JP6888145B2 - LPS production inhibitor and food composition for suppressing LPS production - Google Patents
LPS production inhibitor and food composition for suppressing LPS production Download PDFInfo
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- JP6888145B2 JP6888145B2 JP2020050613A JP2020050613A JP6888145B2 JP 6888145 B2 JP6888145 B2 JP 6888145B2 JP 2020050613 A JP2020050613 A JP 2020050613A JP 2020050613 A JP2020050613 A JP 2020050613A JP 6888145 B2 JP6888145 B2 JP 6888145B2
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Description
本発明は、リポポリサッカライド(LPS)産生抑制剤、及びLPS産生抑制用の食品組成物に関する。 The present invention relates to a lipopolysaccharide (LPS) production inhibitor and a food composition for suppressing LPS production.
LPSは、グラム陰性細菌の細胞壁外膜の構成成分であり、内毒素(エンドトキシン)として知られている。エンドトキシンは、免疫系細胞を活性化し、炎症性サイトカインを上昇させることが知られている。炎症性サイトカインが上昇した状態が継続すると、生体は慢性炎症の状態になり、生活習慣病、動脈硬化、癌、アルツハイマー病、パーキンソン病、種々の自己免疫病、うつ病、慢性疲労などの慢性疾病の基礎病態となり得ると考えられている。 LPS is a component of the outer cell wall of Gram-negative bacteria and is known as endotoxin. Endotoxin is known to activate immune system cells and raise inflammatory cytokines. If the inflammatory cytokine level continues to rise, the body becomes chronically inflamed, and chronic diseases such as lifestyle-related diseases, arteriosclerosis, cancer, Alzheimer's disease, Parkinson's disease, various autoimmune diseases, depression, and chronic fatigue. It is thought that it can be the basic pathological condition of.
ところで、ブロッコリー等のアブラナ科植物には、グルコシノレートの一種であるグルコラファニン(GR;スルフォラファングルコシノレートとも呼ばれる)が豊富に含まれていることが知られている。
GRを摂取すると、生体内のミロシナーゼによってスルフォラファン(SFN)に代謝される。SFNは、様々な疾病に対しての効果が知られている。
ブロッコリー等のアブラナ科植物の抽出物やスルフォラファンには、皮脂産生促進作用(特許文献1)やメラニン産生抑制作用(特許文献2)があることが報告されており、皮膚疾患用の医薬品や美白用化粧料等への適用が提案されている。また、経口投与等した場合の人体への安全性も確認されている成分である。
By the way, it is known that cruciferous plants such as broccoli are rich in glucoraphanin (GR; also called sulforaphane glucosinolate), which is a kind of glucosinolate.
When GR is ingested, it is metabolized to sulforaphane (SFN) by in vivo myrosinase. SFN is known to be effective against various diseases.
It has been reported that extracts of cruciferous plants such as broccoli and sulforaphane have a sebum production promoting action (Patent Document 1) and a melanin production suppressing action (Patent Document 2), and are used for skin diseases and whitening. It has been proposed to be applied to cosmetics and the like. In addition, it is a component that has been confirmed to be safe for the human body when orally administered.
血中LPSが高値の状態が慢性化すると、慢性炎症の状態に起因する種々の疾患や病態が生じるリスクが高まり、LPS産生を抑制することが望ましい。また、近年の消費者の健康志向の高まりから、日常の食事等で健康を管理したいという需要があり、セルフメディケーションに有用なサプリメントや機能性食品などが注目されている。
かかる状況に鑑みて、本発明は、LPSの産生を抑制し得る剤又は食品組成物を提供することを目的とする。
When the state of high blood LPS becomes chronic, the risk of developing various diseases and pathological conditions due to the state of chronic inflammation increases, and it is desirable to suppress LPS production. In addition, due to the growing health consciousness of consumers in recent years, there is a demand for managing health through daily meals and the like, and supplements and functional foods useful for self-medication are attracting attention.
In view of such circumstances, it is an object of the present invention to provide an agent or food composition capable of suppressing the production of LPS.
本発明者らは、上記課題を解決するべく鋭意研究の末、アブラナ科植物等に豊富に含まれるGRやその代謝物であるSFNを経口摂取すると、腸内細菌叢が改善され、LPSの産生を抑制できることを見出し、本発明を完成させた。 After diligent research to solve the above problems, the present inventors orally ingested GR and its metabolite SFN, which are abundant in cruciferous plants, etc., to improve the intestinal flora and produce LPS. We have found that it is possible to suppress the above, and completed the present invention.
本発明の一態様は、GR及び/又はSFNを有効成分として含有する、LPS産生抑制剤である。
本発明の別の態様は、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上を有効成分として含有する、LPS産生抑制剤である。ここで、アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、通常、GR及び/又はSFNを含有する。また、アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、ブロッ
コリースプラウト又はブロッコリーの種子、その抽出物又はその分画、及びその粉砕物であることが好ましい。
本発明のLPS産生抑制剤において、GR及び/又はSFNは、1日当たり30mg以上で投与されるものであることが好ましい。
One aspect of the present invention is an LPS production inhibitor containing GR and / or SFN as an active ingredient.
Another aspect of the present invention is an LPS production inhibitor containing at least one selected from cruciferous plants, an extract thereof or a fraction thereof, and a pulverized product thereof as an active ingredient. Here, cruciferous plants, extracts thereof or fractions thereof, and ground products thereof usually contain GR and / or SFN. Further, the cruciferous plant, its extract or its fraction, and its crushed product are preferably broccoli sprout or broccoli seed, its extract or its fraction, and its crushed product.
In the LPS production inhibitor of the present invention, GR and / or SFN is preferably administered in an amount of 30 mg or more per day.
本発明の別の態様は、GR及び/又はSFNを有効成分として含有する、LPS産生抑制用の食品組成物である。
本発明の別の態様は、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上を有効成分として含有する、LPS産生抑制用の食品組成物である。ここで、アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、通常、GR及び/又はSFNを含有する。また、アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、ブロッコリースプラウト又はブロッコリーの種子、その抽出物又はその分画、及びその粉砕物であることが好ましい。
本発明のLPS産生抑制用の食品組成物において、GR及び/又はSFNは、1日当たり30mg以上で摂取されるものであることが好ましい。
かかる食品組成物は、好ましくは飲料又はサプリメントである。また、かかる食品組成物の好ましい態様として、機能性表示食品又は特定保健用食品が挙げられる。
Another aspect of the present invention is a food composition for suppressing LPS production, which contains GR and / or SFN as an active ingredient.
Another aspect of the present invention is a food composition for suppressing LPS production, which contains at least one selected from cruciferous plants, an extract thereof or a fraction thereof, and a pulverized product thereof as an active ingredient. Here, cruciferous plants, extracts thereof or fractions thereof, and ground products thereof usually contain GR and / or SFN. Further, the cruciferous plant, its extract or its fraction, and its crushed product are preferably broccoli sprout or broccoli seed, its extract or its fraction, and its crushed product.
In the food composition for suppressing LPS production of the present invention, GR and / or SFN is preferably ingested in an amount of 30 mg or more per day.
Such food compositions are preferably beverages or supplements. Moreover, as a preferable embodiment of such a food composition, a food with a functional claim or a food for specified health use can be mentioned.
本発明の別の態様は、GR及び/又はSFNを有効成分として含有する、腸内細菌叢改善剤である。
本発明の別の態様は、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上を有効成分として含有する、腸内細菌叢改善剤である。ここで、アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、後述の通り、通常、GR及び/又はSFNを含有する。また、アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、ブロッコリースプラウト又はブロッコリーの種子、その抽出物又はその分画、及びその粉砕物であることが好ましい。
本発明の腸内細菌叢改善剤において、GR及び/又はSFNは、1日当たり30mg以上で投与されるものであることが好ましい。
Another aspect of the present invention is an intestinal bacterial flora improving agent containing GR and / or SFN as an active ingredient.
Another aspect of the present invention is an intestinal bacterial flora improving agent containing at least one selected from cruciferous plants, an extract thereof or a fraction thereof, and a pulverized product thereof as an active ingredient. Here, cruciferous plants, extracts thereof or fractions thereof, and pulverized products thereof usually contain GR and / or SFN as described later. Further, the cruciferous plant, its extract or its fraction, and its crushed product are preferably broccoli sprout or broccoli seed, its extract or its fraction, and its crushed product.
In the intestinal bacterial flora improving agent of the present invention, GR and / or SFN is preferably administered in an amount of 30 mg or more per day.
本発明の別の態様は、GR及び/又はSFNを有効成分として含有する、腸内細菌叢改善用の食品組成物である。
本発明の別の態様は、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上を有効成分として含有する、腸内細菌叢改善用の食品組成物である。ここで、アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、後述の通り、通常、GR及び/又はSFNを含有する。また、アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、ブロッコリースプラウト又はブロッコリーの種子、その抽出物又はその分画、及びその粉砕物であることが好ましい。
本発明の腸内細菌叢改善用の食品組成物において、GR及び/又はSFNは、1日当たり30mg以上で摂取されるものであることが好ましい。
かかる食品組成物は、好ましくは飲料又はサプリメントである。また、かかる食品組成物の好ましい態様として、機能性表示食品又は特定保健用食品が挙げられる。
Another aspect of the present invention is a food composition for improving the intestinal flora, which contains GR and / or SFN as an active ingredient.
Another aspect of the present invention is a food composition for improving the intestinal bacterial flora, which contains at least one selected from cruciferous plants, an extract thereof or a fraction thereof, and a pulverized product thereof as an active ingredient. Here, cruciferous plants, extracts thereof or fractions thereof, and pulverized products thereof usually contain GR and / or SFN as described later. Further, the cruciferous plant, its extract or its fraction, and its crushed product are preferably broccoli sprout or broccoli seed, its extract or its fraction, and its crushed product.
In the food composition for improving the intestinal bacterial flora of the present invention, GR and / or SFN is preferably ingested in an amount of 30 mg or more per day.
Such food compositions are preferably beverages or supplements. Moreover, as a preferable embodiment of such a food composition, a food with a functional claim or a food for specified health use can be mentioned.
本発明によれば、腸内細菌叢を改善し、LPSの産生を抑制するという、GR及びSFNの新たな用途が提供され、これらを含有する剤又は食品組成物が提供される。本発明のLPS産生抑制剤、LPS産生抑制用の食品組成物、腸内細菌叢改善剤、及び腸内細菌叢改善用の食品組成物は、LPSが高値であることに関連する疾患や病態の予防及び/又は改善に有用である。特に本発明の食品組成物は、機能性表示食品や特定保健用食品として消費者の健康志向にアピールするものとなり得る。 According to the present invention, new uses of GR and SFN for improving the intestinal bacterial flora and suppressing the production of LPS are provided, and agents or food compositions containing them are provided. The LPS production inhibitor, the food composition for suppressing LPS production, the intestinal bacterial flora improving agent, and the food composition for improving the intestinal bacterial flora of the present invention are used for diseases and pathological conditions related to high LPS levels. Useful for prevention and / or improvement. In particular, the food composition of the present invention can appeal to consumers' health consciousness as a food with functional claims or a food for specified health use.
本発明のLPS産生抑制剤及びLPS産生抑制用の食品組成物は、有効成分として、グルコラファニン(GR)及び/又はスルフォラファン(SFN)を含有する。
GRはSFNの前駆体であり、GRのミロシナーゼによる代謝物がSFNであり、SFNが活性本体であると考えられている。
The LPS production inhibitor and the food composition for suppressing LPS production of the present invention contain glucoraphanin (GR) and / or sulforaphane (SFN) as active ingredients.
GR is a precursor of SFN, the metabolite of GR by myrosinase is SFN, and SFN is considered to be the active body.
GRはアブラナ科植物に多く含有されていることが知られており、本発明においてGRは、精製された状態で剤や食品組成物に含有されてもよいし、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上の状態で含有されてもよい。 It is known that GR is abundantly contained in cruciferous plants, and in the present invention, GR may be contained in an agent or food composition in a purified state, or is a cruciferous plant, an extract thereof, or It may be contained in one or more states selected from the fraction and the ground product thereof.
SFNはGRがミロシナーゼによって代謝されることで生成される。
アブラナ科植物は、内在的にミロシナーゼを保有している。植物体が破砕、摩砕、粉砕、せん断、搾汁等の工程によって破壊されると、内在するミロシナーゼがGRと反応し、GRはSFNに代謝される。植物体を破砕等の工程によって破壊する前に加熱処理を行い、ミロシナーゼを失活させると、GRからSFNの代謝は行われない。すなわち、アブラナ科植物の抽出物もしくはその分画、又はアブラナ科植物の粉砕物は、通常GR及び/又はSFNを含有する。
SFN is produced by the metabolism of GR by myrosinase.
Cruciferous plants have an endogenous myrosinase. When a plant is destroyed by processes such as crushing, grinding, crushing, shearing, and squeezing, the internal myrosinase reacts with GR, and GR is metabolized to SFN. If heat treatment is performed to inactivate myrosinase before the plant is destroyed by a process such as crushing, the metabolism of SFN from GR is not performed. That is, the cruciferous plant extract or its fraction, or the cruciferous plant pulverized product, usually contains GR and / or SFN.
本発明においてSFNは、精製された状態で剤や食品組成物に含有されてもよいし、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上の状態で含有されてもよい。
なお、GRを摂取すると生体内でミロシナーゼによる代謝を受けてSFNになるため、GRを含有するアブラナ科植物の状態を含有する本発明の剤や食品組成物を投与又は摂取した場合は、生体内でGRが代謝されてその代謝産物であるSFNが活性を発揮すると考えられる。
In the present invention, SFN may be contained in an agent or food composition in a purified state, or may be contained in one or more states selected from cruciferous plants, extracts thereof or fractions thereof, and pulverized products thereof. May be done.
When GR is ingested, it is metabolized by myrosinase in vivo to become SFN. Therefore, when the agent or food composition of the present invention containing the state of a cruciferous plant containing GR is administered or ingested, it is in vivo. It is considered that GR is metabolized and SFN, which is a metabolite thereof, exerts its activity.
前記アブラナ科植物としては、特に限定されないが、例えば、ブロッコリー、ケール、キャベツ、カリフラワー、高菜、アブラナ、カラシナ、大根、大根葉、野沢菜、小松菜、白菜、芽キャベツ、プチヴェール(ケールと芽キャベツの交配品)等が挙げられる。
また、植物の部分としては、植物の成長体(芽、葉、茎、根、又は花など)でも、スプラウト(発芽体)でも、種子でもよく、特に制限されない。
これらのうちより好ましいのは、アブラナ科アブラナ属(Brassica)に属するブロッコリー(Brassica oleracea var. italica)である。さらに、GR及び/又はSFNの含有量の高さから、ブロッコリーのスプラウト又は種子が特に好ましい。
The cruciferous plants are not particularly limited, but for example, broccoli, kale, cabbage, cauliflower, takana, abrana, mustard greens, radish, radish leaves, nozawa greens, komatsuna, white vegetables, Brussels sprouts, and petit veil (crossing of kale and Brussels sprouts). Goods) and the like.
The part of the plant may be a growing body of the plant (bud, leaf, stem, root, flower, etc.), a sprout (sprouting body), or a seed, and is not particularly limited.
More preferred of these are broccoli (Brassica oleracea var. Italica) belonging to the Brassicaceae genus Brassica. In addition, broccoli sprouts or seeds are particularly preferred due to their high GR and / or SFN content.
ブロッコリースプラウトからGR及び/又はSFNを抽出する場合は、その含有量が減少傾向になる成長体になる前であれば発芽後何日後であってもよいが、好ましくは発芽後
1〜10日後、より好ましくは1〜3日後のスプラウトを用いる。また、GR及び/又はSFNの含有量が、好ましくは50〜350mg/100g(湿重量)、より好ましくは150〜330mg/100g(湿重量)、さらに好ましくは250〜300mg/100g(湿重量)のブロッコリースプラウトを用いることが好ましい。
When GR and / or SFN is extracted from broccoli sprout, it may be several days after germination as long as it is before the growth body whose content tends to decrease, but preferably 1 to 10 days after germination. More preferably, sprout after 1 to 3 days is used. The GR and / or SFN content is preferably 50 to 350 mg / 100 g (wet weight), more preferably 150 to 330 mg / 100 g (wet weight), and even more preferably 250 to 300 mg / 100 g (wet weight). It is preferable to use broccoli sprout.
ブロッコリースプラウト等を含むアブラナ科植物からのGR及び/又はSFNの取得は、周知の方法により行うことができる。
例えば、GRは、植物の一部または全体をそのまま又は乾燥粉砕したものを溶媒等で抽出して取得することができ、溶媒としては、水、低級1価アルコール(メタノール、エタノール、1−プロパノール、2−プロパノール、1−ブタノール、2−ブタノール等)、液状多価アルコール(グリセリン、プロピレングリコール、1,3−ブチレングリコール等)、低級エステル(酢酸エチル等)、炭化水素(ベンゼン、ヘキサン、ペンタン等)、ケトン類(アセトン、メチルエチルケトン等)、エーテル類(ジエチルエーテル、テトラヒドロフラン、ジプロピルエーテル等)、アセトニトリル等が挙げられ、それらの一種又は2種以上を用いることができる。本発明の剤又は食品組成物は経口で投与又は摂取されることを考慮すると、抽出溶媒としては、水、エタノール、又は含水エタノールが特に好ましい。好ましい抽出方法の例としては、例えば熱水(90〜100℃)で、10〜30分間抽出する方法や、0〜100体積%の含水エタノールで室温又は加温して1〜10日間抽出する方法が挙げられ、その抽出液をさらに分画・精製してもよい。その他に、超臨界抽出によってGRを抽出してもよい。
Acquisition of GR and / or SFN from cruciferous plants including broccoli sprout and the like can be carried out by a well-known method.
For example, GR can be obtained by extracting a part or the whole of a plant as it is or pulverized by drying with a solvent or the like, and the solvent includes water, lower monohydric alcohol (methanol, ethanol, 1-propanol, etc.). 2-Propanol, 1-butanol, 2-butanol, etc.), liquid polyhydric alcohols (glycerin, propylene glycol, 1,3-butylene glycol, etc.), lower esters (ethyl acetate, etc.), hydrocarbons (benzene, hexane, pentane, etc.) ), Ketones (acetone, methyl ethyl ketone, etc.), ethers (diethyl ether, tetrahydrofuran, dipropyl ether, etc.), acetonitrile and the like, and one or more of them can be used. Considering that the agent or food composition of the present invention is orally administered or ingested, water, ethanol, or hydrous ethanol is particularly preferable as the extraction solvent. Examples of preferable extraction methods include, for example, a method of extracting with hot water (90 to 100 ° C.) for 10 to 30 minutes, and a method of extracting at room temperature or heating with 0 to 100% by volume of hydrous ethanol for 1 to 10 days. The extract may be further fractionated and purified. Alternatively, GR may be extracted by supercritical extraction.
GRからSFNを得る方法としては、GRとミロシナーゼを反応させればよく、その方法は限定されない。例えば、GRを含むアブラナ科植物を、加熱せずに破砕、摩砕、粉砕、せん断、搾汁等することでGRと内在のミロシナーゼを反応させ、SFNに代謝させる方法や、GRにミロシナーゼを添加してSFNに代謝させる方法等が挙げられる。SFNは、これらの方法にてGRから代謝されたSFNを含む原料から、GRと同様の方法(例えば、前段落に記載の抽出等の方法)にて取得することができる。 As a method for obtaining SFN from GR, GR may be reacted with myrosinase, and the method is not limited. For example, a method of reacting GR with intrinsic myrosinase by crushing, grinding, crushing, shearing, squeezing, etc., a cruciferous plant containing GR without heating and metabolizing it to SFN, or adding myrosinase to GR. Then, a method of metabolizing to SFN and the like can be mentioned. SFN can be obtained from a raw material containing SFN metabolized from GR by these methods by the same method as GR (for example, the method such as extraction described in the previous paragraph).
剤、食品組成物、又は抽出物等の中のGRの濃度測定は、当業者周知の方法により行うことができる。例えば、高速液体クロマトグラフィー(HPLC)法を用いることができ、具体的な方法としては、Faheyらの方法(Fahey et al., Proc. Natl. Acad. Sci. USA,
94, 10367-10372, 1997)等に従って行うことができる。
剤、食品組成物、又は抽出物等の中のSFNの濃度測定は、当業者周知の方法により行うことができる。例えば、高速液体クロマトグラフィー(HPLC)法を用いることができ、具体的な方法としては、Hanらの方法(Han et al., Int. J. Mol. Sci., 12, 1854-1861, 2011)等に従って行うことができる。
The concentration of GR in an agent, food composition, extract or the like can be measured by a method well known to those skilled in the art. For example, a high performance liquid chromatography (HPLC) method can be used, and as a specific method, the method of Fahey et al., Proc. Natl. Acad. Sci. USA,
It can be done according to 94, 10367-10372, 1997) and so on.
The concentration of SFN in an agent, food composition, extract or the like can be measured by a method well known to those skilled in the art. For example, a high performance liquid chromatography (HPLC) method can be used, and specific methods include the method of Han et al. (Han et al., Int. J. Mol. Sci., 12, 1854-1861, 2011). Etc. can be performed.
本発明のLPS産生抑制剤の投与形態としては、例えば、錠剤、被覆錠剤、カプセル剤、顆粒剤、散剤、溶液、シロップ剤、乳液等による経口投与を好ましく挙げることができる。なお、非経口投与形態が排除されるわけではなく、局所組織投与や、注射による皮下、皮内、筋肉内、静脈内投与等によってもよい。
本発明のLPS産生抑制剤は、賦形剤、結合剤、崩壊剤、滑沢剤、着色剤、矯味矯臭剤、溶解補助剤、懸濁剤、コーティング剤などの医薬等の製剤技術分野において通常使用し得る既知の補助剤を用いて製剤化することができる。
また、本発明のLPS産生抑制剤の分類としては、医薬品または医薬部外品の態様であってもよい。
As the administration form of the LPS production inhibitor of the present invention, for example, oral administration with tablets, coated tablets, capsules, granules, powders, solutions, syrups, emulsions and the like can be preferably mentioned. The parenteral administration form is not excluded, and may be administered by local tissue administration, subcutaneous administration by injection, intradermal administration, intramuscular administration, intravenous administration, or the like.
The LPS production inhibitor of the present invention is usually used in the field of pharmaceuticals such as excipients, binders, disintegrants, lubricants, colorants, flavoring agents, solubilizing agents, suspending agents, coating agents and the like. It can be formulated with known adjuvants that can be used.
Further, the classification of the LPS production inhibitor of the present invention may be in the form of a drug or a quasi-drug.
本発明のLPS産生抑制用の食品組成物としては、例えば、飲料(ジュース、コーヒー、紅茶、茶、炭酸飲料、スポーツ飲料等)、菓子類(ガム、キャンディー、キャラメル、チョコレート、クッキー、スナック、ゼリー、グミ、錠菓等)、麺類(そば、うどん、ラ
ーメン等)、乳製品(ミルク、アイスクリーム、ヨーグルト等)、調味料(味噌、醤油等)、スープ類、をはじめとする一般食品や、健康食品(錠剤、カプセル等)、栄養補助食品(サプリメント、栄養ドリンク等)が挙げられる。
これら食品組成物には、その種類に応じて種々の成分を配合することができ、例えば、ブドウ糖、果糖、ショ糖、マルトース、ソルビトール、ステビオサイド、コーンシロップ、乳糖、クエン酸、酒石酸、リンゴ酸、コハク酸、乳酸、L−アスコルビン酸、dl−α−トコフェロール、エリソルビン酸ナトリウム、グリセリン、プロピレングリコール、グリセリン脂肪酸エステル、ポリグリセリン脂肪酸エステル、ショ糖脂肪酸エステル、ソルビタン脂肪酸エステル、プロピレングリコール脂肪酸エステル、アラビアガム、カラギーナン、カゼイン、ゼラチン、ペクチン、寒天、ビタミンB類、ニコチン酸アミド、パントテン酸カルシウム、アミノ酸類、カルシウム塩類、色素、香料、保存剤等の食品添加物を任意に使用することができる。
Examples of the food composition for suppressing LPS production of the present invention include beverages (juice, coffee, tea, tea, carbonated beverages, sports beverages, etc.) and confectionery (gum, candy, caramel, chocolate, cookies, snacks, jelly). , Gummy, candy, etc.), noodles (soba, udon, ramen, etc.), dairy products (milk, ice cream, yogurt, etc.), seasonings (miso, soy sauce, etc.), soups, and other general foods Examples include health foods (tablets, capsules, etc.) and nutritional supplements (supplements, nutritional drinks, etc.).
Various ingredients can be blended in these food compositions depending on the type, for example, glucose, fructose, sucrose, maltose, sorbitol, stebioside, corn syrup, lactose, citric acid, tartrate, malic acid, etc. Succinic acid, lactic acid, L-ascorbic acid, dl-α-tocopherol, sodium erythorbicate, glycerin, propylene glycol, glycerin fatty acid ester, polyglycerin fatty acid ester, sucrose fatty acid ester, sorbitan fatty acid ester, propylene glycol fatty acid ester, Arabic gum , Carrageenan, casein, gelatin, pectin, agar, vitamin Bs, nicotinic acid amide, calcium pantothenate, amino acids, calcium salts, pigments, fragrances, preservatives and other food additives can be optionally used.
本発明のLPS産生抑制剤は、特に限定されないが、GR及び/又はSFNを合計で0.03質量%以上含有していることが好ましく、1質量%以上含有していることがより好ましく、5質量%以上含有していることが特に好ましい。
また、本発明のLPS産生抑制用の食品組成物は、特に限定されないが、GR及び/又はSFNを合計で0.01質量%以上含有していることが好ましく、0.05質量%以上含有していることがより好ましく、0.25質量%以上含有していることが特に好ましい。
The LPS production inhibitor of the present invention is not particularly limited, but preferably contains GR and / or SFN in a total amount of 0.03% by mass or more, and more preferably 1% by mass or more. It is particularly preferable that the content is mass% or more.
The food composition for suppressing LPS production of the present invention is not particularly limited, but preferably contains GR and / or SFN in a total amount of 0.01% by mass or more, and preferably 0.05% by mass or more. It is more preferable that the content is 0.25% by mass or more, and it is particularly preferable that the content is 0.25% by mass or more.
本発明のLPS産生抑制剤の投与量、又はLPS産生抑制用の食品組成物の摂取量は、投与/摂取する対象がヒトである場合、その性別、症状、年齢、投与方法によって異なるが、GR及び/又はSFNが通常、成人(体重60kg程度)1日当たり30mg以上であることが、LPS産生抑制作用が十分に発揮される観点から好ましい。この1日当たりの量を一度に又は数回に分けて投与/摂取することができ、そのタイミングとしては、食前、食後、食間のいずれでもよい。また、投与/摂取期間は特に限定されない。
なお、「1日当たり30mg以上」とは、食品組成物の形態によって異なるが、表示される1日の摂取目安量や、通常1度で消費する飲みきりタイプの飲料であれば1本当たりに含まれる量を指すものである。
The dose of the LPS production inhibitor of the present invention or the intake of the food composition for suppressing LPS production varies depending on the sex, symptom, age, and administration method of a human being to be administered / ingested, but GR And / or SFN is usually 30 mg or more per day for an adult (body weight of about 60 kg), which is preferable from the viewpoint of sufficiently exerting the LPS production inhibitory effect. This daily amount can be administered / ingested at one time or in several divided doses, and the timing may be any of pre-meal, post-meal, and inter-meal. The administration / intake period is not particularly limited.
In addition, "30 mg or more per day" varies depending on the form of the food composition, but it is included in the displayed daily intake guideline amount and in the case of a single-drink type beverage that is normally consumed at one time. It refers to the amount of food that is consumed.
本明細書において「LPS産生抑制」作用とは、血中、特に血漿中のLPS濃度を低下させる作用、又は、血中、特に血漿中のLPS濃度の上昇を抑制する作用をいう。すなわち、本発明のLPS産生抑制剤及びLPS産生抑制用の食品組成物は、血中のLPS濃度が高めの人や血中のLPS濃度が気になる人の食生活の改善に役立つ機能性を有するものである。
また、本明細書において「LPS産生抑制」作用とは、血中、特に血漿中のLPS結合タンパク質(LBP)濃度を低下させる作用、又は、血中、特に血漿中のLBP濃度の上昇を抑制する作用であってもよい。これは、後述の実施例で示されるように、血中、特に血漿中のLPS濃度は、血漿中のLBP濃度とパラレルな関係にあり、ともにGR投与により抑制されることに基づく。本発明における「LPS産生抑制」作用は、LBP濃度を測定してその低下又は上昇抑制を観察することにより評価することができる。したがって、本発明のLPS産生抑制剤及びLPS産生抑制用の食品組成物は、血中のLBP濃度が高めの人や血中のLBP濃度が気になる人の食生活の改善に役立つ機能性を有するものでもある。
As used herein, the "LPS production inhibitory" action refers to an action of lowering the LPS concentration in blood, particularly plasma, or an action of suppressing an increase in LPS concentration in blood, particularly plasma. That is, the LPS production inhibitor and the food composition for suppressing LPS production of the present invention have functionality that is useful for improving the eating habits of a person having a high LPS concentration in blood or a person who is concerned about the LPS concentration in blood. Have.
Further, in the present specification, the "LPS production inhibitory" action is an action of lowering the LPS-binding protein (LBP) concentration in blood, particularly in plasma, or an action of suppressing an increase in LBP concentration in blood, particularly plasma. It may be an action. This is based on the fact that the LPS concentration in blood, especially in plasma, has a parallel relationship with the LBP concentration in plasma, and both are suppressed by GR administration, as shown in Examples described later. The "LPS production inhibitory" effect in the present invention can be evaluated by measuring the LBP concentration and observing its decrease or increase. Therefore, the LPS production inhibitor and the food composition for suppressing LPS production of the present invention have functionality that is useful for improving the eating habits of a person having a high blood LBP concentration or a person who is concerned about the blood LBP concentration. It also has.
後述の実施例にて示される通り、本発明のLPS産生抑制剤の作用は、GR及び/SFNによって腸内細菌叢が改善されることにより発揮されるものであると考えられる。ここで、「腸内細菌叢の改善」とは、腸内細菌叢内のLPS産生菌(通常はエンドトキシン活性を有するLPSを産生する、プロテオバクテリア門に属するグラム陰性菌を指す)の存
在数の割合もしくは絶対数が減少する、又は増加が抑制されることをいう。また、さらに詳しく述べれば、「腸内細菌叢の改善」とは、腸内細菌叢内のLPS産生菌の中でもプロテオバクテリア門に属するデスルフォビブリオ科に属する菌の存在数の割合もしくは絶対数が減少する、又は増加が抑制されることをいう。
したがって、本発明の他の態様として、GR及び/又はSFNを有効成分として含有する、腸内細菌叢改善剤も提供される。
本発明の腸内細菌叢改善剤は、食品組成物に含有させる態様とすることも好ましい。すなわち、本発明のさらなる側面として、GR及び/又はSFNを有効成分として含有する、腸内細菌叢改善用の食品組成物が提供される。
本発明の腸内細菌叢改善剤及び腸内細菌叢改善用の食品組成物の有効成分、投与量、態様等の具体的な説明については、前述したLPS産生抑制剤及びLPS産生抑制用の食品組成物の説明に準ずる。
As shown in Examples described later, it is considered that the action of the LPS production inhibitor of the present invention is exerted by improving the intestinal bacterial flora by GR and / SFN. Here, "improvement of the intestinal flora" refers to the number of LPS-producing bacteria (which usually refers to Gram-negative bacteria belonging to the phylum Proteobacteria that produce LPS having endotoxin activity) in the intestinal flora. It means that the ratio or absolute number decreases or the increase is suppressed. More specifically, "improvement of the intestinal flora" means the ratio or absolute number of LPS-producing bacteria in the intestinal flora that belong to the family Desulfovibrionales belonging to the phylum Proteobacteria. It means that the decrease or increase is suppressed.
Therefore, as another aspect of the present invention, an intestinal bacterial flora improving agent containing GR and / or SFN as an active ingredient is also provided.
It is also preferable that the intestinal bacterial flora improving agent of the present invention is contained in a food composition. That is, as a further aspect of the present invention, there is provided a food composition for improving the intestinal bacterial flora, which contains GR and / or SFN as an active ingredient.
For specific explanations of the active ingredient, dose, mode, etc. of the intestinal bacterial flora improving agent and the food composition for improving the intestinal bacterial flora of the present invention, the above-mentioned LPS production inhibitor and food for suppressing LPS production are described. Follow the description of the composition.
本発明のLPS産生抑制用の食品組成物及び腸内細菌叢改善用の食品組成物は、前述した機能性や生体に対する有用な作用に基づいて、好適に機能性表示食品や特定保健用食品とすることができる。 The food composition for suppressing LPS production and the food composition for improving the intestinal bacterial flora of the present invention are suitably combined with foods with functional claims and foods for specified health use based on the above-mentioned functionality and useful action on the living body. can do.
本発明のLPS産生抑制剤、LPS産生抑制用の食品組成物、腸内細菌叢改善剤、及び腸内細菌叢改善用の食品組成物は、LPSが高値であることに関連する疾患や病態の予防及び/又は改善に有用となり得る。例えば、生活習慣病(肥満症、2型糖尿病、脂質異常症、高血圧、脂肪肝炎、脳卒中、心臓病)、動脈硬化、癌、アルツハイマー病、パーキンソン病、種々の自己免疫病(関節リウマチ、乾癬、自己免疫性肝炎、自己免疫性甲状腺炎、自己免疫性溶血性貧血、自己免疫性腎炎、潰瘍性大腸炎、紅班性狼瘡、シェーグレン症候群など)、うつ病、慢性疲労などの慢性疾病、等の予防及び/又は改善に効果が期待される。 The LPS production inhibitor, the food composition for suppressing LPS production, the intestinal bacterial flora improving agent, and the food composition for improving the intestinal bacterial flora of the present invention are used for diseases and pathological conditions related to high LPS levels. Can be useful for prevention and / or improvement. For example, lifestyle diseases (obesity, type 2 diabetes, dyslipidemia, hypertension, steatosis, stroke, heart disease), arteriosclerosis, cancer, Alzheimer's disease, Parkinson's disease, various autoimmune diseases (rheumatoid arthritis, psoriasis, etc.) Autoimmune hepatitis, autoimmune thyroiditis, autoimmune hemolytic anemia, autoimmune nephritis, ulcerative colitis, erythema erythema, Schegren's syndrome, etc.), depression, chronic diseases such as chronic fatigue, etc. Expected to be effective in prevention and / or improvement.
本発明に係る剤又は食品組成物の有する有用性や機能性に関しては、製品化の際に次のような表示を付してもよい。例えば、「血中LPS濃度を低下させる機能性」、「血中LPS濃度の上昇を抑制する機能性」、「血中LPS濃度が高めの人の食生活の改善に役立つ機能性」、「血中LPS濃度が気になる人の食生活の改善に役立つ機能性」、「血中LPS濃度の上昇が気になる人の食生活の改善に役立つ機能性」、「血中LBP濃度を低下させる機能性」、「血中LBP濃度の上昇を抑制する機能性」、「血中LBP濃度が高めの人の食生活の改善に役立つ機能性」、「血中LBP濃度が気になる人の食生活の改善に役立つ機能性」、「血中LBP濃度の上昇が気になる人の食生活の改善に役立つ機能性」、「腸内細菌叢を改善させる機能性」、「腸内のLPS産生菌を減少させる機能性」、「腸内のLPS産生菌の増加を抑制する機能性」、「腸内細菌叢の改善に役立つ機能性」等の表示が挙げられる。
なお、これらの表示は、公知の方法で容器包装手段に付すことができる。
Regarding the usefulness and functionality of the agent or food composition according to the present invention, the following labeling may be attached at the time of commercialization. For example, "functionality that lowers blood LPS concentration", "functionality that suppresses increase in blood LPS concentration", "functionality that helps improve the eating habits of people with high blood LPS concentration", "blood""Functionality that helps improve the eating habits of people who are concerned about medium LPS concentration", "Functionality that helps improve eating habits of people who are concerned about increased blood LPS concentration", "Reduces blood LBP concentration""Functionality","Functionality that suppresses the increase in blood LBP concentration", "Functionality that helps improve the eating habits of people with high blood LBP concentration", "Food of people who are concerned about blood LBP concentration""Functionality that helps improve life", "Functionality that helps improve the eating habits of people who are concerned about an increase in blood LBP concentration", "Functionality that improves the intestinal flora", "LPS production in the intestine" Labels such as "functionality to reduce bacteria", "functionality to suppress the increase of LPS-producing bacteria in the intestine", and "functionality to help improve the intestinal flora" can be mentioned.
In addition, these indications can be attached to the container packaging means by a known method.
次に実施例を挙げて本発明を詳細に説明するが、本発明はこれらの実施例に限定されるものではない。 Next, the present invention will be described in detail with reference to Examples, but the present invention is not limited to these Examples.
<ブロッコリースプラウト抽出物の調製>
以下の手順でGRを高含有するブロッコリースプラウト(BS)抽出物を調製した。
ブロッコリーの種子(Caudill Seed Co., Inc.)を発芽させ、発芽後1日間栽培して「1day BS」を得た。これを熱水抽出(95℃、30分間)に供し、BS残渣を除去
した。当該抽出液をロータリーエバポレーターを用いて約10倍濃縮した後、デキストリンと混合し、スプレードライ法により粉末化した。最終的に得られたBS抽出粉末中のGR含量を高速液体クロマトグラフィー(HPLC)法により測定したところ、135mg
/gであった。このBS抽出粉末を、後述の動物試験に使用した。
<Preparation of broccoli sprout extract>
A broccoli sprout (BS) extract having a high GR content was prepared by the following procedure.
Broccoli seeds (Caudill Seed Co., Inc.) were germinated and cultivated for 1 day after germination to obtain "1day BS". This was subjected to hot water extraction (95 ° C., 30 minutes) to remove BS residue. The extract was concentrated about 10 times using a rotary evaporator, mixed with dextrin, and pulverized by a spray-drying method. The GR content in the finally obtained BS extract powder was measured by high performance liquid chromatography (HPLC) method and found to be 135 mg.
It was / g. This BS extract powder was used in the animal test described later.
<動物試験>
動物試験は、「standards set forth in the Guidelines for the Care and Use of Laboratory Animals at Kanazawa University」に則って実施した。
雄性C57BL/6Jslcマウス(7週齢、日本SLC)を用い、明暗12時間周期の飼育室に
て試験を行った。1週間の馴化後、マウスを4群に分け(各群n=9)、各群の飼料を通常食(10% kcal from fat, D12450B, Research Diets)、0.3質量%のGRを含有する通常食、高脂肪食(60% kcal from fat, D12492, Research Diets)、又は0.3質量%
のGRを含有する高脂肪食に切り換えて14週間摂取させた。なお、GR含有通常食及びGR含有高脂肪食の飼料には、GR含量が0.3質量%となるように2.2質量%のBS抽出粉末を混合した。一方、通常食及び高脂肪食の飼料にはそれぞれ、2.2質量%のデキストリンを混合した。各食餌群とも14週間の摂取期間の後、マウスを頸椎脱臼により安楽死させ、血液及び盲腸内容物を採取した。採取した血液は、血漿調製用の採血管に入れた後、遠心分離を行い、その上清を血漿試料とした。
<Animal test>
Animal studies were conducted in accordance with "standards set forth in the Guidelines for the Care and Use of Laboratory Animals at Kanazawa University".
Using male C57BL / 6Jslc mice (7 weeks old, Japan SLC), the test was conducted in a breeding room with a 12-hour cycle of light and dark. After 1 week of acclimatization, the mice were divided into 4 groups (n = 9 in each group), and the diet of each group contained a normal diet (10% kcal from fat, D12450B, Research Diets) and 0.3% by mass GR. Normal diet, high fat diet (60% kcal from fat, D12492, Research Diets), or 0.3% by mass
The diet was switched to a high-fat diet containing GR and was ingested for 14 weeks. The feeds of the GR-containing normal diet and the GR-containing high-fat diet were mixed with 2.2% by mass of BS extract powder so that the GR content was 0.3% by mass. On the other hand, 2.2% by mass of dextrin was mixed with the normal diet and the high-fat diet, respectively. After a 14-week ingestion period in each diet group, mice were euthanized by cervical dislocation and blood and cecal contents were collected. The collected blood was placed in a blood collection tube for plasma preparation and then centrifuged, and the supernatant was used as a plasma sample.
<血中指標の測定>
前記血漿試料に対して、Limulus amebocyte lysate assay kit(QCL-1000; Lonza)を
用いて血漿LPS濃度を測定した。また、前記血漿試料に対して、LBP, soluble (mouse)
ELISA kit(Enzo Life Sciences)を用いて血漿LBP濃度を測定した。
<Measurement of blood index>
The plasma LPS concentration of the plasma sample was measured using a Limulus amebocyte lysate assay kit (QCL-1000; Lonza). In addition, for the plasma sample, LBP, soluble (mouse)
Plasma LBP concentration was measured using an ELISA kit (Enzo Life Sciences).
<腸内細菌叢解析>
採取した盲腸内容物からQIAamp DNA Stool Mini Kit(QIAGEN)を用いて、盲腸内細菌
由来のDNAを抽出した。その後、既に報告されているKimらの方法(Kim et al., DNA RESEARCH, 20, 241-253, 2013)に従い、次世代シーケンサーGS Junior(Roche)を用いて16s rRNAの塩基配列を取得した。続いて、得られた16s rRNA塩基配列のうち、4,000リー
ド/サンプルを盲腸内細菌叢の解析に供した。前述のKimらと同様に構築したパイプライ
ン及びデータベースを使用し、OTU(Operational Taxonomic Unit)の作成及びBLAST検索による菌種帰属の同定を実施した。また、キメラ配列の排除についても前述のKimらの手法を用いて行った。
<Gut microbiota analysis>
DNA derived from cecal bacteria was extracted from the collected cecal contents using the QIAamp DNA Stool Mini Kit (QIAGEN). Then, according to the previously reported method of Kim et al. (Kim et al., DNA RESEARCH, 20, 241-253, 2013), the base sequence of 16s rRNA was obtained using the next-generation sequencer GS Junior (Roche). Subsequently, 4,000 reads / sample of the obtained 16s rRNA base sequence were subjected to analysis of the cecal bacterial flora. Using the pipeline and database constructed in the same manner as Kim et al., OTU (Operational Taxonomic Unit) was created and bacterial species attribution was identified by BLAST search. The chimeric sequence was also eliminated using the method of Kim et al. described above.
<総菌数の測定>
マウスから採取した盲腸内容物を滅菌したpH7.4のリン酸緩衝生理食塩水(PBS)に懸濁し、ポリトロンミキサーを用いたホモジナイズ(10,000 rpm, 1 min)を行った
後、懸濁液を100 μm孔径のセルストレーナー(BDファルコン)で濾過した。濾液を遠
心分離(3,000×g, 10 min, 4℃)に供し、上清を除去した。沈殿物(細菌ペレット)に4% (w/v) パラフォルムアルデヒドを添加し、30分間静置することにより細菌を固定した。遠心分離(3,000×g, 10 min, 4℃)により上清を除いた後、固定した細菌をPBSに懸
濁し、適宜希釈した後、0.2 μm孔径のメンブレンフィルター(Millipore)で濾過することで、細菌をフィルター上に捕集した。1 μg/mLのDAPI(4',6-diamidino-2-phenylindole, Sigma)水溶液1 mLにフィルターを浸し、暗所、室温で5分間静置して染色した。染色後、無蛍光イマージョンオイル(ニコン)を1滴載せたAPSコート付スライドグラス(松浪硝子)上にフィルターを置いた。続いてフィルター上に無蛍光イマージョンオイルを1滴滴下し、カバーグラスで封入した。その後、蛍光顕微鏡BIOREVO BZ-9000(キー
エンス)を用いて紫外線励起光下で10視野の観察を行ない、青色発光した細菌数を計数して平均値を算出した。以下の式に従って、細菌液1 mL中及び盲腸内容物1 g中の総菌数
を求めた。
N1[/mL]=(n×S[μm2])/(A[μm2]×V1[mL])
(N1:細菌液1 mL中の総菌数、n:1視野当たりの平均細菌数、S:フィルターの有
効濾過面積、A:観察視野面積、V1:濾過した細菌液量)
<Measurement of total bacterial count>
The cecal contents collected from mice were suspended in sterile phosphate buffered saline (PBS) at pH 7.4, homogenized using a polytron mixer (10,000 rpm, 1 min), and then the suspension was 100. It was filtered with a cell strainer (BD Falcon) having a μm pore size. The filtrate was centrifuged (3,000 × g, 10 min, 4 ° C.) and the supernatant was removed. Bacteria were fixed by adding 4% (w / v) paraformaldehyde to the precipitate (bacterial pellet) and allowing it to stand for 30 minutes. After removing the supernatant by centrifugation (3,000 x g, 10 min, 4 ° C), the fixed bacteria are suspended in PBS, diluted appropriately, and then filtered through a membrane filter (Millipore) with a pore size of 0.2 μm. Bacteria were collected on the filter. The filter was immersed in 1 mL of a 1 μg / mL DAPI (4', 6-diamidino-2-phenylindole, Sigma) aqueous solution, and allowed to stand in a dark place at room temperature for 5 minutes for staining. After dyeing, the filter was placed on a slide glass (Matsunami Glass) with an APS coat on which a drop of non-fluorescent immersion oil (Nikon) was placed. Subsequently, a drop of non-fluorescent imaging oil was dropped onto the filter and sealed with a cover glass. Then, 10 fields of view were observed under ultraviolet excitation light using a fluorescence microscope BIOREVO BZ-9000 (Keyence), and the number of bacteria that emitted blue light was counted to calculate the average value. The total number of bacteria in 1 mL of bacterial solution and 1 g of cecal contents was determined according to the following formula.
N 1 [/ mL] = (n × S [μm 2 ]) / (A [μm 2 ] × V 1 [mL])
(N 1 : Total number of bacteria in 1 mL of bacterial solution, n: Average number of bacteria per field of view, S: Effective filtration area of filter, A: Observation field area, V 1 : Volume of filtered bacterial solution)
<結果>
各食餌群のマウスの血漿LPS濃度を図1に示す。高脂肪食群において、GRを含有する食餌を摂取した場合は、GRを含有しない場合に比べて有意に血漿LPS濃度が低値であった。この結果より、GRによるLPS産生抑制効果は、LPSが高値となり得る状態においてより得られやすいことが分かる。
各食餌群のマウスの血漿LBP濃度を図2に示す。高脂肪食群において、GRを含有する食餌を摂取した場合は、GRを含有しない場合に比べて有意に血漿LBP濃度が低値であった。この結果より、GRによるLBP抑制効果は、LBPが高値となり得る状態においてより得られやすいことが分かる。また、この結果は、前述の血漿LPS濃度の結果とよく一致した。
腸内細菌叢解析による各食餌群のマウスの盲腸内細菌を門レベルで測定し、その相対菌数(割合)を図3に、盲腸内細菌中のプロテオバクテリアの相対菌数(割合)を図4に、盲腸内細菌中のデスルフォビブリオの相対菌数(割合)を図5にそれぞれ示す。高脂肪食群において、GRを含有する食餌を摂取した場合は、GRを含有しない場合に比べて盲腸内におけるプロテオバクテリアの相対菌数が有意に小さかった。また、盲腸内の総菌数の測定値について各群間に有意な差はなかった。さらに、盲腸内におけるプロテオバクテリアの中でも最も多かったデスルフォビブリオの盲腸内における相対菌数は、高脂肪食群において、GRを含有する食餌を摂取した場合は、GRを含有しない場合に比べて有意に小さかった。また、通常食群においても、GRを含有する食餌を摂取した場合は、GRを含有しない場合に比べ、プロテオバクテリア及びデスルフォビブリオの盲腸内における相対菌数は、中央値が低値であった。これらの結果から、GRを含有する食餌を摂取した場合は、腸内細菌叢におけるプロテオバクテリアの絶対数が小さくなることが分かる。さらに言えば、プロテオバクテリアの中でもデスルフォビブリオの絶対数が小さくなることが分かる。
全ての食餌群のマウスの盲腸内細菌におけるプロテオバクテリアの相対菌数(割合)と血漿LPS濃度との関係を図6に示す。統計解析の結果、両者の間に有意な(p<0.05)正の相関が認められ、GRを含有する食餌を摂取した場合は、腸内細菌叢改善作用とともにLPS産生抑制作用が発揮されることが分かる。
なお、GRの代謝物であり活性本体であると考えられているSFNを用いた場合も、本実施例の結果と同様にLPS産生抑制作用及び腸内細菌叢改善作用を発揮すると推測される。
<Result>
The plasma LPS concentration of mice in each diet group is shown in FIG. In the high-fat diet group, when a diet containing GR was ingested, the plasma LPS concentration was significantly lower than that in the case not containing GR. From this result, it can be seen that the effect of suppressing LPS production by GR is more likely to be obtained in a state where LPS can be high.
The plasma LBP concentration of mice in each diet group is shown in FIG. In the high-fat diet group, when a diet containing GR was ingested, the plasma LBP concentration was significantly lower than that in the case not containing GR. From this result, it can be seen that the LBP suppressing effect by GR is more likely to be obtained in a state where the LBP can be a high value. Moreover, this result was in good agreement with the result of the plasma LPS concentration described above.
The cecal bacteria of mice in each diet group were measured at the portal level by intestinal flora analysis, and the relative number (ratio) of the relative bacteria is shown in FIG. 3, and the relative number (ratio) of proteobacteria in the cecal bacteria is shown. 4 shows the relative number (ratio) of desulfobibrio in the cecal bacteria, respectively, in FIG. In the high-fat diet group, when a diet containing GR was ingested, the relative number of proteobacteria in the cecum was significantly smaller than that in the case without GR. In addition, there was no significant difference between the groups in the measured values of the total number of bacteria in the cecum. Furthermore, the relative number of desulfovibrio in the cecum, which was the highest among the proteobacteria in the cecum, was significantly higher in the high-fat diet group when ingesting a diet containing GR than in the case without GR. It was small. In addition, even in the normal diet group, when a diet containing GR was ingested, the median relative number of proteobacteria and desulfovibrio in the cecum was lower than that in the case not containing GR. .. From these results, it can be seen that the absolute number of proteobacteria in the intestinal flora decreases when a diet containing GR is ingested. Furthermore, it can be seen that the absolute number of desulfovibrio among Proteobacteria is small.
FIG. 6 shows the relationship between the relative number (ratio) of proteobacteria in the cecal bacteria of mice of all diet groups and the plasma LPS concentration. As a result of statistical analysis, a significant (p <0.05) positive correlation was observed between the two, and when a diet containing GR was ingested, an effect of improving the intestinal flora and an effect of suppressing LPS production were exhibited. You can see that.
It is presumed that even when SFN, which is a metabolite of GR and is considered to be the active body, is used, it exerts an LPS production inhibitory effect and an intestinal bacterial flora improving effect as in the results of this example.
本発明により、腸内細菌叢を改善し、LPSの産生を抑制するという、GR及びSFNの新たな用途が提供される。GR及び/又はSFNを有効成分として含有する、本発明のLPS産生抑制剤、LPS産生抑制用の食品組成物、腸内細菌叢改善剤、及び腸内細菌叢改善用の食品組成物は、LPSが高値であることに関連する疾患や病態の予防及び/又は改善に有用である。特に本発明の食品組成物は、機能性表示食品や特定保健用食品として消費者の健康志向にアピールするものとなり得る。 The present invention provides new uses for GR and SFN to improve the gut microbiota and suppress the production of LPS. The LPS production inhibitor, the food composition for suppressing LPS production, the intestinal flora improving agent, and the food composition for improving the intestinal flora, which contain GR and / or SFN as an active ingredient, are LPS. It is useful for the prevention and / or amelioration of diseases and pathological conditions associated with high values. In particular, the food composition of the present invention can appeal to consumers' health consciousness as a food with functional claims or a food for specified health use.
Claims (12)
それが有効成分として含有するのは、グルコラファニン(GR)及びスルフォラファン(SFN)から選択される一以上であり、
前記血中LPS濃度低下は、腸内におけるLPS産生が抑制されることによるものである。It is a blood LPS concentration lowering agent and
To contain it as an active ingredient state, and are one or more selected from glucoraphanin (GR) and sulforaphane (SFN),
The LPS concentration decreases in blood, Ru der due to LPS production in the intestine is suppressed.
それが有効成分として含有するのは、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上であり、
前記血中LPS濃度低下は、腸内におけるLPS産生が抑制されることによるものである。It is a blood LPS concentration lowering agent and
It to contain as an active ingredient, Brassicaceae, Ri its extract or fraction thereof, and der one or more selected from the pulverized material,
The LPS concentration decreases in blood, Ru der due to LPS production in the intestine is suppressed.
前記アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、ブロッコリースプラウト又はブロッコリーの種子、その抽出物又はその分画、及びその粉砕物である。The agent of claim 2
The cruciferous plant, an extract thereof or a fraction thereof, and a crushed product thereof are seeds of broccoli sprout or broccoli, an extract thereof or a fraction thereof, and a crushed product thereof.
それが寄与成分として含有するのは、GR及びSFNから選択される一以上であり、
前記血中LPS濃度低下は、腸内におけるLPS産生が抑制されることによるものである。A food composition for lowering blood LPS concentration.
The it contains as contributing component state, and are one or more selected from GR and SFN,
The LPS concentration decreases in blood, Ru der due to LPS production in the intestine is suppressed.
それが寄与成分として含有するのは、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上であり、
前記血中LPS濃度低下は、腸内におけるLPS産生が抑制されることによるものである。A food composition for lowering blood LPS concentration.
It to contain a contribution component, Brassicaceae state, and are one or more selected from the extract or a fraction thereof, and its pulverized product,
The LPS concentration decreases in blood, Ru der due to LPS production in the intestine is suppressed.
前記アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、ブロッコリースプラウト又はブロッコリーの種子、その抽出物又はその分画、及びその粉砕物である。The food composition of claim 5.
The cruciferous plant, an extract thereof or a fraction thereof, and a crushed product thereof are seeds of broccoli sprout or broccoli, an extract thereof or a fraction thereof, and a crushed product thereof.
それが有効成分として含有するのは、GR及びSFNから選択される一以上であり、
前記血中LPS濃度上昇抑制は、腸内におけるLPS産生が抑制されることによるもので ある。It is an inhibitor of blood LPS concentration increase,
It to contain as an active ingredient state, and are one or more selected from GR and SFN,
The blood concentration of LPS rise suppression Ru Oh due to LPS production in the intestine is suppressed.
それが有効成分として含有するのは、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上であり、
前記血中LPS濃度上昇抑制は、腸内におけるLPS産生が抑制されることによるもので ある。It is an inhibitor of blood LPS concentration increase,
It to contain as an active ingredient, Brassicaceae, Ri its extract or fraction thereof, and der one or more selected from the pulverized material,
The blood concentration of LPS rise suppression Ru Oh due to LPS production in the intestine is suppressed.
前記アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、ブロッコリースプラウト又はブロッコリーの種子、その抽出物又はその分画、及びその粉砕物である。The agent of claim 8
The cruciferous plant, an extract thereof or a fraction thereof, and a crushed product thereof are seeds of broccoli sprout or broccoli, an extract thereof or a fraction thereof, and a crushed product thereof.
それが寄与成分として含有するのは、GR及びSFNから選択される一以上であり、
前記血中LPS濃度上昇抑制は、腸内におけるLPS産生が抑制されることによるもので ある。A food composition for suppressing an increase in blood LPS concentration.
The it contains as contributing component state, and are one or more selected from GR and SFN,
The blood concentration of LPS rise suppression Ru Oh due to LPS production in the intestine is suppressed.
それが寄与成分として含有するのは、アブラナ科植物、その抽出物又はその分画、及びその粉砕物から選択される一以上であり、
前記血中LPS濃度上昇抑制は、腸内におけるLPS産生が抑制されることによるもので ある。A food composition for suppressing an increase in blood LPS concentration.
It to contain a contribution component, Brassicaceae state, and are one or more selected from the extract or a fraction thereof, and its pulverized product,
The blood concentration of LPS rise suppression Ru Oh due to LPS production in the intestine is suppressed.
前記アブラナ科植物、その抽出物又はその分画、及びその粉砕物は、ブロッコリースプラウト又はブロッコリーの種子、その抽出物又はその分画、及びその粉砕物である。
The food composition of claim 11.
The cruciferous plant, an extract thereof or a fraction thereof, and a crushed product thereof are seeds of broccoli sprout or broccoli, an extract thereof or a fraction thereof, and a crushed product thereof.
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