JPH10287521A - O-157 bactericide and its production - Google Patents

O-157 bactericide and its production

Info

Publication number
JPH10287521A
JPH10287521A JP9617497A JP9617497A JPH10287521A JP H10287521 A JPH10287521 A JP H10287521A JP 9617497 A JP9617497 A JP 9617497A JP 9617497 A JP9617497 A JP 9617497A JP H10287521 A JPH10287521 A JP H10287521A
Authority
JP
Japan
Prior art keywords
asparagus
extract
bactericide
producing
solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9617497A
Other languages
Japanese (ja)
Other versions
JP3938969B2 (en
Inventor
Masashi Takano
雅志 高野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KENOU KENKYUSHO
Original Assignee
KENOU KENKYUSHO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KENOU KENKYUSHO filed Critical KENOU KENKYUSHO
Priority to JP09617497A priority Critical patent/JP3938969B2/en
Publication of JPH10287521A publication Critical patent/JPH10287521A/en
Application granted granted Critical
Publication of JP3938969B2 publication Critical patent/JP3938969B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain the subject bactericide excellent in bactericidal actions on enterohemorrhagic Escherichia coli O-157: H7, comprising an extract of asparagus as an active ingredient. SOLUTION: This bactericide comprises an extract of asparagus as an active ingredient. The extract of asparagus is obtained by grinding asparagus to give a ground material, mixing the ground material with a solvent (e.g. water) at <80 deg.C to prepare a solution having >=5 wt.% concentration and a supernatant liquid of the solution. The bactericide sterilizes O-157 of 10<7> order to <=10 in 48 hours in an experiment for repeatedly examining sterilizing effects based on the examination method data of national medical health insurance section) of enterohemorrhagic Escherichia coli O-157 by a guide of niigata prefectural research laboratory for health and environment.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、殺菌性及び安全性
が高いO−157の殺菌剤及びその製造方法に関するも
のである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bactericide of O-157 having high bactericidal property and safety and a method for producing the same.

【0002】[0002]

【従来の技術及び発明が解決しようとする課題】昨今、
病原性大腸菌(腸管出血性大腸菌)O−157:H7に
よる被害が多発し、O−157のベロ細胞毒素によって
死亡者が発生したり、食品への不安感から生鮮食品産業
が打撃を受けたりして、大きな社会問題となっている。
2. Description of the Related Art
Pathogenic Escherichia coli (enterohemorrhagic Escherichia coli) O-157: H7 frequently causes damage, causing death by O-157 Verocytotoxin, and the fresh food industry being hit by anxiety about food. Has become a major social problem.

【0003】このため、O−157の流行原因及び対策
について様々な研究が成されているが、現在において流
行原因は不明であり、また、対策についても食品を加熱
調理して食べるようにするなどの対応が行われているに
過ぎず、生で食することを前提に作られているような生
鮮食品においては対策が不十分である。
[0003] For this reason, various studies have been conducted on the causes and countermeasures of O-157 epidemic, but at present the cause of the epidemic is unknown, and as for countermeasures, foods are cooked and eaten. However, the countermeasures are insufficient for fresh foods made on the assumption that they are eaten raw.

【0004】本発明は、アスパラガス抽出物にO−15
7の殺菌作用があることを発見し、食品そのものが持つ
安全性の高い殺菌作用を利用したO−157の殺菌剤及
びその製造方法を提供するものである。
[0004] The present invention relates to the extraction of asparagus extract with O-15.
No. 7 has a bactericidal action, and provides a fungicide for O-157 utilizing the highly safe bactericidal action of the food itself and a method for producing the same.

【0005】[0005]

【課題を解決するための手段】腸管出血性大腸菌O−1
57:H7の殺菌剤であって、アスパラガス抽出物を含
有して成ることを特徴とするO−157の殺菌剤に係る
ものである。
Means for Solving the Problems Enterohemorrhagic Escherichia coli O-1
57: A fungicide of H7, comprising an asparagus extract, according to the fungicide of O-157.

【0006】また、腸管出血性大腸菌O−157:H7
の殺菌剤の製造方法であって、アスパラガスを粉砕後、
該粉砕物を80℃未満の適宜な溶剤に混入し、所定の成
分を抽出することを特徴とするO−157の殺菌剤の製
造方法に係るものである。
In addition, enterohemorrhagic Escherichia coli O-157: H7
A method for producing a bactericide, wherein after crushing asparagus,
The method according to the present invention relates to a method for producing a fungicide of O-157, wherein the pulverized product is mixed with an appropriate solvent having a temperature of less than 80 ° C. to extract a predetermined component.

【0007】また、請求項2記載のO−157の殺菌剤
の製造方法において、適宜な溶剤として、水を採用した
ことを特徴とするO−157の殺菌剤の製造方法に係る
ものである。
Further, in the method for producing a disinfectant of O-157 according to claim 2, water is used as a suitable solvent, and the method for producing a disinfectant of O-157 is further characterized.

【0008】また、請求項3記載のO−157の殺菌剤
の製造方法において、粉砕したアスパラガスに80℃未
満の水を混入してアスパラガスの濃度を5%(重量)以
上としたアスパラガス溶液を作成し、該アスパラガス溶
液の上澄液を採取することを特徴とするO−157の殺
菌剤の製造方法に係るものである。
[0008] In the method for producing a fungicide of O-157 according to claim 3, water having a temperature of less than 80 ° C is mixed into the ground asparagus to make the asparagus concentration 5% (weight) or more. A method for producing a disinfectant of O-157, comprising preparing a solution and collecting a supernatant of the asparagus solution.

【0009】[0009]

【発明の作用及び効果】本発明は繰り返した実験により
得た結果を請求項としてまとめたものである。
According to the present invention, the results obtained by repeated experiments are summarized in the claims.

【0010】アスパラガス抽出物は、107オーダーの
O−157を48時間で10以下にまで殺菌する。
The asparagus extract kills 10 7 orders of O-157 to below 10 in 48 hours.

【0011】本発明は上述のように構成したから、病原
性大腸菌O−157に対して強力な殺菌作用を及ぼし、
安全性も高い実用性に秀れたO−157の殺菌剤及びそ
の製造方法を提供し得ることとなる。
[0011] Since the present invention is constituted as described above, it exerts a strong bactericidal action on pathogenic Escherichia coli O-157,
It is possible to provide a fungicide of O-157 which is highly safe and excellent in practical use and a method for producing the same.

【0012】[0012]

【発明の実施の態様】アスパラガス抽出物のO−157
への殺菌効果を調べるため下記の実験を行った。尚、O
−157の測定方法は、新潟県衛生公害研究所の指針に
よる図1の病原性大腸菌O−157の検査法(医学国保
課資料)に準じて行った。また、アスパラガスは食用の
グリーンアスパラガスを使用した。
DETAILED DESCRIPTION OF THE INVENTION O-157 of asparagus extract
The following experiment was conducted in order to examine the bactericidal effect on the bacteria. O
The measuring method of -157 was carried out according to the test method of pathogenic Escherichia coli O-157 shown in FIG. In addition, edible green asparagus was used as asparagus.

【0013】<実施例1>殺菌効果があるといわれる汎
用食品をみじん切りにして粉砕し、イオン交換水で濃度
1.0,10%(重量)に各々希釈して試料とし、この
試料の上澄液にO−157を混釈した後室温(25℃)
で24,48時間放置し、デリコキシレート培地を用い
て35℃で24時間培養し、コロニー数よりO−157
の菌数を測定した。
<Example 1> A general-purpose food which is said to have a bactericidal effect is minced, ground, and diluted with ion-exchanged water to a concentration of 1.0 and 10% (by weight) to prepare samples. After diluting O-157 into the solution, room temperature (25 ° C)
For 24 and 48 hours, and cultured at 35 ° C. for 24 hours using a delicoxylate medium.
Was measured.

【表1】 このように、アスパラガスにおいて107オーダーのO
−157が50にまで殺菌され、アスパラガスに明らか
に殺菌作用があることが確認された。
[Table 1] Thus, asparagus has 10 7 orders of O
-157 was sterilized to 50, and it was confirmed that asparagus had a clear bactericidal action.

【0014】<実施例2>アスパラガスの殺菌作用をよ
り一層明らかにするため、実施例1に準じてアスパラガ
ス濃度を1.0,5,10%(重量)の各々希釈した試
料を作成し、この試料を温度条件を変えて抽出を行い、
上澄液について実施例1と同様にO−157を混釈し、
菌数を測定した。
<Example 2> In order to further clarify the bactericidal action of asparagus, according to Example 1, samples were prepared by diluting the asparagus concentration to 1.0, 5, 10% (by weight). , This sample is extracted under different temperature conditions,
The supernatant was pulverized with O-157 in the same manner as in Example 1,
The number of bacteria was measured.

【表2】 このように、アスパラガスの抽出温度が80℃以上であ
るとO−157への殺菌作用は皆無となってしまう。ま
た、アスパラガスの濃度が5%(重量)以上でないとO
−157への殺菌作用は発生しない。ただし、アスパラ
ガスの濃度が5%(重量)のときには、抽出温度が60
℃ではO−157への殺菌作用は薄くなる。
[Table 2] Thus, if the asparagus extraction temperature is 80 ° C. or higher, there is no germicidal action on O-157. Also, if the concentration of asparagus is not more than 5% (weight), O
No germicidal action on -157 occurs. However, when the asparagus concentration is 5% (weight), the extraction temperature is 60%.
At 0 C, the bactericidal action on O-157 is weak.

【0015】尚、アスパラガスの濃度が10%(重量)
より高い場合において殺菌作用が生じるのか現時点では
不明であるが、アスパラガスの濃度が高くなるにつれて
殺菌効果も高まるため、10%(重量)より高い場合に
おいても十分な殺菌効果を得られるものと推測される。
The concentration of asparagus is 10% (weight)
It is unknown at this time whether the bactericidal action occurs at higher levels, but it is speculated that sufficient bactericidal effects can be obtained even at higher than 10% (weight) because the bactericidal effect increases as the concentration of asparagus increases. Is done.

【0016】実施例1,2の結果よりアスパラガスの殺
菌成分を考察する。
The sterilization components of asparagus will be considered from the results of Examples 1 and 2.

【0017】昭和大の島村らが報告したヘルスライフビ
ジネス 108(1996)において、緑茶にO−15
7への抗菌作用があることが報告されており、この作用
は緑茶の渋味成分であるカテキン(C15146:5,
7,3',4'−テトラヒドロキシフラバノールー3)に
起因するといわれている。
In the health life business 108 (1996) reported by Shimamura et al. At Showa University, O-15 was added to green tea.
7 has been reported to have an antibacterial effect, and this effect is attributed to catechin (C 15 H 14 O 6 : 5) which is astringent component of green tea.
7,3 ', 4'-tetrahydroxyflavanol-3).

【0018】また、アスパラガスにもカテキンが含有さ
れているが、カテキンは80℃で分解するような物質で
はなく(カテキンである(+)−カテキンの融点は13
2℃,(−)−エピカテキンの融点は245℃であり、
カテキンは耐熱性に秀れている。)、よって、アスパラ
ガスの殺菌作用は、カテキン以外の成分か若しくはカテ
キンの抗菌作用を補助する役目を果たす耐熱性の低い成
分により具現化するものと考えられる。
Catechin is also contained in asparagus, but catechin is not a substance that decomposes at 80 ° C. (melting point of (+)-catechin which is catechin is 13
2 ° C., the melting point of (−)-epicatechin is 245 ° C.,
Catechin has excellent heat resistance. Therefore, it is considered that the bactericidal action of asparagus is embodied by a component other than catechin or a component having low heat resistance which serves to assist the antibacterial action of catechin.

【0019】一方、アスパラガスの殺菌成分は、アスパ
ラガスの濃度が5%(重量)未満では減菌作用にとどま
っているが、これは、アスパラガス濃度が薄すぎて、オ
ーダー数の高いO−157を殺菌しきれなかったものと
考えられる。
On the other hand, the sterilizing component of asparagus has a sterilizing effect only when the concentration of asparagus is less than 5% (weight). This is because the concentration of asparagus is too low and the number of O- It is probable that 157 could not be sterilized.

【0020】また、アスパラガスの殺菌成分は熱に弱い
ことから、80℃以上では分解してしまうか、変成して
しまうものと考えられる。
Further, the sterilizing component of asparagus is considered to be decomposed or denatured at 80 ° C. or higher because it is weak to heat.

【0021】以上の実施例の結果をまとめると、 アスパラガスには、病原性大腸菌O−157に対し
て強力な殺菌作用を有する成分が含まれている。その殺
菌効果の強さは、107オーダーのO−157を48時
間で10以下にまで殺菌する極めて強力なものである。
To summarize the results of the above examples, asparagus contains a component having a strong bactericidal action against pathogenic Escherichia coli O-157. Its sterilizing effect is extremely strong in sterilizing O-157 on the order of 10 7 to 10 or less in 48 hours.

【0022】 アスパラガスの殺菌成分は、80℃未
満の抽出温度で水により抽出することができる。従っ
て、アスパラガス抽出物を生成するにあたって、水しか
使用しなくとも良く、天然物の殺菌剤として安心して使
用することができる。
The germicidal component of asparagus can be extracted with water at an extraction temperature of less than 80 ° C. Therefore, in producing the asparagus extract, only water may be used, and the extract can be safely used as a bactericide for natural products.

【0023】 アスパラガスの殺菌成分は、アスパラ
ガスの濃度が5%(重量)以上においてO−157への
殺菌作用が発生する。
Aseptic components of asparagus have a disinfecting effect on O-157 when the concentration of asparagus is 5% (by weight) or more.

【0024】 アスパラガスの殺菌成分は、アスパラ
ガスの濃度が5%(重量)未満では減菌作用にとどま
る。
When the concentration of asparagus is less than 5% (weight), the sterilizing component of asparagus has only a sterilizing effect.

【図面の簡単な説明】[Brief description of the drawings]

【図1】O−157の検査法の一例を示すフローチャー
トである。
FIG. 1 is a flowchart illustrating an example of an inspection method of O-157.

【符号の説明】[Explanation of symbols]

なし None

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 腸管出血性大腸菌O−157:H7の殺
菌剤であって、アスパラガス抽出物を含有して成ること
を特徴とするO−157の殺菌剤。
1. A fungicide for enterohemorrhagic Escherichia coli O-157: H7, which comprises an asparagus extract.
【請求項2】 腸管出血性大腸菌O−157:H7の殺
菌剤の製造方法であって、アスパラガスを粉砕後、該粉
砕物を80℃未満の適宜な溶剤に混入し、所定の成分を
抽出することを特徴とするO−157の殺菌剤の製造方
法。
2. A method for producing a fungicide for enterohemorrhagic Escherichia coli O-157: H7, wherein asparagus is pulverized, and the pulverized product is mixed with a suitable solvent at a temperature lower than 80 ° C. to extract a predetermined component. A method for producing a disinfectant of O-157.
【請求項3】 請求項2記載のO−157の殺菌剤の製
造方法において、適宜な溶剤として、水を採用したこと
を特徴とするO−157の殺菌剤の製造方法。
3. The method for producing a disinfectant of O-157 according to claim 2, wherein water is used as an appropriate solvent.
【請求項4】 請求項3記載のO−157の殺菌剤の製
造方法において、粉砕したアスパラガスに80℃未満の
水を混入してアスパラガスの濃度を5%(重量)以上と
したアスパラガス溶液を作成し、該アスパラガス溶液の
上澄液を採取することを特徴とするO−157の殺菌剤
の製造方法。
4. The method for producing a disinfectant of O-157 according to claim 3, wherein water of less than 80 ° C. is mixed into the ground asparagus to make the asparagus concentration 5% (weight) or more. A method for producing an O-157 bactericide, comprising preparing a solution and collecting a supernatant of the asparagus solution.
JP09617497A 1997-04-14 1997-04-14 O-157 disinfectant and method for producing the same Expired - Fee Related JP3938969B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP09617497A JP3938969B2 (en) 1997-04-14 1997-04-14 O-157 disinfectant and method for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09617497A JP3938969B2 (en) 1997-04-14 1997-04-14 O-157 disinfectant and method for producing the same

Publications (2)

Publication Number Publication Date
JPH10287521A true JPH10287521A (en) 1998-10-27
JP3938969B2 JP3938969B2 (en) 2007-06-27

Family

ID=14157970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP09617497A Expired - Fee Related JP3938969B2 (en) 1997-04-14 1997-04-14 O-157 disinfectant and method for producing the same

Country Status (1)

Country Link
JP (1) JP3938969B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114250192A (en) * 2021-11-12 2022-03-29 宁波大学 Method for extracting antibacterial active substance of phascolosoma esculenta coelomic fluid cells

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102386693B1 (en) * 2021-06-30 2022-04-14 백인혁 Antiviral disinfectant containing plum sugar extract as an active ingredient

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114250192A (en) * 2021-11-12 2022-03-29 宁波大学 Method for extracting antibacterial active substance of phascolosoma esculenta coelomic fluid cells
CN114250192B (en) * 2021-11-12 2023-11-03 宁波大学 Method for extracting antibacterial active substances from delicious euglena coelomica cells

Also Published As

Publication number Publication date
JP3938969B2 (en) 2007-06-27

Similar Documents

Publication Publication Date Title
Alsaggaf et al. Application of fungal chitosan incorporated with pomegranate peel extract as edible coating for microbiological, chemical and sensorial quality enhancement of Nile tilapia fillets
Gyawali et al. Antimicrobial activity of copper alone and in combination with lactic acid against Escherichia coli O157: H7 in laboratory medium and on the surface of lettuce and tomatoes
Friedman et al. Bactericidal activities of health‐promoting, food‐derived powders against the foodborne pathogens Escherichia coli, Listeria monocytogenes, Salmonella enterica, and Staphylococcus aureus
US20070264398A1 (en) Antimicrobial composition for pre-harvest and post-harvest treatment of plants and animals
CN103202294B (en) Disinfectant
Cai et al. Response of formed‐biofilm of Enterobacter cloacae, Klebsiella oxytoca, and Citrobacter freundii to chlorite‐based disinfectants
KR20170100479A (en) Antimicrobial compositions and methods of their use
JP2005508826A (en) Adduct having acidic solution of poorly soluble Group IIA complex
KR100728722B1 (en) Antimicrobial and antiviral composition containing natural products
Yang et al. Food irradiation: An emerging processing technology to improve the quality and safety of foods
Orcho et al. Shelf-life improvement of raw milk using ethanolic extracts of selected medicinal plants (Moringa stenopetale, Artemesia anua and Mentha Spicata)
Klug et al. Effect of tannin extracts on biofilms and attachment of Escherichia coli on lettuce leaves
CN106578836A (en) Application of polypeptides in food preservation
Sohrabpour et al. Effect of cinnamon ultrasound‐assisted extract on chemical and microbial properties of hamburger meat under different temperatures and time conditions during storage
Yan et al. Recent advances in non-thermal disinfection technologies in the food industry
JPH10287521A (en) O-157 bactericide and its production
CN113475504B (en) Organic acid composite disinfectant and preparation method and application thereof
KR101848657B1 (en) Environmentally friendly sterilizing water comprising slightly acidic electrolyzed water and a sterilizing method establishing sterilization condition for fresh agricultural products by using the same
JPS58121204A (en) Antiseptic composition
Mahmoud et al. Approaches of egg decontamination for sustainable food safety
WO2022126976A1 (en) Special disinfectant for meat, and preparation method therefor
KR100511660B1 (en) Natural antibacterial extracts composition for sterilization
Mashat et al. Chitosan Edible Coating as Decontaminant During Water Thawing of Frozen Broiler Carcasses
Kusuma et al. Meat preservation with addition of kecombrang leaves (Etlingera elatior) in refrigerator temperature
Harness III Sanitization Effectiveness of Alkaline-Dissolved Essential Oils as Organic Produce Washing Solutions

Legal Events

Date Code Title Description
A621 Written request for application examination

Effective date: 20040414

Free format text: JAPANESE INTERMEDIATE CODE: A621

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Effective date: 20070308

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Effective date: 20070327

Free format text: JAPANESE INTERMEDIATE CODE: A61

R150 Certificate of patent (=grant) or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees