JP4708744B2 - Platelet aggregation inhibitory composition - Google Patents

Platelet aggregation inhibitory composition Download PDF

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JP4708744B2
JP4708744B2 JP2004208325A JP2004208325A JP4708744B2 JP 4708744 B2 JP4708744 B2 JP 4708744B2 JP 2004208325 A JP2004208325 A JP 2004208325A JP 2004208325 A JP2004208325 A JP 2004208325A JP 4708744 B2 JP4708744 B2 JP 4708744B2
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platelet aggregation
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pine bark
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美二 佐藤
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株式会社シールド・ラボ
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本発明は、松樹皮抽出物と人参とを含有する血小板凝集抑制組成物およびその用途に関する。   The present invention relates to a platelet aggregation-inhibiting composition containing a pine bark extract and carrots and uses thereof.

老齢者人口の急速な増加や食事内容の洋式化に伴い、生活習慣病に構造変化が起き、各種の血栓症または動脈硬化性疾患が医学的、社会医学的に重要な位置を占めるようになってきている。特に動脈硬化性疾患を基盤として発症する血栓の形成に重要な役割を果たすのは血小板である。また、心筋梗塞や脳梗塞などの血栓性疾患では血小板が凝集亢進状態にあるといわれている。
血小板は、各種の刺激物質により活性化されると種々の生理活性物質を放出するとともに凝集し、血栓を形成するが、特にアラキドン酸から産生されるトロンボキサンA2(TXA2)には、強力な血小板凝集・血管収縮作用が認められている。
したがって、血小板の凝集を抑制したり、血小板からTXA2などの生理活性物質の放出を抑制したり、それら生理活性物質の作用を抑制したりする物質が、血栓症および動脈硬化性疾患、ならびに血栓性疾患、例えば、動脈血栓、静脈血栓、一過性脳虚血性発作、心筋梗塞、脳梗塞、増殖性糸球体腎炎、急性虚血性腎不全、腎移植における拒絶反応、末梢動脈閉塞症、閉塞性四肢動脈硬化症、血栓性静脈炎などの予防または治療の目的によく使用されている。
With the rapid increase in the elderly population and the westernization of dietary content, structural changes have occurred in lifestyle-related diseases, and various thrombosis or arteriosclerotic diseases have become an important medical and social medical position. It is coming. In particular, platelets play an important role in the formation of blood clots that develop based on arteriosclerotic diseases. In addition, it is said that platelets are in an aggregation-promoting state in thrombotic diseases such as myocardial infarction and cerebral infarction.
When activated by various stimulating substances, platelets release various physiologically active substances and aggregate to form a thrombus. In particular, thromboxane A 2 (TXA 2 ) produced from arachidonic acid has a strong potential. Platelet aggregation and vasoconstriction were observed.
Therefore, substances that inhibit platelet aggregation, inhibit the release of physiologically active substances such as TXA 2 from platelets, or inhibit the action of these physiologically active substances are thrombosis, arteriosclerotic diseases, and thrombus. Diseases such as arterial thrombus, venous thrombus, transient cerebral ischemic stroke, myocardial infarction, cerebral infarction, proliferative glomerulonephritis, acute ischemic renal failure, rejection in renal transplantation, peripheral artery occlusion, obstructive It is often used for the prevention or treatment of limb arteriosclerosis and thrombophlebitis.

フランス海岸松樹皮抽出物は、フランス海岸松の樹皮から採れる天然の食品素材として利用され、例えばピクノジェノール(登録商標)という名称の栄養補助食品として世界的に広く利用されている。最近の研究では、このフランス海岸松樹皮抽出物が血小板活性を抑制することが明らかにされている(非特許文献1)。
Ronald R Watson、Pycnogenol and cardiovascular health、"Evidence-Based Integrative Medicine"、Open Mild Journals Ltd、2003年、第1巻、第1号、p.27−32
French coast pine bark extract is used as a natural food material obtained from the bark of French coast pine, and is widely used worldwide as a dietary supplement named, for example, Pycnogenol (registered trademark). Recent research has revealed that this French coastal pine bark extract suppresses platelet activity (Non-patent Document 1).
Ronald R Watson, Pycnogenol and cardiovascular health, “Evidence-Based Integrative Medicine”, Open Mild Journals Ltd, 2003, Vol. 1, No. 1, p. 27-32

しかし、フランス海岸松樹皮抽出物は、天然由来物であり、安全性に優れている反面、血小板凝集を抑制する効果が十分とはいえないため、安全性にも血小板凝集抑制効果にも優れた組成物が、血栓症および動脈硬化性疾患ならびに血栓性疾患などの予防や治療のために求められてきている。
本発明は、安全性にも血小板凝集抑制効果にも優れている血小板凝集抑制組成物を提供することを目的とする。
However, the French coastal pine bark extract is a natural product and is excellent in safety, but it is not sufficient in suppressing platelet aggregation. Compositions have been sought for the prevention and treatment of thrombosis and arteriosclerotic diseases and thrombotic diseases.
An object of this invention is to provide the platelet aggregation inhibitory composition which is excellent in safety and the platelet aggregation inhibitory effect.

本発明者らは、鋭意研究を重ねた結果、松樹皮抽出物と人参とを併用することで、両者の相乗作用により、それぞれを単独で使用する場合よりも優れた血小板抑制効果が得られることを見出し、本発明を完成させた。
すなわち、本発明は、松樹皮抽出物と人参とを含有する血小板凝集抑制組成物およびその用途に関する。
As a result of intensive research, the inventors of the present invention use a pine bark extract and carrot together to obtain a platelet inhibitory effect superior to the case where each is used alone due to the synergistic effect of both. The present invention was completed.
That is, the present invention relates to a platelet aggregation inhibitory composition containing a pine bark extract and ginseng and its use.

本発明の組成物は、松樹皮抽出物と人参との相乗作用により、それぞれを単独で使用した場合よりも優れた血小板凝集抑制効果を発揮できる。また、本発明の血小板凝集抑制組成物は、安全性に優れ長期に服用または摂取が可能である。   The composition of this invention can exhibit the platelet aggregation inhibitory effect superior to the case where each is used independently by the synergistic effect of a pine bark extract and a carrot. The platelet aggregation inhibiting composition of the present invention is excellent in safety and can be taken or ingested for a long time.

本発明に使用される松樹皮抽出物として、フランス海岸松〔French Maritime、Pinus MaritimaまたはPinus Pinaster〕、カラマツ、クロマツ、アカマツ、ヒメコマツ、ゴヨウマツ、チョウセンマツ、ハイマツ、リュウキュウマツ、ウツクシマツ、ダイオウマツおよびシロマツ、ならびにアネダなどのマツ目に属する植物などの樹皮抽出物が挙げられる。好ましくは、本発明の松樹皮抽出物はフランス海岸松樹皮抽出物である。本発明の組成物は、これら松樹皮抽出物を1種以上含有してもよい。   As pine bark extracts used in the present invention, French maritime pine (French Maritime, Pinus Maritima or Pinus Pinaster), larch, black pine, Japanese red pine, Japanese pine, Korean pine, Korean pine, pine, Ryukyu pine, Utsukushima pine, Japanese pine and white pine And bark extracts of plants belonging to the order of Pinae such as Aneda. Preferably, the pine bark extract of the present invention is a French coastal pine bark extract. The composition of the present invention may contain one or more of these pine bark extracts.

上記のフランス海岸松樹皮抽出物は、オリゴメリック プロアントシアニジン(OPC)を主成分とした約40種類の有機酸を含む。   The above French coastal pine bark extract contains about 40 kinds of organic acids mainly composed of oligomeric proanthocyanidins (OPC).

本発明の人参として、例えば、薬用人参、竹節人参、西洋人参または田七人参などが挙げられる。
上記の薬用人参は、オタネニンジン(学名:Panax ginseng C.A. Meyer)の根のことで、朝鮮人参、高麗人参、白参または御種人参などとも称されている。
上記の竹節人参は、トチバニンジン(学名:Panax japonicus C. A. Meyer)の根茎のことで、竹参または土参などとも称されている。
上記の西洋人参は、アメリカニンジン(学名:Panax quinquefolium L.)の根のことで、アメリカ人参、洋参または広東人参などとも称されている。
上記の田七人参は、サンシチニンジン(学名:Panax notoginseng BurkillまたはPanax notoginseng F.H. Chen)の根のことで、田七、三七人参、田三七または人参三七などとも称されている。
Examples of the ginseng of the present invention include medicinal ginseng, bamboo ginseng, western ginseng, and ginseng.
The above ginseng is the root of Panax ginseng (Mechanical name: Panax ginseng CA Meyer) and is also called ginseng, ginseng, white ginseng, or ginseng.
The above bamboo ginseng is a rhizome of tochibaninjin (scientific name: Panax japonicus CA Meyer), and is also called bamboo ginseng or dosansho.
The above-mentioned Western ginseng is the root of American carrot (scientific name: Panax quinquefolium L.), and is also called American ginseng, ginseng or Cantonese ginseng.
The above seven ginsengs are the roots of sanchinin ginseng (scientific name: Panax notoginseng Burkill or Panax notoginseng FH Chen), and are also referred to as Tanachi, 37 Ginseng, Thirty-seventh or Ginseng thirty-seven.

本発明において、上記の人参の細片、粉末またはこれらの懸濁液:あるいは上記の人参の抽出液、濃縮抽出液またはエキス末などの抽出物を、単独で使用してもよいし、2種以上を併用してもよい。本発明では、人参の抽出物、特にエキス末が好適に使用できる。   In the present invention, ginseng strips, powders or suspensions thereof, or extracts such as ginseng extract, concentrated extract or extract powder may be used alone or in combination of two kinds. You may use the above together. In the present invention, ginseng extract, particularly extract powder, can be used preferably.

本発明の組成物中の松樹皮抽出物および人参の配合量は特に制限されない。しかし、本発明の組成物は、松樹皮抽出物1重量部に対して、人参を、優れた血小板凝集抑制効果が得られる点から、5重量部以上、好ましくは10重量部以上、より好ましくは30重量部以上含有する。人参の配合量の上限は、特に限定されないが、松樹皮抽出物1重量部に対して好ましくは100重量部以下である。好ましくは、本発明の組成物は松樹皮抽出物1重量部に対して人参を30〜100重量部含有する。
上記の松樹皮抽出物の量は乾燥重量を表す。
また、上記の人参の量は、原生薬換算量を意味する。ここで、原生薬換算量とは、人参の細片、粉末、これらの懸濁液または抽出物をある一定量得るのに必要であった人参の乾燥物、例えば乾燥した細片または粉末の重量をいう。例えば、エキス末2重量部を人参の乾燥粉末10重量部から得た場合、該人参エキス末2重量部は原生薬換算量で10重量部と表される。
The compounding quantity of the pine bark extract and carrot in the composition of the present invention is not particularly limited. However, the composition of the present invention is not less than 5 parts by weight, preferably not less than 10 parts by weight, more preferably not less than 10 parts by weight, in terms of obtaining an excellent platelet aggregation inhibitory effect with respect to 1 part by weight of the pine bark extract. Contains 30 parts by weight or more. The upper limit of the amount of ginseng is not particularly limited, but is preferably 100 parts by weight or less with respect to 1 part by weight of the pine bark extract. Preferably, the composition of the present invention contains 30 to 100 parts by weight of carrot with respect to 1 part by weight of pine bark extract.
The amount of the above pine bark extract represents the dry weight.
In addition, the amount of carrot mentioned above means the amount equivalent to the drug substance. Here, the equivalent amount of the drug substance means the weight of ginseng strips, powders, dried ginseng necessary to obtain a certain amount of these suspensions or extracts, such as dried strips or powders. Say. For example, when 2 parts by weight of extract powder is obtained from 10 parts by weight of dry carrot powder, 2 parts by weight of ginseng extract powder is expressed as 10 parts by weight in terms of bulk drug substance.

本発明の組成物は、優れた血小板凝集抑制効果が得られる点から、樹皮抽出物および人参に加えて、さらにエイコサペンタエン酸(EPA)、桂皮およびトコトリエノールからなる群より選択される成分を1種以上含有するのが好ましい。
桂皮は、シンナモムム・カッシア(学名:Cinnamomum cassia Blume)またはその同属植物(Lauraceae)の樹または枝の皮であり、その主要成分はシンナムアルデヒド(cinnamic aldehyde)である。本発明では、桂皮の抽出物、特にエキス末が好適に使用される。
The composition of the present invention has one component selected from the group consisting of eicosapentaenoic acid (EPA), cinnamon and tocotrienol, in addition to the bark extract and ginseng, because an excellent platelet aggregation inhibitory effect is obtained. It is preferable to contain above.
Cinnamon is the skin of the tree or branch of Cinnamomum cassia Blume or its genus plant (Lauraceae), the main component of which is cinnamic aldehyde. In the present invention, an extract of cinnamon, particularly an extract powder, is preferably used.

本発明に使用される、松樹皮、人参および桂皮からの抽出物は、上記に例示した松樹皮、人参および桂皮から、医薬品や食品の分野における慣用の方法を用いて抽出されたものであれば、特に制限されず使用することができる。
この抽出に使用される抽出溶媒として、水、有機溶媒またはそれらの混合物などが挙げられる。
上記の有機溶媒として、例えば、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、ブタン、アセトン、ヘキサン、シクロヘキサン、プロピレングリコール、含水エタノール、含水プロピレングリコール、エチルメチルケトン、グリセリン、酢酸メチル、酢酸エチル、ジエチルエーテル、ジクロロメタン、食用油脂、1,1,1,2−テトラフルオロエタンおよび1,1,2−トリクロロエテンなどが挙げられる。これらの抽出溶媒は単独で用いてもよいし、2種以上の溶媒を混合して用いてもよい。好適には、水、含水エタノールおよび含水プロピレングリコールを用いる。また、上記の抽出操作において抽出溶媒を加温するのが、抽出効率の点から好ましい。
Extracts from pine bark, carrots and cinnamon used in the present invention are those extracted from pine bark, carrots and cinnamon exemplified above using conventional methods in the field of pharmaceuticals and foods. It can be used without any particular limitation.
Examples of the extraction solvent used for this extraction include water, an organic solvent, or a mixture thereof.
Examples of the organic solvent include methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, butane, acetone, hexane, cyclohexane, propylene glycol, hydrous ethanol, hydrous propylene glycol, ethyl methyl ketone, Examples include glycerin, methyl acetate, ethyl acetate, diethyl ether, dichloromethane, edible fats and oils, 1,1,1,2-tetrafluoroethane, 1,1,2-trichloroethene, and the like. These extraction solvents may be used alone or as a mixture of two or more solvents. Preferably, water, aqueous ethanol and aqueous propylene glycol are used. Moreover, it is preferable from the point of extraction efficiency to heat an extraction solvent in said extraction operation.

本発明の組成物は、本発明の効果を損なわない限り、添加剤、例えば、賦形剤、甘味料、酸味料、増粘剤、香料、色素または乳化剤などを含有してもよい。   The composition of the present invention may contain additives such as excipients, sweeteners, acidulants, thickeners, fragrances, pigments or emulsifiers as long as the effects of the present invention are not impaired.

本発明の組成物は、医薬として使用することができる。これら医薬は、例えば錠剤、コーティング錠、糖衣錠、硬もしくは軟カプセル剤、液剤、乳濁剤、または懸濁剤の形態で、経口的に投与することができるが、あるいは、例えば坐剤の形態で直腸的に;例えば軟膏、クリーム剤、ゲル剤または液剤の形態で局部的または経皮的に;例えば注射用液剤として非経口的に投与することもできる。   The composition of the present invention can be used as a medicine. These medicaments can be administered orally, for example in the form of tablets, coated tablets, dragees, hard or soft capsules, solutions, emulsions or suspensions, or alternatively in the form of suppositories, for example. It can also be administered rectally; eg, locally or transdermally in the form of an ointment, cream, gel or solution; eg, parenterally as an injectable solution.

医薬として使用する場合、本発明の組成物の投与量は、成分の種類、投与経路、疾病の種類、剤型ならびに患者の年齢、体重および症状に応じて、適宜選択することができる。例えば、本発明の組成物を経口投与する場合には、成人に1日当たり有効成分量として1〜3g投与することが望ましい。また、投与期間は、年齢および症状などに応じて任意に定めることができる。   When used as a medicine, the dosage of the composition of the present invention can be appropriately selected according to the type of ingredient, administration route, type of disease, dosage form, and age, weight and symptoms of the patient. For example, when the composition of the present invention is orally administered, it is desirable to administer 1 to 3 g of the active ingredient per day to an adult. In addition, the administration period can be arbitrarily determined according to the age and symptoms.

本発明の組成物は、食品として、特に健康食品、機能性食品、健康補助食品または特定保健用食品として使用することができる。これら食品は、例えばお茶もしくはジュースといった飲料水;またはゼリー、あめ、チョコレートもしくはチューインガムなどの形態であってもよい。また、本発明に係る食品は、栄養補助食品(サプリメント)として、液剤、粉剤、粒剤、カプセル剤または錠剤の形で製造されてもよい。   The composition of the present invention can be used as a food, particularly as a health food, a functional food, a health supplement or a food for specified health use. These foods may be in the form of drinking water such as tea or juice; or jelly, candy, chocolate or chewing gum. Moreover, the foodstuff which concerns on this invention may be manufactured in the form of a liquid agent, a powder agent, a granule, a capsule, or a tablet as a dietary supplement (supplement).

特に、本発明の組成物は、血小板凝集を抑制することにより、血栓症、動脈硬化性疾患および血栓性疾患、例えば、動脈血栓、静脈血栓、一過性脳虚血性発作、心筋梗塞、脳梗塞、増殖性糸球体腎炎、急性虚血性腎不全、腎移植における拒絶反応、末梢動脈閉塞症、閉塞性四肢動脈硬化症および血栓性静脈炎の予防および/または治療のために、医薬または食品として使用することができる。   In particular, the composition of the present invention inhibits platelet aggregation, thereby causing thrombosis, arteriosclerotic diseases and thrombotic diseases such as arterial thrombosis, venous thrombosis, transient cerebral ischemic stroke, myocardial infarction, cerebral infarction. Used as a medicine or food for the prevention and / or treatment of proliferative glomerulonephritis, acute ischemic renal failure, rejection in renal transplantation, peripheral arterial occlusion, obstructive limb arteriosclerosis and thrombophlebitis can do.

以下、本発明を実施例によってさらに詳細に説明する。なお、本発明は実施例によって限定されるものではない。   Hereinafter, the present invention will be described in more detail by way of examples. The present invention is not limited to the examples.

1.試験食の調製
(1)原料
フランス海岸松樹皮抽出物は、ホーファー・リサーチ社製の商品名ピクノジェノール(商標)を使用した。人参エキス末、桂皮エキス末およびEPAは市販品を使用した。
1. Preparation of test meal (1) Ingredients The French coastal pine bark extract used Pycnogenol (trade name) manufactured by Hofer Research. Ginseng extract powder, cinnamon extract powder and EPA used commercially available products.

(2)試験食の調製
試験食1:1カプセルあたり人参エキス末を80mg含む軟カプセル剤を調製し、試験食1とした。
試験食2:1錠あたりフランス海岸松樹皮抽出物を8mg含む錠剤を調製し、試験食2とした。
試験食3:1カプセルあたりフランス海岸松樹皮抽出物8mg、人参エキス末75mg、桂皮エキス末35mgおよびEPA40mgを含む軟カプセル剤を調製し、また別に1錠あたり人参エキス末を15mg含む錠剤も調製した。この軟カプセル剤3カプセルと錠剤1錠とを組み合わせた1組を試験食3とした。
なお、上記のフランス海岸松樹皮抽出物の量は乾燥重量であり、人参または桂皮のエキス末の量は原生薬換算量である。
(2) Preparation of test meal A soft capsule containing 80 mg of ginseng extract powder per 1: 1 capsule of test meal was prepared as Test meal 1.
Test meal 2: A tablet containing 8 mg of French coastal pine bark extract per tablet was prepared as Test meal 2.
A soft capsule containing 8 mg of French coastal pine bark extract, 75 mg of ginseng extract powder, 35 mg of cinnamon extract powder and 40 mg of EPA per 1 capsule was prepared, and another tablet containing 15 mg of ginseng extract powder was also prepared. . A set of 3 soft capsules and 1 tablet was used as test meal 3.
In addition, the amount of the above French coast pine bark extract is a dry weight, and the amount of ginseng or cinnamon extract powder is an amount corresponding to a crude drug.

2.血小板凝集抑制作用の検討
(1)被験者
20〜60歳の健康成人男性12名を被験者とした。但し、(ア)血小板凝集や血液凝固系に影響を及ぼすと思われる薬剤または健康食品を摂取している者および(イ)摂取前の検査で担当医師が不適当と判断した者は除いた。また、血小板凝集に影響を及ぼすアスピリン、鎮痛薬、感冒薬などは試験開始1週間前から使用を控えさせた。さらに、高カリウム含有食品(バナナなど)および納豆も試験開始1週間前から摂取を控えさせた。
2. Examination of inhibitory action on platelet aggregation (1) Subjects Twelve healthy adult men aged 20 to 60 years were used as subjects. However, (a) those who are taking drugs or health foods that are likely to affect platelet aggregation and the blood coagulation system, and (b) those who are judged inappropriate by the doctor in charge in the pre-intake examination were excluded. Aspirin, analgesics, cold medicines, etc. that affect platelet aggregation were refrained from use one week before the start of the study. In addition, foods with high potassium content (such as bananas) and natto were refrained from consumption one week before the start of the test.

(2)試験食の摂取方法
12名の被験者を4名ずつ3群に割り付けて、各群に、上記試験食1〜3のいずれか1食を、それぞれ以下のようにして、4週間摂取させた。
試験食1:毎食後3カプセルずつ、1日9カプセルを摂取させた。
試験食2:毎食後3錠ずつ、1日9錠を摂取させた。
試験食3:毎食後1組(3カプセル+1錠)ずつ、1日3組(9カプセル+3錠)を摂取させた。
このようにして摂取された各試験食の組成は表1のとおりになる。
(2) Method of taking test meals 12 subjects are assigned to 3 groups of 4 subjects, and each group is given one of the above test meals 1 to 3 for 4 weeks as follows. It was.
Test meal 1: 9 capsules were taken a day, 3 capsules after each meal.
Test meal 2: After taking each meal, 3 tablets were ingested 9 tablets a day.
Test meal 3: One set (3 capsules + 1 tablet) after each meal was taken in 3 groups (9 capsules + 3 tablets) per day.
The composition of each test meal taken in this way is as shown in Table 1.

Figure 0004708744
Figure 0004708744

(3)試験スケジュール
試験食の摂取開始前と開始4週間後に、被験者から採血および採尿して、血液凝固系検査、一般検査、血液検査および尿検査を行った。各検査における測定項目は以下に示すとおりであった。採血量は、摂取開始前26ml、摂取開始4週間後23mlであり、採尿量は摂取開始前および摂取開始4週間後ともに10mlであった。また、被験者には、簡単な食事および体調に関する項目を日誌に記録させた。
血液凝固系検査:血小板凝集(ADP、コラーゲン)、プロトロンビン時間(PT)、活性化部分トロンボプラスチン時間(APTT)
一般検査:身長、体重、血圧、問診所見
血液検査:血糖、GOT、GPT、γ−GTP、中性脂肪、総コレステロール、BUN、クレアチニン、LDH、ALP、尿酸、総蛋白、赤血球数、白血球数、ヘマトクリット値、ヘモグロビン、血小板数
尿検査:蛋白定性、糖定性、pH、潜血
(3) Test schedule Blood samples and urine samples were collected from subjects before and 4 weeks after the start of intake of test foods, and blood coagulation tests, general tests, blood tests, and urine tests were performed. The measurement items in each inspection were as shown below. The amount of blood collected was 26 ml before the start of ingestion and 23 ml after 4 weeks from the start of ingestion, and the amount of urine collected was 10 ml both before the start of ingestion and after 4 weeks from the start of ingestion. In addition, subjects recorded items related to simple diet and physical condition in a diary.
Blood coagulation test: platelet aggregation (ADP, collagen), prothrombin time (PT), activated partial thromboplastin time (APTT)
General examination: height, weight, blood pressure, medical examination blood test: blood sugar, GOT, GPT, γ-GTP, neutral fat, total cholesterol, BUN, creatinine, LDH, ALP, uric acid, total protein, red blood cell count, white blood cell count, Hematocrit value, hemoglobin, platelet count Urinalysis: protein qualitative, sugar qualitative, pH, occult blood

(4)測定方法
血小板凝集:
被験者から採血した血液を遠心分離にかけ、多血小板血漿(PRP)を得た。このPRPの所定量を血小板凝集計のキュベットに入れ、次いでコラーゲンを0.5μg/mlになるように加えるか、またはADPを4μmol/mlになるように加えた。そして、比濁透過法で透過率を測定し、そこから最大凝集率を求めた。
そして、試験食の摂取開始前と摂取開始4週後のそれぞれの最大凝集率から以下の式を用いて血小板凝集抑制率を計算した:

Figure 0004708744
(4) Measuring method platelet aggregation:
Blood collected from the subject was centrifuged to obtain platelet rich plasma (PRP). A predetermined amount of this PRP was placed in a clot of the platelet aggregometer, and then collagen was added to 0.5 μg / ml, or ADP was added to 4 μmol / ml. And the transmittance | permeability was measured with the turbidimetric permeation method, and the maximum aggregation rate was calculated | required from there.
Then, the platelet aggregation inhibition rate was calculated from the maximum aggregation rate before the start of intake of the test meal and 4 weeks after the start of intake using the following formula:
Figure 0004708744

プロトロンビン時間(PT):
被験者から採血した血液からクエン酸血漿を分離し、これに組織トロンボカルシウム試薬を加え、37℃の恒温水槽で加温して、フィブリンが析出するまでの時間(凝固時間)を測定した。また、上記と同様にして正常血漿希釈系列の凝固時間も測定し検量線を作成した。この検量線を用いて凝固時間から上記の被験者のPT(%)を求めた。
そして、試験食の摂取開始前と摂取開始4週後のそれぞれのPTから以下の式を用いてPT増加率を計算した:

Figure 0004708744
Prothrombin time (PT):
Citrate plasma was separated from blood collected from the subject, tissue thrombocalcium reagent was added thereto, heated in a constant temperature water bath at 37 ° C., and the time (coagulation time) until fibrin was deposited was measured. In addition, a calibration curve was prepared by measuring the clotting time of a normal plasma dilution series in the same manner as described above. Using this calibration curve, the PT (%) of the subject was determined from the coagulation time.
Then, the PT increase rate was calculated from the respective PTs before the start of the intake of the test meal and 4 weeks after the start of the intake using the following formula:
Figure 0004708744

活性化部分トロンボプラスチン時間(APTT):
被験者から採血した血液からクエン酸血漿を分離し、これにAPTT試薬を加え、37℃の恒温水槽で加温して、フィブリンが析出するまでの時間を測定し、これをAPTTとした。
そして、試験食の摂取開始前と摂取開始4週後のそれぞれのAPTTから以下の式を用いてAPTT延長率を計算した:

Figure 0004708744
Activated partial thromboplastin time (APTT):
Citrate plasma was separated from blood collected from the subject, APTT reagent was added thereto, heated in a constant temperature water bath at 37 ° C., and the time until fibrin was deposited was measured, and this was designated as APTT.
Then, the APTT extension rate was calculated from the respective APTT before the start of intake of the test meal and 4 weeks after the start of intake using the following formula:
Figure 0004708744

一般検査、血液検査および尿検査:慣用の方法に従い測定した。 General test, blood test and urine test: Measured according to conventional methods.

(4)試験結果
被験者背景:
本試験において、試験食1を摂食した被験者は、中途で1人脱落したため3人(21〜25歳)であり、試験食2を摂食した被験者は4人(20〜30歳)であり、試験食を摂食した被験者は4人(20〜32歳)であった。
(4) Test results Subject background:
In this test, the number of subjects who took the test meal 1 was 3 (21 to 25 years old) because one person dropped out, and the number of subjects who took the test meal 2 was 4 (20 to 30 years old). There were 4 subjects (20-32 years old) who took the test meal.

血液凝固系検査:
結果を表2に示した。
Blood coagulation test:
The results are shown in Table 2.

Figure 0004708744
Figure 0004708744

表2が示すとおり、試験食3は、試験食1および2と比較して、コラーゲンまたはADPによる血小板の凝集を著しく阻害し、またPTやAPTTを著しく増大または延長させた。
これらの結果から、松樹皮抽出物と人参とを併用することで、相乗効果により顕著な血小板凝集抑制活性が得られることがわかる。
As shown in Table 2, test meal 3 significantly inhibited platelet aggregation by collagen or ADP and significantly increased or prolonged PT and APTT, as compared to test meals 1 and 2.
From these results, it can be seen that by using a pine bark extract and carrot together, a remarkable platelet aggregation inhibitory activity can be obtained by a synergistic effect.

一般検査、血液検査および尿検査:
異常を示す測定値は認められず、試験食1〜3が安全性であることが示された。
簡単な食事および体調に関する日誌:
特に異常を示す所見は認められなかった。
General, blood and urine tests:
The measurement value which shows abnormality was not recognized, but it was shown that the test meals 1-3 are safe.
Diary about simple diet and physical condition:
In particular, no abnormal findings were found.

本発明の血小板凝集抑制組成物は、医薬品または食品などに利用できる。
特に、本発明の血小板凝集抑制組成物は、血小板凝集を抑制することにより、血栓症および動脈硬化性疾患、ならびに血栓性疾患などの予防および/または治療用に、医薬または食品として使用することができる。
The platelet aggregation inhibiting composition of the present invention can be used for pharmaceuticals or foods.
In particular, the platelet aggregation-suppressing composition of the present invention can be used as a pharmaceutical or food for the prevention and / or treatment of thrombosis and arteriosclerotic diseases, and thrombotic diseases by inhibiting platelet aggregation. it can.

Claims (4)

松樹皮抽出物人参、エイコサペンタエン酸および桂皮を含有する、血小板凝集抑制組成物。 A platelet aggregation inhibiting composition comprising pine bark extract , carrot , eicosapentaenoic acid and cinnamon . 松樹皮抽出物1重量部に対して、人参5〜100重量部を含有する、請求項1記載の組成物。   The composition of Claim 1 which contains 5-100 weight part of carrots with respect to 1 weight part of pine bark extracts. さらに、トコトリエノールを含有する、請求項1または2記載の組成物。   Furthermore, the composition of Claim 1 or 2 containing a tocotrienol. 血栓症および動脈硬化性疾患ならびに血栓性疾患の予防および/または治療用医薬である、請求項1〜3のいずれか1項記載の組成物。 The composition according to any one of claims 1 to 3, which is a pharmaceutical for preventing and / or treating thrombosis and arteriosclerotic disease and thrombotic disease .
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