JP2010168299A - Antibacterial agent comprising shellac as effective ingredient and antibacterial composition comprising the same - Google Patents

Antibacterial agent comprising shellac as effective ingredient and antibacterial composition comprising the same Download PDF

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JP2010168299A
JP2010168299A JP2009011245A JP2009011245A JP2010168299A JP 2010168299 A JP2010168299 A JP 2010168299A JP 2009011245 A JP2009011245 A JP 2009011245A JP 2009011245 A JP2009011245 A JP 2009011245A JP 2010168299 A JP2010168299 A JP 2010168299A
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shellac
antibacterial
antibacterial agent
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water
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Koji Nomura
耕司 野村
Kazuhisa Sugimoto
和久 杉本
Hiroshi Kamasaka
寛 釜阪
Kayo Matsuyama
佳世 松山
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Ezaki Glico Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To develop a novel antibacterial agent that is nature-derived and highly safe and does not exert influences on qualities such as tastes, flavors and the like of foods and drinks and the like to which it is added. <P>SOLUTION: Shellac has been found to exhibit high antibacterial effects on various bacteria by being made water-soluble. The antibacterial composition comprising shellac is effective for sterilization and inhibition of proliferation of bacteria in a product or at a part where the product is used. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は天然物由来で安全性が高い新たな抗菌剤に関するものである。   The present invention relates to a novel antibacterial agent derived from a natural product and having high safety.

飲食品、医薬品、口腔衛生剤、化粧品等、生体が直接摂取又は使用する製品の分野では、食中毒、感染症および製品の変敗等の原因となる微生物を制御することはきわめて重要である。微生物制御の手段として最も一般的に用いられる方法は加熱による殺菌あるいは殺菌剤(保存料)を使用した方法である。有害微生物を死滅させる殺菌剤は食品衛生法で殺菌料(保存料)として許可されている。しかし、それらは化学合成品であり、その安全性への配慮から食品衛生法により使用制限を受けている。 In the field of products directly consumed or used by living bodies, such as foods and drinks, pharmaceuticals, oral hygiene agents, and cosmetics, it is extremely important to control microorganisms that cause food poisoning, infectious diseases, and product deterioration. The most commonly used method for controlling microorganisms is sterilization by heating or a method using a bactericide (preservative). Disinfectants that kill harmful microorganisms are permitted as disinfectants (preservatives) by the Food Sanitation Law. However, they are chemically synthesized products, and their use is restricted by the Food Sanitation Law due to safety considerations.

さらに、近年の人々の健康や安全への関心の深まりにより、消費者の合成添加物離れがあって、天然物由来の抗菌剤の需要が増加している。また、化粧品や医療の分野においても殺菌剤や抗生物質が使用されているが、安全性の面で長期使用には適さないため、人体に対して有害な副作用を持たずに安心して使用できる物質が求められていた。 Furthermore, due to the recent increase in people's interest in health and safety, there is an increase in the demand for antibacterial agents derived from natural products due to consumers leaving synthetic additives. In addition, disinfectants and antibiotics are used in the cosmetics and medical fields, but they are not suitable for long-term use in terms of safety, so they can be used safely without any harmful side effects on the human body. Was demanded.

これまでも化学的合成品でなく天然物の中から抗菌性物質が検索されており、茶に含まれる渋みの本体であるポリフェノール類が有害細菌に対して抗菌作用を示すことが明らかになっている(特許文献1)。しかしながら、茶ポリフェノールについては、それ自身が有する渋みが問題点として提起されていた。 So far, antibacterial substances have been searched for in natural products, not chemically synthesized products, and it has become clear that polyphenols, the main body of astringency contained in tea, have antibacterial activity against harmful bacteria. (Patent Document 1). However, for tea polyphenols, the astringency it has has been raised as a problem.

他方、特許文献2、特許文献3には天然樹脂の一種であるセラック(shellac)で歯をコーティングすることによって菌の付着や増殖を抑制する方法が開示されているが、これは菌が物理的に歯の表面に付着できなくなる効果を狙ったものであり、セラックそのものが抗菌効果を持つことは全く知られていなかった。 On the other hand, Patent Document 2 and Patent Document 3 disclose a method of suppressing the adhesion and growth of bacteria by coating teeth with shellac, which is a kind of natural resin. However, it was not known that shellac itself had an antibacterial effect.

特開平2-276562号公報JP-A-2-276562 特開平11-147815号公報JP-A-11-147815 特開平11-116453号公報JP-A-11-116453

こうした背景の下、本発明は天然物由来で安全性が高く、添加する飲食品等の味やにおい等の品質に影響を与えない新たな抗菌剤を開発することを目的とする。   Under such a background, the present invention aims to develop a new antibacterial agent that is derived from a natural product and has high safety and does not affect the quality such as taste and smell of added food and drink.

本発明者らは、前記課題を解決するため、多種多様の天然由来の成分について抗菌活性を検討した結果、水溶化したセラック(shellac)が各種細菌に対して高い抗菌効果を有することを見出し、本発明を完成した。   In order to solve the above problems, the present inventors have studied antibacterial activity for a wide variety of naturally-derived components, and as a result, found that water-soluble shellac has a high antibacterial effect against various bacteria, The present invention has been completed.

セラックは水に不溶性のためそのままでは水溶液中で抗菌効果を発揮するのは困難であるが、水酸化ナトリウム等のアルカリで溶解させたセラックが水溶液中で各種細菌に対する抗菌性を発揮することができることを初めて明らかにした。 Shellac is insoluble in water, so it is difficult to exhibit antibacterial effect in aqueous solution as it is, but shellac dissolved with alkali such as sodium hydroxide can exhibit antibacterial properties against various bacteria in aqueous solution. For the first time.

本発明の抗菌剤は、セラックを有効成分とする抗菌剤である。 The antibacterial agent of the present invention is an antibacterial agent containing shellac as an active ingredient.

1つの実施形態では、水溶化したセラックを有効成分とする抗菌剤である。 In one embodiment, the antibacterial agent contains water-soluble shellac as an active ingredient.

1つの実施形態では、アルカリで水溶化したセラックを有効成分とする抗菌剤である。 In one embodiment, the antibacterial agent contains shellac water-solubilized with an alkali as an active ingredient.

1つの実施形態では、上記のアルカリは水酸化ナトリウムであり得る。 In one embodiment, the alkali can be sodium hydroxide.

本発明の飲食品および食品添加物は、上記抗菌剤を含む。 The food and drink and the food additive of the present invention contain the antibacterial agent.

本発明の医薬品および医薬部外品は、上記抗菌剤を含む。 The pharmaceutical and quasi-drug of the present invention contain the antibacterial agent.

本発明の化粧品および皮膚外用剤は、上記抗菌剤を含む。 The cosmetic and the external preparation for skin of the present invention contain the antibacterial agent.

本発明の口腔用組成物は、上記抗菌剤を含む。 The composition for oral cavity of this invention contains the said antibacterial agent.

本発明の細菌の殺菌又は増殖抑制方法は、上記抗菌剤有効成分を添加した飲食品、食品添加物、医薬品、医薬部外品、化粧品、皮膚外用剤、口腔用組成物を利用したものであり得る。 The method for sterilizing or suppressing the growth of bacteria according to the present invention uses foods and drinks, food additives, pharmaceuticals, quasi drugs, cosmetics, external preparations for the skin, and oral compositions to which the above antibacterial active ingredients are added. obtain.

本発明の抗菌剤を飲食品・医薬品・化粧品・口腔衛生剤等に添加することにより、製品又は使用部位における細菌の殺菌および増殖の抑制をすることが出来る。また、本発明の抗菌剤自体の味・においが飲食品等の本来の香気に影響を及ぼすことがないので幅広く適用することが出来る。さらに従来より広く用いられている食品成分であるため安全に用いることができる。   By adding the antibacterial agent of the present invention to foods / drinks / pharmaceuticals / cosmetics / oral hygiene agents, it is possible to sterilize bacteria and suppress growth in the product or use site. In addition, since the taste and smell of the antibacterial agent itself of the present invention does not affect the original aroma of food and drink, it can be widely applied. Furthermore, since it is a food ingredient that has been widely used, it can be used safely.

以下、本発明を詳細に説明する。
天然樹脂であるセラックはラックカイガラ虫(Laccifer lacca)の分泌する樹脂状物質を精製したものである。セラックは水、エーテル、ヘキサン、イソオクタンには不溶であるが、エタノール、プロピレングリコールには可溶である。また、セラックは通常ワックスを5〜6%含むが、精製セラックは脱ロウしたものである。セラックの主成分はアレウリ酸(aleuric acid)2モルとセロン酸(shelloic acid)2モルとセラック樹脂酸4モルとの混合ラクチッドである。
Hereinafter, the present invention will be described in detail.
Shellac, which is a natural resin, is obtained by purifying a resinous substance secreted by Laccifer lacaca. Shellac is insoluble in water, ether, hexane and isooctane, but is soluble in ethanol and propylene glycol. Shellac usually contains 5-6% wax, but purified shellac is dewaxed. The main component of shellac is a mixed lactide of 2 moles of allelic acid, 2 moles of seronic acid and 4 moles of shellac resin acid.

セラックは皮膜形成性を有することから、天然物由来の安全性の高い可食性皮膜剤として医薬品、食品、種子、果実のコーティング剤や塗料やインキ等の原料等として広く使用されている。セラックは食品添加物公定書をはじめ日本薬局方、米国薬局方および欧州薬局方等に記載されており、食品添加物公定書においてはシェラックの名称で収載され、日本薬局方においては精製して得られるものは精製セラック、さらに漂白して得られるものは白色セラックの名称でそれぞれ収載されている。 Since shellac has film-forming properties, it is widely used as a raw material for pharmaceuticals, foods, seeds, fruits, paints, inks and the like as a highly safe edible film agent derived from natural products. Shellac is listed in the Japanese Food Pharmacopoeia, the US Pharmacopoeia, the European Pharmacopoeia, etc., including the Official Food Additives, listed under the name of Shellac in the Official Food Additives, and purified in the Japanese Pharmacopoeia. The products obtained are purified shellac, and those obtained by bleaching are listed under the name white shellac.

本発明で使用するセラックは水に不溶性であるので、水溶液中で抗菌効果を発揮させるためには各種アルカリ(水酸化ナトリウム、水酸化カリウム、アンモニア、ソーダ灰、モノエタノールアミン、トリエタノールアミン、モルホリン、ホウ砂等)で水溶化したものを使用するのが望ましい。 Since shellac used in the present invention is insoluble in water, various alkalis (sodium hydroxide, potassium hydroxide, ammonia, soda ash, monoethanolamine, triethanolamine, morpholine are used in order to exert an antibacterial effect in an aqueous solution. It is desirable to use water-solubilized materials such as borax.

本明細書において、「水溶化」とは、精製セラック、脱色セラック、白色セラック等の中性領域あるいは酸性領域では水に不溶なセラックが、各種アルカリ(水酸化ナトリウム、水酸化カリウム、アンモニア、ソーダ灰、モノエタノールアミン、トリエタノールアミン、モルホリン、ホウ砂等)の添加によりアルカリ性領域あるいは中性領域にて水に溶解あるいは分散する性質を有するようになることである。 In the present specification, “water-solubilization” refers to shellac that is insoluble in water in neutral or acidic regions such as purified shellac, decolorized shellac, white shellac, and various alkalis (sodium hydroxide, potassium hydroxide, ammonia, soda). Ash, monoethanolamine, triethanolamine, morpholine, borax, etc.) to be dissolved or dispersed in water in the alkaline region or neutral region.

本発明でセラックを水溶性物質に使用する場合はセラックを水に懸濁し、そこにセラックの酸価より計算した量、あるいはそれ以上の水酸化ナトリウム等のアルカリを加えて攪拌することによって中性付近、あるいはそれ以上のpHを持った水溶化セラック溶液が得られる。得られた水溶化セラック溶液を製品に添加することによって製品中もしくは使用部位において抗菌性を持った製品(抗菌組成物)を作製することができる。 When shellac is used as a water-soluble substance in the present invention, it is neutralized by suspending shellac in water and adding it to an amount calculated from the acid value of shellac, or adding more alkali such as sodium hydroxide and stirring. A water-soluble shellac solution having a pH around or above is obtained. By adding the obtained water-soluble shellac solution to the product, a product (antibacterial composition) having antibacterial properties in the product or at the site of use can be produced.

セラックは製造方法の違いにより一般セラック、脱色セラック、白色セラック等に分けられるがいずれのセラックであっても同様の効果を有している。さらに、一度水溶化したセラック溶液を凍結乾燥等により再乾燥し粉末化したセラックも上記と同様に製品中もしくは使用部位において抗菌性を発揮することができる。粉末化セラックは特に非水溶性物質に添加する場合に有効な形状である。 Shellac is classified into general shellac, decolorized shellac, white shellac, etc. depending on the manufacturing method, but any shellac has the same effect. Further, shellac obtained by re-drying a shellac solution once water-solubilized by freeze-drying or the like and pulverizing can also exhibit antibacterial properties in the product or at the site of use. Powdered shellac is an effective shape particularly when added to a water-insoluble substance.

本発明の抗菌組成物におけるセラックの配合量は、使用形態あるいは使用目的によって適宜選定することができるが、対象となる細菌の生育を阻止又は抑制できる量のセラックを含むことが必要である。通常、セラックの配合量は抗菌組成物の質量に対して、好ましくは0.01〜50%(w/w%)であり、より好ましくは0.01〜20%(w/w%)であり、さらに好ましくは0.01〜10%(w/w%)である。また、口腔内で機能を発揮するような抗菌組成物の場合には唾液中でのセラックの濃度が0.01〜50%(w/w%)となるように、より好ましくは0.01〜20%(w/w%)となるように、さらに好ましくは0.01〜10%(w/w%)となるように配合するのが望ましい。 The blending amount of shellac in the antibacterial composition of the present invention can be appropriately selected depending on the form of use or purpose of use, but it is necessary to contain an amount of shellac that can prevent or suppress the growth of the target bacteria. Usually, the amount of shellac is preferably 0.01 to 50% (w / w%), more preferably 0.01 to 20% (w / w%) with respect to the mass of the antibacterial composition. More preferably, it is 0.01 to 10% (w / w%). In the case of an antibacterial composition that exerts its function in the oral cavity, the concentration of shellac in saliva is preferably 0.01 to 50% (w / w%), more preferably 0.01 to It is desirable to blend so as to be 20% (w / w%), more preferably 0.01 to 10% (w / w%).

本発明の食品および食品添加物は、本発明の抗菌剤を含む。
食品は、任意の食品であり得る。食品添加物は任意の食品添加物であり得る。このような食品の例としては、例えば、洋菓子、和菓子、スナック菓子、アイスクリーム、アイスミルクなどの冷菓、嗜好性飲料(例えば、清涼飲料、炭酸飲料(サイダー、ラムネ等)、薬味飲料、アルコール性飲料、粉末ジュースなど)、乳製品(牛乳、ヨーグルト、アイスクリーム、バター、マーガリン、チーズ、ホイップクリーム等)、氷菓、菓子類(あんこ、羊羹、饅頭、チョコレート、ガム、ゼリー、寒天、杏仁豆腐、ケーキ、カステラ、クッキー、煎餅、スナック菓子等)、パン、餅、水産煉製品(蒲鉾、ちくわ等)、畜肉加工品(ソーセージ、ハム等)、果実加工品(ジャム、マーマレード、果実ソース等)、調味料(ドレッシング、マヨネーズ、味噌等)、麺類(うどん、そば、ラーメン、パスタ等)、漬物、および蓄肉、魚肉、果実の瓶詰、缶詰類等が挙げられる。
The food and food additive of the present invention contain the antibacterial agent of the present invention.
The food product can be any food product. The food additive can be any food additive. Examples of such foods include, for example, frozen confectionery such as Western confectionery, Japanese confectionery, snack confectionery, ice cream, ice milk, etc., taste drinks (for example, soft drinks, carbonated drinks (cider, ramune, etc.), condiment drinks, alcoholic drinks , Powdered juice, etc.), dairy products (milk, yogurt, ice cream, butter, margarine, cheese, whipped cream, etc.), ice confectionery, confectionery (anko, yokan, bun, chocolate, gum, jelly, agar, apricot tofu, cake , Castella, cookies, rice crackers, snacks, etc.), bread, rice cakes, marine products (rice cakes, chikuwa, etc.), processed meat products (sausage, ham, etc.), processed fruit products (jam, marmalade, fruit sauce, etc.), seasonings (Dressing, mayonnaise, miso, etc.), noodles (udon, soba, ramen, pasta, etc.), pickles, and meat storage, Meat, fruit of bottled, canned, and the like can be mentioned.

食品添加物とは、食品の製造の過程においてまたは食品の加工もしくは保存の目的で、食品に添加、混和、浸潤その他の方法によって使用する物をいう。このような食品添加物の例としては、例えば、保存料、酸化防止剤、着色料、調味料、強化剤、製造用剤、増粘安定剤、苦味料、酸味料、光沢剤などが挙げられる。 A food additive refers to a product that is added to, mixed with, infiltrated, or otherwise used in food during the production of the food or for the purpose of processing or storing the food. Examples of such food additives include preservatives, antioxidants, colorants, seasonings, fortifiers, manufacturing agents, thickening stabilizers, bittering agents, acidulants, brighteners, and the like. .

本発明の医薬品および医薬部外品は、本発明の抗菌剤を含む。医薬品は、任意の医薬品であり得る。医薬部外品は、任意の医薬部外品であり得る。このような医薬品および医薬部外品の例としては、例えば、粉末状、顆粒状、カプセル状、錠剤であってもよい。 The pharmaceutical and quasi drug of the present invention contain the antibacterial agent of the present invention. The medicament can be any medicament. The quasi drug can be any quasi drug. Examples of such drugs and quasi drugs may be, for example, powder, granules, capsules, and tablets.

本発明の口腔用組成物は本発明の抗菌剤を含む。口腔用組成物は、任意の口腔用組成物であり得る。このような口腔用組成物の例としては、練り歯磨き、粉歯磨き、液状歯磨き、洗口剤、義歯洗浄剤、うがい薬、歯肉マッサージクリーム等が挙げられる。 The composition for oral cavity of the present invention contains the antibacterial agent of the present invention. The oral composition can be any oral composition. Examples of such oral compositions include toothpaste, toothpaste, liquid toothpaste, mouthwash, denture cleaner, mouthwash, gingival massage cream and the like.

本発明の化粧品は本発明の抗菌剤を含む。本発明の化粧品は、任意の化粧品であり得る。このような化粧品の例としては、例えば、ローション、化粧水、乳液、クリーム、パック剤、美容液、日焼け止め、洗顔料、メーキャップ剤、ヘアケア用品、ボディーソープ、入浴剤等が挙げられる。 The cosmetic of the present invention contains the antibacterial agent of the present invention. The cosmetic product of the present invention may be any cosmetic product. Examples of such cosmetics include, for example, lotions, lotions, emulsions, creams, packs, cosmetics, sunscreens, facial cleansers, makeup agents, hair care products, body soaps, bathing agents and the like.

本発明の皮膚外用剤は本発明の抗菌剤を含む。皮膚外用剤は化粧品以外の皮膚外用剤が挙げられる。このような皮膚外用剤の例としては、例えば、養毛剤、育毛剤、シャンプー、リンス、ヘアーリキッド、ヘアートニック、パーマネントウェーブ剤、ヘアカラー、トリートメント、浴用剤、ハンドクリーム、レッグクリーム、ネッククリーム、ボディローション等が挙げられる。 The external preparation for skin of the present invention contains the antibacterial agent of the present invention. Examples of the external preparation for skin include external preparations for skin other than cosmetics. Examples of such external preparations for skin include, for example, hair nourishing agents, hair restoring agents, shampoos, rinses, hair liquids, hair nicks, permanent wave agents, hair colors, treatments, bath preparations, hand creams, leg creams, neck creams, body And lotions.

以下に実施例、比較例を示して本発明を詳細に説明するが、本発明はこれらにより限定されるものではない。 Hereinafter, the present invention will be described in detail with reference to Examples and Comparative Examples, but the present invention is not limited thereto.

水溶化セラック溶液の作製方法
白ラックGBN-D(岐阜セラック製)20gに179gの水を添加し、ホットスターラーで加温しながらセラックが完全に融解する量の水酸化ナトリウム(約1g)を添加して撹拌した。以上の操作により10w/w%水溶化セラック溶液を作製した。
Preparation method of water-soluble shellac solution Add 179 g of water to 20 g of white rack GBN-D (Gifu Shellac), and add sodium hydroxide (about 1 g) in an amount that melts shellac while heating with a hot stirrer. And stirred. A 10 w / w% water-soluble shellac solution was prepared by the above operation.

粉末化水溶性セラックの作製方法
上記0034段落で作製した水溶化セラック溶液を凍結乾燥機により再乾燥し粉末化することによって水溶性を持った粉末化セラックを作製した。
Preparation method of powdered water-soluble shellac The water-soluble shellac solution prepared in the above paragraph 0034 was re-dried with a freeze dryer and pulverized to prepare water-soluble powdered shellac.

(実施例1)
(Streptococcus mutans MT8148に対する抗菌効果)
虫歯原因菌の一つであるStreptococcus mutans MT8148に対するセラックの抗菌効果を調べた。4mlのBHI培地に0034段落に記載の10w/w%セラック溶液を終濃度0.5w/w%となるように添加した。そこにBHI培地により前培養したStreptococcus mutans MT8148培養液を80μl添加し37℃で静置培養を行った。対照としてセラックを添加しない試験区(水を添加)についても同様に培養を行った。経時的にサンプリングを行い(3、6時間後)試験液の濁度(OD570)を測定した結果、セラック添加区は対照区に比べて菌数が著しく減少しており、その抗菌効果が確認された。結果を表1に示す。
Example 1
(Antimicrobial effect on Streptococcus mutans MT8148)
The antibacterial effect of shellac on Streptococcus mutans MT8148, which is one of the causative agents of dental caries, was examined. The 10 w / w% shellac solution described in paragraph 0034 was added to 4 ml of BHI medium to a final concentration of 0.5 w / w%. 80 μl of Streptococcus mutans MT8148 culture solution pre-cultured with BHI medium was added thereto, and static culture was performed at 37 ° C. As a control, the culture was also carried out in the same manner for the test group to which no shellac was added (water added). As a result of sampling over time (after 3 and 6 hours) and measuring the turbidity (OD 570 ) of the test solution, the number of bacteria in the shellac-added group was significantly reduced compared to the control group, confirming its antibacterial effect It was done. The results are shown in Table 1.

(表1)

Figure 2010168299
(Table 1)
Figure 2010168299

(実施例2)
(Streptococcus sobrinus 6715に対する抗菌効果)
虫歯原因菌の一つであるStreptococcus sobrinus 6715に対するセラックの抗菌効果を調べた。4mlのBHI培地に0034段落に記載の10w/w%セラック溶液を終濃度0.5w/w%となるように添加した。そこにBHI培地により前培養したStreptococcus sobrinus 6715培養液を80μl添加し37℃で静置培養を行った。対照としてセラックを添加しない試験区(水を添加)についても同様に培養を行った。経時的にサンプリングを行い(3、6時間後)試験液の濁度(OD570)を測定した結果、セラック添加区は対照区に比べて菌数が著しく減少しており、その抗菌効果が確認された。結果を表2に示す。
(Example 2)
(Antimicrobial effect against Streptococcus sobrinus 6715)
The antibacterial effect of shellac against Streptococcus sobrinus 6715, which is one of the causative agents of dental caries, was examined. The 10 w / w% shellac solution described in paragraph 0034 was added to 4 ml of BHI medium to a final concentration of 0.5 w / w%. 80 μl of Streptococcus sobrinus 6715 culture solution pre-cultured with BHI medium was added thereto, and static culture was performed at 37 ° C. As a control, the culture was also carried out in the same manner for the test group to which no shellac was added (water added). As a result of sampling over time (after 3 and 6 hours) and measuring the turbidity (OD 570 ) of the test solution, the number of bacteria in the shellac-added group was significantly reduced compared to the control group, confirming its antibacterial effect It was done. The results are shown in Table 2.

(表2)

Figure 2010168299
(Table 2)
Figure 2010168299

(実施例3)
(Bacillus cereus ATCC13061に対する抗菌効果)
食中毒菌であるBacillus cereus ATCC13061に対するセラックの抗菌効果を調べた。
5mlのSCDブイヨン培地に0034段落に記載の10w/w%セラック溶液を終濃度0.5w/w%となるように添加した。そこにSCDブイヨン培地により前培養したBacillus cereus ATCC13061培養液を100μl添加し37℃で振トウ培養を行った。対照としてセラックを添加しない試験区(水を添加)についても同様に培養を行った。経時的にサンプリングを行い(5、22時間後)試験液の濁度(OD660)を測定した結果、セラック添加区は対照区に比べて菌数が著しく減少しており、その抗菌効果が確認された。結果を表3に示す。
(Example 3)
(Antimicrobial effect against Bacillus cereus ATCC13061)
The antibacterial effect of shellac against Bacillus cereus ATCC13061, a food poisoning bacterium, was examined.
The 10 w / w% shellac solution described in paragraph 0034 was added to 5 ml of SCD broth medium to a final concentration of 0.5 w / w%. 100 μl of Bacillus cereus ATCC13061 culture solution pre-cultured with SCD broth medium was added thereto, and shaken tow culture was performed at 37 ° C. As a control, the culture was also carried out in the same manner for the test group to which no shellac was added (water added). As a result of sampling over time (after 5 and 22 hours) and measuring the turbidity (OD 660 ) of the test solution, the number of bacteria in the shellac-added group was significantly reduced compared to the control group, confirming its antibacterial effect It was done. The results are shown in Table 3.

(表3)

Figure 2010168299
(Table 3)
Figure 2010168299

(実施例4)
(Klebisiella pneumoniae NBRC14940に対する抗菌効果)
病原性菌であるKlebisiella pneumoniae NBRC14940に対するセラックの抗菌効果を調べた。5mlのSCDブイヨン培地に0034段落に記載の10w/w%セラック溶液を終濃度0.5w/w%となるように添加した。そこにSCDブイヨン培地により前培養したKlebisiella pneumoniae NBRC14940培養液を100μl添加し37℃で振トウ培養を行った。対照としてセラックを添加しない試験区(水を添加)についても同様に培養を行った。経時的にサンプリングを行い(5、22時間後)試験液の濁度(OD660)を測定した結果、セラック添加区は対照区に比べて菌数が著しく減少しており、その抗菌効果が確認された。結果を表4に示す。
Example 4
(Antimicrobial effect on Klebisella pneumoniae NBRC14940)
The antibacterial effect of shellac against Klebisiella pneumoniae NBRC14940, a pathogenic bacterium, was examined. The 10 w / w% shellac solution described in paragraph 0034 was added to 5 ml of SCD broth medium to a final concentration of 0.5 w / w%. Thereto was added 100 μl of Klebisella pneumoniae NBRC14940 culture solution pre-cultured with SCD broth medium, and shaken and cultured at 37 ° C. As a control, the culture was also carried out in the same manner for the test group to which no shellac was added (water added). As a result of sampling over time (after 5 and 22 hours) and measuring the turbidity (OD 660 ) of the test solution, the number of bacteria in the shellac-added group was significantly reduced compared to the control group, confirming its antibacterial effect It was done. The results are shown in Table 4.

(表4)

Figure 2010168299
(Table 4)
Figure 2010168299

(実施例5)
(Citorobacter freundii NBRC 12681に対する抗菌効果)
感染症菌であるCitorobacter freundii NBRC 12681に対するセラックの抗菌効果を調べた。5mlのSCDブイヨン培地に0034段落に記載の10w/v%セラック溶液を終濃度0.5w/w%となるように添加した。そこにSCDブイヨン培地により前培養したCitorobacter freundii NBRC 12681培養液を100μl添加し37℃で振トウ培養を行った。対照としてセラックを添加しない試験区(水を添加)についても同様に培養を行った。経時的にサンプリングを行い(5、22時間後)試験液の濁度(OD660)を測定した結果、セラック添加区は対照区に比べて菌数が著しく減少しており、その抗菌効果が確認された。結果を表5に示す。
(Example 5)
(Antimicrobial effect against Citrobacter freundii NBRC 12681)
The antibacterial effect of shellac against Citrobacter freundii NBRC 12681, an infectious bacterium, was examined. The 10 w / v% shellac solution described in paragraph 0034 was added to 5 ml of SCD broth medium to a final concentration of 0.5 w / w%. 100 μl of Citrobacter freundii NBRC 12681 culture solution pre-cultured with SCD broth medium was added thereto, and shaken and cultured at 37 ° C. As a control, the culture was also carried out in the same manner for the test group to which no shellac was added (water added). As a result of sampling over time (after 5 and 22 hours) and measuring the turbidity (OD 660 ) of the test solution, the number of bacteria in the shellac-added group was significantly reduced compared to the control group, confirming its antibacterial effect It was done. The results are shown in Table 5.

(表5)

Figure 2010168299
(Table 5)
Figure 2010168299

(実施例6)
(Streptococcus mutans MT8148に対する抗菌効果)
虫歯原因菌の一つであるStreptococcus mutans MT8148に対するセラックの抗菌効果を調べた。1 mlのHI培地に0034段落に記載の10w/w%セラック溶液を終濃度0.01w/w%となるように、スクロースを終濃度1w/w%となるように添加した。そこにBHI培地により前培養したStreptococcus mutans MT8148培養液を25μl添加し37℃で静置培養を行った。対照としてセラックを添加しない試験区(水を添加)についても同様に培養を行った。5.5時間後のpH、菌数、不溶性グルカン量を測定した結果、セラック添加区は対照区に比べてpHの低下が少なく、菌数、不溶性グルカン量も少ないことより抗菌効果が確認された。
(Example 6)
(Antimicrobial effect on Streptococcus mutans MT8148)
The antibacterial effect of shellac on Streptococcus mutans MT8148, which is one of the causative agents for caries, was examined. Sucrose was added to 1 ml of HI medium so that the final concentration of 0.01 w / w% was added to the 10 w / w% shellac solution described in paragraph 0034 to a final concentration of 1 w / w%. Thereto was added 25 μl of Streptococcus mutans MT8148 culture solution pre-cultured with BHI medium, and static culture was performed at 37 ° C. As a control, the culture was also carried out in the same manner for the test group to which no shellac was added (water added). As a result of measuring the pH, the number of bacteria, and the amount of insoluble glucan after 5.5 hours, the anti-bacterial effect was confirmed because the pH of the shellac-added group was less than that of the control group, and the number of bacteria and insoluble glucan was also small. .

(実施例7)
(Streptococcus mutans MT8148に対する抗菌効果)
虫歯原因菌の一つであるStreptococcus mutans MT8148に対するセラックの抗菌効果を調べた。1 mlのHI培地に水性セラック液(フロイント産業株式会社製)をセラックが終濃度0.05w/w%となるように、スクロースを終濃度1w/w%となるように添加した。そこにBHI培地により前培養したStreptococcus mutans MT8148培養液を25μl添加し37℃で静置培養を行った。対照としてセラックを添加しない試験区についても同様に培養を行った。5.5時間後のpH、菌数、不溶性グルカン量を測定した結果、セラック添加区は対照区に比べてpHの低下が少なく、菌数、不溶性グルカン量も少ないことより抗菌効果が確認された。
(Example 7)
(Antimicrobial effect on Streptococcus mutans MT8148)
The antibacterial effect of shellac on Streptococcus mutans MT8148, which is one of the causative agents for caries, was examined. An aqueous shellac solution (Freund Sangyo Co., Ltd.) was added to 1 ml of HI medium so that the shellac had a final concentration of 0.05 w / w% and a sucrose having a final concentration of 1 w / w%. 25 μl of Streptococcus mutans MT8148 culture solution pre-cultured with BHI medium was added thereto, and static culture was performed at 37 ° C. As a control, the same culture was performed for the test group to which no shellac was added. As a result of measuring the pH, the number of bacteria, and the amount of insoluble glucan after 5.5 hours, the anti-bacterial effect was confirmed because the pH of the shellac-added group was less than that of the control group, and the number of bacteria and insoluble glucan was also small. .

(比較例1)
表6に示す組成のチューインガムを常法に従って製造した。
(Comparative Example 1)
Chewing gums having the compositions shown in Table 6 were produced according to a conventional method.

(実施例8)
表7に示す組成のチューインガムを常法に従って製造した。セラックには0035段落に記載の粉末化した水溶性セラックを10w/w%配合した。
(Example 8)
Chewing gums having the compositions shown in Table 7 were produced according to a conventional method. The shellac was mixed with 10 w / w% of the powdered water-soluble shellac described in paragraph 0035.

(実施例9)
表7に示す組成のチューインガムを常法に従って製造した。セラックには0035段落に記載の粉末化した水溶性セラックを0.13w/w%配合した。
Example 9
Chewing gums having the compositions shown in Table 7 were produced according to a conventional method. The shellac was blended with 0.13 w / w% of the powdered water-soluble shellac described in paragraph 0035.

チューインガムを10分間咀嚼し、唾液を回収した。37℃で20分間インキュベート後、滅菌水で適当倍希釈してMSB寒天平板培地(ミュータンス連鎖球菌数測定用培地)に塗抹した後37℃、48時間の嫌気培養を行った。菌数測定の結果、実施例8のセラック含有チューインガム咀嚼唾液中のミュータンス連鎖球菌数は比較例1のチューインガムの菌数と比較して約1/30に減少していた。また、実施例9のセラック含有チューインガム咀嚼唾液中のミュータンス連鎖球菌数は比較例1のチューインガムの菌数と比較して約1/2に減少していた。このことよりセラック含有チューインガムはう蝕原性細菌の発育抑制効果を有していることが明らかとなった。


Chewing gum was chewed for 10 minutes and saliva was collected. After incubating at 37 ° C. for 20 minutes, the solution was diluted appropriately with sterilized water and smeared on an MSB agar plate medium (measuring medium for mutans streptococci), followed by anaerobic culture at 37 ° C. for 48 hours. As a result of the measurement of the number of bacteria, the number of mutans streptococci in the shellac-containing chewing gum chewing saliva of Example 8 was reduced to about 1/30 compared with the number of bacteria of the chewing gum of Comparative Example 1. In addition, the number of mutans streptococci in the shellac-containing chewing gum chewing saliva of Example 9 was reduced to about ½ compared with the number of chewing gums of Comparative Example 1. This indicates that shellac-containing chewing gum has an inhibitory effect on the development of cariogenic bacteria.


(表6)

Figure 2010168299
(Table 6)
Figure 2010168299

(表7)

Figure 2010168299
(Table 7)
Figure 2010168299

比較例2
表8に示す組成の洗口剤を常法に従って製造した。
Comparative Example 2
A mouthwash having the composition shown in Table 8 was produced according to a conventional method.

実施例10
表9に示す組成の洗口剤を常法に従って製造した。セラックには0034段落に記載の水溶化セラックを0.1w/w%配合した。(セラックとして0.01w/w%配合)
Example 10
Mouthwashes having the compositions shown in Table 9 were produced according to a conventional method. The shellac was mixed with 0.1 w / w% of the water-soluble shellac described in paragraph 0034. (Combined 0.01 w / w% as shellac)

実施例11
表9に示す組成の洗口剤を常法に従って製造した。セラックには0034段落に記載の水溶化セラックを50w/w%配合した。(セラックとして5w/w%配合)




Example 11
Mouthwashes having the compositions shown in Table 9 were produced according to a conventional method. The shellac was mixed with 50 w / w% of the water-soluble shellac described in paragraph 0034. (Containing 5 w / w% as shellac)




(表8)

Figure 2010168299
(Table 8)
Figure 2010168299

(表9)

Figure 2010168299
(Table 9)
Figure 2010168299

洗口剤でうがいをした後のう蝕原因細菌数(ミュータンス連鎖球菌数)を測定した。洗口剤30mlを30秒間口に含んで洗口した後、全量を回収した。回収した洗口剤を37℃で20分間インキュベート後、滅菌水で適当倍希釈してMSB寒天平板培地(ミュータンス連鎖球菌数測定用培地)に塗抹した後37℃、48時間の嫌気培養を行った。菌数測定の結果、実施例10のセラック含有洗口剤中のミュータンス連鎖球菌数は比較例2の洗口剤の菌数と比較して約1/2に減少していた。また、実施例11のセラック含有洗口剤中のミュータンス連鎖球菌数は比較例2の洗口剤の菌数と比較して約1/100に減少していた。このことよりセラック含有洗口剤はう蝕原性細菌の発育抑制効果を有していることが明らかとなった。 The number of caries-causing bacteria (number of mutans streptococci) after gargle with mouthwash was measured. After mouthwashing 30 ml of mouthwash in the mouth for 30 seconds, the entire amount was recovered. The collected mouthwash is incubated at 37 ° C. for 20 minutes, diluted appropriately with sterilized water, and smeared on MSB agar plate medium (measuring medium for mutans streptococci), followed by anaerobic culture at 37 ° C. for 48 hours. It was. As a result of the measurement of the number of bacteria, the number of mutans streptococci in the shellac-containing mouthwash of Example 10 was reduced to about ½ compared with the number of bacteria of the mouthwash of Comparative Example 2. Further, the number of mutans streptococci in the shellac-containing mouthwash of Example 11 was reduced to about 1/100 compared with the number of bacteria of the mouthwash of Comparative Example 2. This indicates that shellac-containing mouthwash has an inhibitory effect on the development of cariogenic bacteria.

(実施例12)
(Porphyromonas gingivalis ATCC33277に対する抗菌効果)
歯周病原因菌の一つであるPorphyromonas gingivalis ATCC33277に対するセラックの抗菌効果を調べた。4mlの培地(A)にPorphyromonas gingivalis ATCC33277を植菌し、嫌気下37℃で48時間培養し、前培養液とした。45℃に保温した培地(B)10mlに前培養液100μlを添加し、混合後、シャーレへプレートアウトした。固化後、直径2mmのウェルを作成し、0034段落に記載の10w/w%セラック溶液をリン酸緩衝液で10倍希釈したものを3μl添加した(終濃度1.0w/w%)。対照としてリン酸緩衝液を別のウェルに3μl添加した。45℃に保温した培地(C)を10ml重層し、固化後、嫌気下37℃36時間以上培養した。なお、培地組成を表10に示す。培養後、ウェルの外側にできた阻止円の直径を測定した結果、セラック添加区において阻止円が観察され、その抗菌効果が確認された。阻止円直径からウェルの直径を減じた結果を表11に示す。
Example 12
(Antimicrobial effect on Porphyromonas gingivalis ATCC33277)
The antibacterial effect of shellac against Porphyromonas gingivalis ATCC33277, one of the periodontal disease-causing bacteria, was examined. Porphyromonas gingivalis ATCC33277 was inoculated into 4 ml of medium (A), and cultured under anaerobic conditions at 37 ° C. for 48 hours to obtain a preculture solution. 100 μl of the preculture was added to 10 ml of the medium (B) kept at 45 ° C., mixed, and then plated out into a petri dish. After solidification, a well having a diameter of 2 mm was prepared, and 3 μl of 10-fold diluted 10 w / w% shellac solution described in paragraph 0034 with a phosphate buffer was added (final concentration: 1.0 w / w%). As a control, 3 μl of phosphate buffer was added to another well. 10 ml of the medium (C) kept at 45 ° C. was overlaid, solidified, and cultured under anaerobic conditions at 37 ° C. for 36 hours or more. The medium composition is shown in Table 10. As a result of measuring the diameter of the inhibition circle formed outside the well after culturing, the inhibition circle was observed in the shellac-added section, and the antibacterial effect was confirmed. The results of subtracting the well diameter from the inhibition circle diameter are shown in Table 11.

(表10)

Figure 2010168299
培地成分を溶解し、121℃、15分間高圧滅菌後、使用直前にhemin溶液、menadion溶液をそれぞれ1v/v%、0.1v/v%となるように添加し使用する。 (Table 10)
Figure 2010168299
The medium components are dissolved, and after autoclaving at 121 ° C. for 15 minutes, the hemin solution and menadion solution are added to 1 v / v% and 0.1 v / v%, respectively, immediately before use.

(表11)

Figure 2010168299
(Table 11)
Figure 2010168299

本発明は抗菌素材であるセラックを使用することにより飲食品、医薬品、口腔衛生剤、化粧品等の微生物を制御することが出来る。またセラックを配合した製品を利用することによって使用部位における細菌の殺菌および増殖の抑制をすることも可能である。   In the present invention, microorganisms such as foods and drinks, pharmaceuticals, oral hygiene agents and cosmetics can be controlled by using shellac which is an antibacterial material. It is also possible to sterilize bacteria and suppress growth at the site of use by using products containing shellac.

Claims (9)

セラックを有効成分とする抗菌剤。 Antibacterial agent containing shellac as an active ingredient. セラックを水溶化することを特徴とする請求項1に記載の抗菌剤。 The antibacterial agent according to claim 1, wherein shellac is water-solubilized. セラックをアルカリで水溶化することを特徴とする請求項2に記載の抗菌剤。 The antimicrobial agent according to claim 2, wherein shellac is water-solubilized with an alkali. アルカリが水酸化ナトリウムであることを特徴とする請求項3に記載の抗菌剤。 The antibacterial agent according to claim 3, wherein the alkali is sodium hydroxide. 請求項1〜4のいずれかの項に記載の抗菌剤を含有する飲食品および食品添加物。 The food-drinks and food additive containing the antibacterial agent of any one of Claims 1-4. 請求項1〜4のいずれかの項に記載の抗菌剤を含有する医薬品および医薬部外品。 A pharmaceutical and a quasi-drug containing the antibacterial agent according to any one of claims 1 to 4. 請求項1〜4のいずれかの項に記載の抗菌剤を含有する化粧品および皮膚外用剤。 Cosmetics and skin external preparations containing the antibacterial agent according to any one of claims 1 to 4. 請求項1〜4のいずれかの項に記載の抗菌剤を含有する口腔用組成物。 The composition for oral cavity containing the antibacterial agent of any one of Claims 1-4. 請求項1〜4のいずれかの項に記載の抗菌剤有効成分を添加した飲食品、食品添加物、医薬品、医薬部外品、化粧品、皮膚外用剤、口腔用組成物を利用した細菌の殺菌又は増殖抑制方法。
Bacteria sterilization using food and drink, food additives, pharmaceuticals, quasi-drugs, cosmetics, topical skin preparations and oral compositions to which the antibacterial active ingredient according to any one of claims 1 to 4 is added Or the growth suppression method.
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JP2017507974A (en) * 2014-03-17 2017-03-23 マントローズ−ハウザー カンパニー, インコーポレイテッド Shellac-based skin care lotion
JP2018076273A (en) * 2016-11-11 2018-05-17 アース製薬株式会社 Liquid oral composition
JP2020029537A (en) * 2018-08-24 2020-02-27 紀州技研工業株式会社 Inkjet ink and method for producing the same
KR20220163544A (en) * 2021-06-02 2022-12-12 한남대학교 산학협력단 A cosmetic composition comprising Lac pigment extract

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Publication number Priority date Publication date Assignee Title
JP2017507974A (en) * 2014-03-17 2017-03-23 マントローズ−ハウザー カンパニー, インコーポレイテッド Shellac-based skin care lotion
JP2018076273A (en) * 2016-11-11 2018-05-17 アース製薬株式会社 Liquid oral composition
JP2020029537A (en) * 2018-08-24 2020-02-27 紀州技研工業株式会社 Inkjet ink and method for producing the same
KR20220163544A (en) * 2021-06-02 2022-12-12 한남대학교 산학협력단 A cosmetic composition comprising Lac pigment extract
KR102590911B1 (en) 2021-06-02 2023-10-18 한남대학교 산학협력단 A cosmetic composition comprising Lac pigment extract

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