JP5410152B2 - Anemia prevention composition - Google Patents

Anemia prevention composition Download PDF

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JP5410152B2
JP5410152B2 JP2009115696A JP2009115696A JP5410152B2 JP 5410152 B2 JP5410152 B2 JP 5410152B2 JP 2009115696 A JP2009115696 A JP 2009115696A JP 2009115696 A JP2009115696 A JP 2009115696A JP 5410152 B2 JP5410152 B2 JP 5410152B2
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fucoidan
anemia
food
group
preventing
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JP2010265186A (en
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恵子 吉永
桂 村上
幸也 久保
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Riken Vitamin Co Ltd
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Description

本発明は、貧血予防用組成物に関する。   The present invention relates to a composition for preventing anemia.

貧血は、血液中の赤血球数の減少などにより血液の酸素運搬能が低下している状態をいい、全身倦怠感、頭痛、めまいなどの症状を伴う。貧血の原因としては、鉄分、ビタミン、タンパク質などの摂取不足、抗がん剤などによる薬物治療、放射線照射治療の他、赤血球の産生を促進するエリスロポエチンの分泌が腎機能の低下に伴い減少することなどが知られている。   Anemia refers to a state in which the oxygen carrying capacity of blood is reduced due to a decrease in the number of red blood cells in the blood, and is accompanied by symptoms such as general malaise, headache, and dizziness. Causes of anemia include inadequate intake of iron, vitamins, proteins, etc., drug treatment with anticancer drugs, radiation treatment, and decrease in erythropoietin secretion that promotes red blood cell production as kidney function declines Etc. are known.

従来、このような貧血を予防するため、例えば湿式合成酸化鉄類を含有することを特徴とする貧血予防・治療剤(特許文献1参照)、アンセリン、カルノシン、バレニン、ホモカルノシン、π−メチルヒスチジン、及びτ−メチルヒスチジンの群から選ばれた1種以上のイミダゾール化合物を含有してなる赤血球数の減少に起因する医学的症状の予防又は改善剤(特許文献2参照)、シデロフォアと3価鉄イオンとを含む鉄欠乏性貧血の予防又は治療剤(特許文献3参照)、ルチン及び/又はルチン誘導体、鉄化合物、及びエゾウコギの抽出物を含有することを特徴とする鉄欠乏性貧血に伴う不定愁訴の予防又は改善剤(特許文献4参照)、ハナビラタケの子実体及び/又は菌糸体を有効成分として含有することを特徴とする造血刺激作用を有する組成物(特許文献5参照)などが提案されている。   Conventionally, in order to prevent such anemia, for example, an anemia prevention / treatment agent containing wet synthetic iron oxides (see Patent Document 1), anserine, carnosine, valenin, homocarnosine, π-methylhistidine , And a preventive or ameliorating agent for medical symptoms caused by a decrease in the number of red blood cells comprising one or more imidazole compounds selected from the group of τ-methylhistidine (see Patent Document 2), siderophore and trivalent iron An indeterminate associated with iron deficiency anemia comprising an agent for preventing or treating iron deficiency anemia containing ions (see Patent Document 3), rutin and / or a rutin derivative, an iron compound, and an extract of Ezoukogi It has a hematopoietic stimulating action characterized by containing as an active ingredient a prophylactic or ameliorating agent for complaints (see Patent Document 4), fruit bodies and / or mycelium of Hanabiratake. A composition (see Patent Document 5) is proposed.

一方、硫酸化多糖類の一種であるフコイダンについては、感染症の予防又は治療の効果があること(特許文献6参照)、高脂血症の予防又は治療剤として用いられること(特許文献7参照)などが知られている。しかし、フコイダンの貧血予防効果については明らかとなっていなかった。   On the other hand, fucoidan, which is a kind of sulfated polysaccharide, has the effect of preventing or treating infectious diseases (see Patent Document 6), and used as an agent for preventing or treating hyperlipidemia (see Patent Document 7) ) Etc. are known. However, the effect of fucoidan on preventing anemia has not been clarified.

特開平5−25051号公報Japanese Patent Laid-Open No. 5-25051 特開平8−81372号公報JP-A-8-81372 特開2005−225874号公報JP 2005-225874 A 特開2006−193428号公報JP 2006-193428 A 特開2008−69080号公報JP 2008-69080 A 特開平11−80003号公報Japanese Patent Laid-Open No. 11-80003 特開2001−335491号公報JP 2001-335491 A

本発明は、安全性に優れ、日常的に長期にわたり服用・摂取が可能な貧血予防用組成物を提供することを課題とする。   An object of the present invention is to provide a composition for preventing anemia which is excellent in safety and can be taken and ingested for a long period of time on a daily basis.

本発明者らは、上記課題を解決するために鋭意研究を重ねた結果、フコイダンの摂取により、赤血球数の減少を誘導する薬剤の投与を受けた場合でも、血液の赤血球数、ヘモグロビン量およびヘマトクリット値の減少が有意に抑制されることを見出し、本発明を完成した。
即ち、本発明は、
(1)フコイダンを有効成分として含有することを特徴とする貧血予防用組成物、
(2)貧血予防の為の医薬であることを特徴とする前記(1)記載の貧血予防用組成物、および
(3)貧血予防の為の食品であることを特徴とする前記(1)記載の貧血予防用組成物、
を提供するものである。
As a result of intensive studies to solve the above problems, the present inventors have found that even when a drug that induces a decrease in the number of red blood cells by ingestion of fucoidan is administered, the number of red blood cells in the blood, the amount of hemoglobin, and the hematocrit The inventors found that the decrease in the value was significantly suppressed, and completed the present invention.
That is, the present invention
(1) A composition for preventing anemia, comprising fucoidan as an active ingredient,
(2) The anemia-preventing composition as described in (1) above, which is a medicament for anemia prevention, and (3) the (1) description above as a food for anemia prevention Anemia prevention composition,
Is to provide.

本発明の貧血予防用組成物に有効成分として含まれるフコイダンは食経験のある物質であり、日常的に長期間にわたり摂取しても全く問題は無い。
本発明の貧血予防用組成物を摂取することにより、血液の赤血球数、ヘモグロビン量またはヘマトクリット値の減少を伴う貧血を予防することができる。
Fucoidan contained as an active ingredient in the composition for preventing anemia of the present invention is a substance with a dietary experience, and there is no problem even if it is taken on a daily basis for a long time.
By ingesting the composition for preventing anemia of the present invention, anemia associated with a decrease in the number of red blood cells, hemoglobin amount or hematocrit value in blood can be prevented.

本発明で用いられるフコイダンとは、硫酸化多糖類の一種である。フコイダンとしては、例えば、褐藻類などに由来するフコイダンが挙げられる。
本発明で用いられるフコイダンとしては、例えば、フコース含有量が約10〜40%である化合物が好ましく、硫酸基含有量が約10〜40%である化合物が好ましい。中でも、フコース含有量が約20〜35%である化合物がより好ましく、硫酸基含有量が約20〜35%である化合物がより好ましい。
該褐藻類としては、例えば、コンブ目、ナガマツモ目、ヒバマタ目などに属する海藻類が挙げられ、具体的には、ガゴメコンブ、マコンブ、トロロコンブ、ワカメ、クロメ、アラメ、カジメ、ジャイアントケルプ、レッソニア ニグレセンス、モズク、オキナワモズク、ヒバマタ、アスコフィラム ノドサムなどが挙げられ、中でもオキナワモズク、ワカメが好ましく、ワカメの胞子葉であるメカブが十分量の原料確保が可能な点で特に好ましい。
The fucoidan used in the present invention is a kind of sulfated polysaccharide. An example of fucoidan is fucoidan derived from brown algae.
As the fucoidan used in the present invention, for example, a compound having a fucose content of about 10 to 40% is preferable, and a compound having a sulfate group content of about 10 to 40% is preferable. Among them, a compound having a fucose content of about 20 to 35% is more preferable, and a compound having a sulfate group content of about 20 to 35% is more preferable.
Examples of the brown algae include seaweeds belonging to the order Compositae, Nagamatsumo, Hibamata, etc., specifically, gagome kombu, macomb, trorocomb, wakame, kurome, alame, kajime, giant kelp, lessonia nigressen, Mozuku, Okinawa mozuku, Hibamata, Ascophilum nodsum and the like are mentioned. Among them, Okinawa mozuku and wakame are preferable, and mekabu which is a spore leaf of wakame is particularly preferable because a sufficient amount of raw material can be secured.

褐藻類からフコイダンを抽出する場合、褐藻類からフコイダンを抽出する方法に特に制限はなく、例えば、藻体を酢酸または希塩酸の水溶液に懸濁させ、室温から約100℃の範囲で抽出を行う酸抽出法、藻体を水に懸濁させ、約100℃で抽出を行う熱水抽出法など自体公知の方法で行えばよい。抽出後固液分離し、酸抽出法の場合は得られた抽出液を中和し、抽出液に塩化カルシウムまたは酢酸バリウムなどの水溶液を加えて沈殿するアルギン酸を除去してもよい。更に所望により限外ろ過、透析などを行って低分子量物質を除去してもよい。
本発明で用いられるフコイダンとしては、褐藻類由来のフコイダンを含む粗製品、ゲルろ過、イオン交換クロマトグラフィーなどにより精製した精製品、またこれらを含有する製剤などが挙げられ、いずれも好ましく用いることができる。本発明で用いられるフコイダンの好ましい形態としては、例えば、上記藻体抽出液の濃縮液または該濃縮液を常法により真空凍結乾燥して得られる粉末などが挙げられる。
When extracting fucoidan from brown algae, there is no particular limitation on the method for extracting fucoidan from brown algae. For example, an acid that is suspended in an aqueous solution of acetic acid or dilute hydrochloric acid and extracted in the range of room temperature to about 100 ° C. What is necessary is just to perform per se well-known methods, such as the extraction method and the hot water extraction method which suspends an algal body in water and extracts at about 100 degreeC. After extraction, solid-liquid separation is performed, and in the case of the acid extraction method, the obtained extract may be neutralized, and the precipitated alginic acid may be removed by adding an aqueous solution such as calcium chloride or barium acetate to the extract. Further, if desired, ultrafiltration, dialysis and the like may be performed to remove low molecular weight substances.
Examples of the fucoidan used in the present invention include crude products containing brown algae-derived fucoidan, purified products purified by gel filtration, ion exchange chromatography, etc., and preparations containing these, and all are preferably used. it can. Preferable forms of fucoidan used in the present invention include, for example, a concentrated solution of the algal extract or a powder obtained by lyophilizing the concentrated solution by a conventional method.

本発明で用いられるフコイダンは、低分子化し、または分子量を分画して分子を比較的均一にしたフコイダンでもよい。低分子化する方法としては、例えば、硫酸、酵素、ガンマ線、超音波等によりフコイダンを分解する方法など自体公知の方法を用いればよい。分子量を分画する方法としては、例えば、塩酸で加水分解後、分子量を分画する方法〔ジャーナル オブ アンドロロジー(Journal of Andrology)、第13巻、第519〜525頁(1992)〕などがある。
また、本発明で用いられるフコイダンは天然物を原料とした場合に含まれる塩分、ヒ素、ヨウ素や夾雑たんぱく質などを低減したものでもよい。
本発明で用いられるフコイダンは、フコイダンに存在する硫酸基やカルボキシル基を公知の方法により塩に変換することで得られる薬理学的に許容されうる塩であってもよい。このような塩としては、例えば、ナトリウム、カリウム、マグネシウム、カルシウムなどの金属の塩、ピリジン、ジメチルアミン、ジエチルアミン、エタノールアミンなどの医薬的に許容される有機アミノ酸化合物の塩などが挙げられる。
The fucoidan used in the present invention may be a fucoidan having a relatively low molecular weight or a molecular weight that is relatively uniform. As a method for reducing the molecular weight, a method known per se such as a method for decomposing fucoidan by sulfuric acid, enzyme, gamma rays, ultrasonic waves or the like may be used. Examples of a method for fractionating the molecular weight include a method of fractionating the molecular weight after hydrolysis with hydrochloric acid [Journal of Andrology, Vol. 13, pp. 519-525 (1992)]. .
In addition, the fucoidan used in the present invention may have a reduced content of salt, arsenic, iodine, contaminating proteins, etc. contained when a natural product is used as a raw material.
The fucoidan used in the present invention may be a pharmacologically acceptable salt obtained by converting a sulfate group or a carboxyl group present in fucoidan into a salt by a known method. Examples of such salts include salts of metals such as sodium, potassium, magnesium and calcium, and salts of pharmaceutically acceptable organic amino acid compounds such as pyridine, dimethylamine, diethylamine and ethanolamine.

本発明の貧血予防用組成物は、上記フコイダンをそのまま、あるいは製薬学的に許容される添加物、食品素材、食品原料、さらに必要に応じて食品添加物などを適宜混合し、常法に従い、例えば、散剤、顆粒剤、錠剤、マイクロカプセル、ソフトカプセルまたはハードカプセルなどの製剤、または飲食品として製造される。該飲食品は、例えば、固形食品、クリーム状またはジャム様の半固形食品、ゲル状食品、飲料などあらゆる食品形態をとることが可能である。具体的には、例えば、清涼飲料、サプリメント、クッキー、プリン、ゼリー菓子、キャンディ、ドロップ、チューインガム、チョコレート、ヨーグルト、アイスクリーム、マーガリン、ショートニング、マヨネーズまたはドレッシングなどが挙げられる。これら各種製剤または飲食品は、貧血の予防を目的とする健康食品もしくは特定保健用食品として有用である。
本発明の貧血予防用組成物は医薬品、または医薬部外品としても使用することができる。医薬品、または医薬部外品の形態としては、例えば、散剤、顆粒剤、カプセル剤、錠剤、シロップ剤、エリキシル剤、注射剤、点滴など経口的、または非経口的形態が挙げられる。
The composition for preventing anemia of the present invention is the above fucoidan as it is, or a pharmaceutically acceptable additive, a food material, a food raw material, and optionally a food additive as necessary, and according to a conventional method. For example, it is produced as a powder, granule, tablet, microcapsule, soft capsule or hard capsule formulation, or a food or drink. The food and drink can take any food form such as a solid food, a cream-like or jam-like semi-solid food, a gel-like food, and a beverage. Specific examples include soft drinks, supplements, cookies, pudding, jelly confectionery, candy, drop, chewing gum, chocolate, yogurt, ice cream, margarine, shortening, mayonnaise or dressing. These various preparations or foods and drinks are useful as health foods for the purpose of preventing anemia or foods for specified health use.
The composition for preventing anemia of the present invention can also be used as a pharmaceutical product or a quasi-drug. Examples of the form of the medicine or quasi-drug include oral or parenteral forms such as powders, granules, capsules, tablets, syrups, elixirs, injections, infusions and the like.

上記製剤または飲食品の製造に用いられる添加物、食品素材、食品原料または食品添加物としては、例えば、賦形剤(乳糖、デキストリン、コーンスターチ、結晶セルロースなど)、滑沢剤(ステアリン酸マグネシウム、ショ糖脂肪酸エステル、グリセリン脂肪酸エステルなど)、崩壊剤(カルボキシメチルセルロースカルシウム、無水リン酸水素カルシウム、炭酸カルシウムなど)、結合剤(デンプン糊液、ヒドロキシプロピルセルロース液、ラビアガム液など)、溶解補助剤(アラビアガム、ポリソルベート80など)、甘味料(砂糖、果糖、ブドウ糖液糖、ハチミツ、アスパルテームなど)、着色料(β−カロテン、食用タール色素、リボフラビンなど)、保存料(ソルビン酸、パラオキシ安息香酸メチル、亜硫酸ナトリウムなど)、増粘剤(アルギン酸ナトリウム、カルボキシメチルセルロースナトリウム、ポリアクリル酸ナトリウムなど)、酸化防止剤(BHT、BHA、アスコルビン酸、トコフェロールなど)、香料(ハッカ、ストロベリー香料など)、酸味料(クエン酸、乳糖、DL−リンゴ酸など)、調味料(DL−アラニン、5´−イノシン酸ナトリウム、L−グルタミン酸ナトリウムなど)、乳化剤(グリセリン脂肪酸エステル、ショ糖脂肪酸エステルなど)、pH調整剤(クエン酸、クエン酸三ナトリウムなど)、ビタミン類、ミネラル類、アミノ酸類などが挙げられる。
本発明の貧血予防用組成物を医薬品、または医薬部外品として使用する場合、上記した添加物、食品素材、食品原料または食品添加物の他に、薬剤学的または食品衛生学的に許容される他の素材を常法により適宜添加混合してもよい。このようなものとしては特に限定されず、例えば、コーティング剤、吸収促進剤、安定化剤、漢方薬(生薬エキス)などが挙げられる。
上記の添加物、食品素材、食品原料、食品添加物もしくは薬剤学的または食品衛生学的に許容される他の素材は2種以上を併用しても良い。
Examples of the additive, food material, food material or food additive used in the preparation of the preparation or food and drink include excipients (lactose, dextrin, corn starch, crystalline cellulose, etc.), lubricants (magnesium stearate, Sucrose fatty acid esters, glycerin fatty acid esters, etc.), disintegrating agents (carboxymethylcellulose calcium, anhydrous calcium hydrogen phosphate, calcium carbonate, etc.), binders (starch glue solution, hydroxypropyl cellulose solution, rabia gum solution, etc.), solubilizing agents ( Gum arabic, polysorbate 80, etc., sweeteners (sugar, fructose, glucose liquid sugar, honey, aspartame, etc.), colorants (β-carotene, food tar pigment, riboflavin, etc.), preservatives (sorbic acid, methyl paraoxybenzoate) , Sodium sulfite) Sticky agents (sodium alginate, sodium carboxymethylcellulose, sodium polyacrylate, etc.), antioxidants (BHT, BHA, ascorbic acid, tocopherols, etc.), flavors (mint, strawberry flavors, etc.), acidulants (citric acid, lactose, DL) -Malic acid, etc.), seasonings (DL-alanine, 5'-sodium inosinate, sodium L-glutamate, etc.), emulsifiers (glycerin fatty acid ester, sucrose fatty acid ester, etc.), pH adjusters (citric acid, citric acid tri Sodium), vitamins, minerals, amino acids and the like.
When the composition for preventing anemia of the present invention is used as a pharmaceutical product or a quasi-drug, in addition to the above-mentioned additive, food material, food raw material or food additive, pharmacologically or food hygienically acceptable. Other materials may be appropriately added and mixed by a conventional method. Such a material is not particularly limited, and examples thereof include coating agents, absorption accelerators, stabilizers, traditional Chinese medicines (herbal medicine extracts), and the like.
Two or more of the above-mentioned additives, food materials, food materials, food additives, or other pharmaceutically or food hygienically acceptable materials may be used in combination.

本発明の貧血予防用組成物を経口的に摂取する場合、摂取量は、貧血の症状、摂取する対象の性別、年齢等によって異なるが、例えば、成人1日当たりの用量は、有効成分であるフコイダンの乾燥物換算量で約0.01〜10000mg/体重1kg、好ましくは約0.1〜5000mg/体重1kgの範囲である。この用量を、一日のうち1回で摂取しても良いし、または数回に分けて摂取してもよい。但し、実際の用量は、目的や摂取者の状況(性別、年齢、健康状態など)を考慮して決められるべきである。   When the composition for preventing anemia of the present invention is taken orally, the intake varies depending on the anemia symptoms, the sex, age, etc. of the subject to be taken. For example, the dose per day for an adult is fucoidan which is an active ingredient The dry matter equivalent is about 0.01 to 10000 mg / kg body weight, preferably about 0.1 to 5000 mg / kg body weight. This dose may be taken once a day or in several divided doses. However, the actual dose should be determined in consideration of the purpose and the situation of the intaker (gender, age, health status, etc.).

以下に本発明を実施例に基づいてより具体的に説明するが、本発明はこれらに限定されるものではない。   Hereinafter, the present invention will be described more specifically based on examples, but the present invention is not limited thereto.

[試験例]
[フコイダンによる貧血予防効果試験]
(1)試験方法
[Test example]
[Anemia prevention test by fucoidan]
(1) Test method

(a)フコイダン混合飼料の調製
MF飼料(オリエンタル酵母工業社製)にフコイダン(商品名:理研メカブフコイダン;理研ビタミン社製、フコース含有量20%以上、硫酸基含有量25%以上)を加えて均一になるように混合し、容量換算でフコイダンを1%含有するフコイダン混合飼料を調製した。
(A) Preparation of fucoidan mixed feed Fucoidan (trade name: Riken Mekabu Fucoidan; manufactured by Riken Vitamin Co., Ltd., fucose content 20% or more, sulfate group content 25% or more) was added to MF feed (manufactured by Oriental Yeast Co., Ltd.). A fucoidan mixed feed containing 1% fucoidan in terms of volume was prepared by mixing uniformly.

(b)被検動物
生後5週齢のC57BL/6マウス(雄)にMF飼料および水道水を自由に摂取させて7日間予備飼育し、下記の群分けを行った後試験に供した。予備飼育期間および試験期間を通してマウスは室温23±3℃、相対湿度55±15%、換気回数12回/時、照明時間6時〜18時に維持された飼育室で飼育した。
(B) Test animals C57BL / 6 mice (male) 5 weeks old were allowed to freely feed MF feed and tap water for 7 days, and were subjected to the test after the following grouping. Throughout the preliminary breeding period and the test period, the mice were raised in a breeding room maintained at a room temperature of 23 ± 3 ° C., a relative humidity of 55 ± 15%, a ventilation rate of 12 times / hour, and a lighting time of 6:00 to 18:00.

(c)群分け
予備飼育したマウスの群分けを行った。群分けでは、各群の平均体重値がほぼ等しくなるように、前臨床試験支援システム(IBUKI;日本バイオリサーチセンター社製)を用いて、正常群、対照群およびフコイダン群の3つの群(各群8匹)に分けた。正常群および対照群にはMF飼料および水道水、フコイダン群にはフコイダン混合飼料および水道水を自由摂取させて13日間飼育して試験を行った。
(C) Grouping Preliminarily reared mice were grouped. In the grouping, three groups (each of normal group, control group, and fucoidan group (each of the normal group, control group, and fucoidan group) were used by using a preclinical test support system (IBUKI; manufactured by Japan Bioresearch Center Co., Ltd.) so that the average body weight value of each group was almost equal. Divided into 8 groups). The normal group and the control group were fed with MF feed and tap water, and the fucoidan group was fed with fucoidan mixed feed and tap water and reared for 13 days.

(d)貧血の誘導
試験開始から8日目に、注射針(テルモ社製)を取り付けたポリプロピレン製ディスポーザブル注射筒(テルモ社製)を用いて、対照群およびフコイダン群のマウスの腹腔内にシクロホスファミド(SIGMA社製)を400mg/kg体重の用量で投与して貧血を誘導した。
(D) Induction of anemia On the 8th day from the start of the test, cyclops were injected into the abdominal cavity of mice in the control group and fucoidan group using a polypropylene disposable syringe (made by Terumo) equipped with an injection needle (made by Terumo). Anemia was induced by administering phosphamide (manufactured by SIGMA) at a dose of 400 mg / kg body weight.

(2)貧血予防効果の評価および試験結果 (2) Evaluation of anemia prevention effect and test results

(a)摂餌量
試験開始から12日目および13日目の午前中に給餌器ごと飼料重量を測定し、これら測定値から、マウス1匹の1日当たりの摂餌量を算出した。算出した摂餌量について各群の平均値及び標準誤差を求め、各群間でTukey法による有意差検定を行った。結果を表1に示す。
(A) Food intake The feed weight of each feeder was measured in the morning on the 12th and 13th days from the start of the test, and the daily food intake per mouse was calculated from these measured values. The average value and standard error of each group were calculated | required about the calculated food intake, and the significant difference test by the Tukey method was performed between each group. The results are shown in Table 1.

Figure 0005410152
Figure 0005410152

表1の結果から、対照群では、正常群と比較して摂餌量が少なく、その差は統計的に有意(危険率Pが5%以下)であった。一方、フコイダン群では、正常群と比較して摂餌量において統計的に有意な差は見られなかった。以上より、対照群のマウスでは、シクロホスファミドの投与による貧血の症状のために活動が抑えられ、摂餌量が低下したことが予想される。また、フコイダン群のマウスでは、フコイダンの摂取によりそのような貧血が予防されたため、摂餌量の有意な低下が生じなかったものと推察される。   From the results of Table 1, the control group had less food intake compared to the normal group, and the difference was statistically significant (risk rate P was 5% or less). On the other hand, there was no statistically significant difference in food intake in the fucoidan group compared to the normal group. Based on the above, it is expected that in the control group of mice, the activity was suppressed due to anemia symptoms caused by administration of cyclophosphamide, and the food intake was reduced. In addition, in mice of the fucoidan group, such anemia was prevented by ingestion of fucoidan, and it is assumed that no significant decrease in food consumption occurred.

(b)血液検査
試験最終日に、10w/v%EDTA−2K水溶液でコーティングした注射針(テルモ社製)及びポリプロピレン製ディスポーザブル注射筒(テルモ社製)を用いて、ジエチルエーテル麻酔下でマウスの腹大動脈から血液を採取して血液検査を行った。血液検査では、多項目自動血球分析装置(型式;XT−200iV;シスメックス社製)を用いて、採取した血液の赤血球数、ヘモグロビン量およびヘマトクリット値を測定した。このようにして得られた血液検査データについて各群の平均値及び標準誤差を算出し、各群間でTukey法による有意差検定を行った。結果を表2に示す。
(B) Blood test On the last day of the test, using a syringe needle (manufactured by Terumo) coated with a 10 w / v% EDTA-2K aqueous solution and a disposable syringe (manufactured by Terumo), the mouse was anesthetized under diethyl ether anesthesia. Blood was collected from the abdominal aorta and tested for blood. In the blood test, the number of red blood cells, the amount of hemoglobin, and the hematocrit value of the collected blood were measured using a multi-item automatic blood cell analyzer (model: XT-200iV; manufactured by Sysmex Corporation). For the blood test data obtained in this way, the average value and standard error of each group were calculated, and a significant difference test was performed between each group by the Tukey method. The results are shown in Table 2.

Figure 0005410152
Figure 0005410152

表2の結果から、対照群では、正常群と比較して、赤血球数、ヘモグロビン量およびヘマトクリット値のいずれの値も低く、その差は統計的に有意(危険率Pが5%以下)であった。一方、フコイダン群では、正常群と比較して、赤血球数、ヘモグロビン量およびヘマトクリット値のいずれの値も統計的に有意な差が見られなかった。以上より、対照群のマウスでは、シクロホスファミドの投与による貧血が生じたのに対し、フコイダン群のマウスでは、フコイダンの摂取によりそのような貧血が予防されたものと推察される。   From the results in Table 2, in the control group, all of the red blood cell count, hemoglobin amount and hematocrit value were lower than in the normal group, and the difference was statistically significant (risk rate P was 5% or less). It was. On the other hand, in the fucoidan group, no statistically significant difference was observed in any of the red blood cell count, hemoglobin amount, and hematocrit value as compared with the normal group. From the above, it is presumed that anemia due to administration of cyclophosphamide occurred in mice in the control group, whereas such anemia was prevented by ingestion of fucoidan in mice in the fucoidan group.

[実施例1]
フコイダン(商品名:理研メカブフコイダン;理研ビタミン社製)48質量部、乳糖(商品名:フローラック;サンフコ社製)51質量部、ショ糖脂肪酸エステル(商品名:リョートーシュガーエステルS−370F;三菱化学フーズ社製)1質量部を均一に混合し、試料とした。該試料を回転式小型打錠機(型式:AP−SS;畑鐵工所社製)を用い、1錠250mg、10mmφ、打錠圧100MPaで打錠し、1錠当たりフコイダン約120mgを含む錠剤である貧血予防用組成物を得た。
[Example 1]
Fucoidan (trade name: Riken Mechabufucoidan; manufactured by Riken Vitamin Co., Ltd.) 48 parts by mass, lactose (trade name: Florac; manufactured by Sanfuco) 51 parts by mass, sucrose fatty acid ester (trade name: Ryoto Sugar Ester S-370F; (Mitsubishi Chemical Foods Co., Ltd.) 1 part by mass was uniformly mixed to prepare a sample. The sample was tableted using a rotary small tableting machine (model: AP-SS; manufactured by Hata Seiko Co., Ltd.) at a tablet size of 250 mg, 10 mmφ, and a tableting pressure of 100 MPa, and a tablet containing about 120 mg of fucoidan per tablet. Thus, a composition for preventing anemia was obtained.

[実施例2]
2号ハードカプセル(商品名:エヌピーキャップス;カプスゲル社製)中にフコイダン(商品名:理研メカブフコイダン;理研ビタミン社製)300mgを常法により充填し、ハードカプセル状の貧血予防用組成物を得た。
[Example 2]
No. 2 hard capsule (trade name: NP Caps; manufactured by Capsugel) was filled with 300 mg of fucoidan (trade name: Riken Mekabu Fucoidan; manufactured by Riken Vitamin Co., Ltd.) by a conventional method to obtain a hard capsule-like composition for preventing anemia. .

Claims (1)

フコース含有量が20〜35重量%であり硫酸基含有量が20〜35重量%であるフコイダンを有効成分として含有することを特徴とする、血液の赤血球数、ヘモグロビン量、及びヘマトクリット値の減少を伴う貧血を予防するための貧血予防用医薬組成物。 A reduction in blood red blood cell count, hemoglobin content, and hematocrit value characterized by containing fucoidan having a fucose content of 20-35 wt% and a sulfate group content of 20-35 wt% as an active ingredient A pharmaceutical composition for preventing anemia for preventing accompanying anemia .
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