
上記、表12の各種抑制低減効果についての記号説明
×・・・対照としての大豆群に比べて劣る。
△・・・対照としての大豆群と比べ僅かしか低減効果がない。
○・・・対照としての大豆群と比べ低減効果が明らかである。
◎・・・対照としての大豆群と比べ低減効果が著しい。
体重増加抑制、体脂肪蓄積抑制、血液中性脂質の低減および肝臓中性脂質の低減など、これら全ての抑制低減効果を同時に著しく示している油脂組成物は、本発明で規定した油脂組成を有する場合のみである。Explanation of symbols for various suppression reduction effects in Table 12 above. Inferior to soybean group as control.
Δ: There is little reduction effect compared to the soybean group as a control.
○: The reduction effect is clear compared to the soybean group as a control.
◎ ・ ・ ・ Reduction effect is remarkable compared to the soybean group as a control.
The oil / fat composition that shows all these suppression-reducing effects at the same time, including weight gain suppression, body fat accumulation suppression, blood neutral lipid reduction and liver neutral lipid reduction, has the oil / fat composition defined in the present invention. Only if.
<実施例3>
マウスでの高脂肪食長期摂食試験(3)
パーム核オレイン、製造例1で得られたパーム核ダブルオレインの各精製油を使用して140日間のマウスでの高脂肪食長期摂食試験を行った。使用したマウスはC57BL/6Jであり、6週齢から1週間予備飼育後、AIN−93G組成を一部改良した表13の配合飼料食餌組成にて大豆油群をコントロールにして各群16匹で140日間飼育し、体重変化・各臓器重量・血液性状の測定を行った。<Example 3>
High fat diet long-term feeding test in mice (3)
Using each refined oil of palm kernel olein and palm kernel double olein obtained in Production Example 1, a high fat diet long-term feeding test in mice for 140 days was performed. The mouse used was C57BL / 6J. After pre-breeding from 6 weeks of age to 1 week, the soybean oil group was controlled in the mixed feed diet composition of Table 13 in which the AIN-93G composition was partially improved. The mice were reared for 140 days, and changes in body weight, organ weights, and blood properties were measured.
<表13>
食餌組成(wt%)
<Table 13>
Diet composition (wt%)
マウスでの140日間の高脂肪食長期摂食試験の結果を表14に示した。パーム核ダブルオレインを使用した群ではコントロールとしての大豆油群に対して、体重増加で約4.2%の抑制が認められた。 Table 14 shows the results of a 140-day high-fat diet long-term feeding test in mice. In the group using palm kernel double olein, about 4.2% suppression of body weight gain was observed compared to the soybean oil group as a control.
<表14>
飼育結果
<Table 14>
Rearing result
更に、140日間の飼育後に対照群およびパーム核ダブルオレイン群のマウスの血中脂質量を測定し、その結果を表15に示した。パーム核ダブルオレイン群の大豆油群に対しての増減率として効果をまとめた表15に示されているように、パーム核ダブルオレインが血中トリグリセリド量を、コントロールとしての大豆油群に対して大きく抑制が見られた。よって、高脂肪食条件においてもパーム核ダブルオレイン群では体重抑制および血中脂質抑制効果を有することが示された。 Furthermore, the blood lipid levels of the mice in the control group and palm kernel double olein group were measured after 140 days of breeding, and the results are shown in Table 15. As shown in Table 15 which summarizes the effect as the increase / decrease rate of the palm kernel double olein group with respect to the soybean oil group, the palm kernel double olein has the blood triglyceride content as compared with the soybean oil group as a control. Significant suppression was seen. Therefore, it was shown that the palm kernel double olein group has an effect of suppressing body weight and blood lipid even under high fat diet conditions.
<表15>
血中脂質量と大豆油群に対するパーム核ダブルオレイン使用群の増減率(%)
<Table 15>
Increase / decrease rate of palm kernel double olein group in relation to blood lipid level and soybean oil group (%)
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