JPH0427862A - Measuring method for concentration of alcohol in gas within hermetically sealed package - Google Patents
Measuring method for concentration of alcohol in gas within hermetically sealed packageInfo
- Publication number
- JPH0427862A JPH0427862A JP13365490A JP13365490A JPH0427862A JP H0427862 A JPH0427862 A JP H0427862A JP 13365490 A JP13365490 A JP 13365490A JP 13365490 A JP13365490 A JP 13365490A JP H0427862 A JPH0427862 A JP H0427862A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- alcohol
- package
- detection
- suction device
- 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.)
- Pending
Links
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims description 8
- 238000001514 detection method Methods 0.000 claims abstract description 71
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 description 93
- 235000019441 ethanol Nutrition 0.000 description 62
- 235000013305 food Nutrition 0.000 description 36
- 238000004806 packaging method and process Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000228347 Monascus <ascomycete fungus> Species 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000007084 catalytic combustion reaction Methods 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 235000019640 taste Nutrition 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000019658 bitter taste Nutrition 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 235000012970 cakes Nutrition 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005264 electron capture Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、生食品又は半生食品などの水分活性が高い
食品をアルコール（本明細書においてはエチルアルコー
ルを意味する）と共に密封包装して保存性を高める際、
密封包装体内の気体のアルコール濃度を測定する方法に
関するものであり、密封包装された食品の保存性を検討
する際利用される。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention improves the preservability of foods with high water activity, such as raw or semi-raw foods, by hermetically packaging them with alcohol (herein meant ethyl alcohol). When increasing
This relates to a method for measuring the alcohol concentration of gas inside a hermetically sealed package, and is used when examining the shelf life of hermetically packaged foods.
従来の技術
生食品又は半生食品などと呼ばれる食品は、水分が多く
水分活性か高いため、微生物が繁殖しゃすく、容易に変
敗する。特に、黴の発生による品質の劣化が問題となる
。このような食品の保存性を改良する方法として、食品
をアルコールと共にアルコール透過性の小さい包装材料
で密封包装する方法が広く行われている。Conventional foods called raw foods or semi-raw foods contain a lot of water and have high water activity, so microorganisms breed easily and spoil them easily. In particular, deterioration of quality due to mold generation is a problem. As a method for improving the shelf life of such foods, a method is widely used in which the foods are hermetically packaged together with alcohol using packaging materials with low alcohol permeability.
食品をアルコールと共に密封包装する方法として、食品
の入った包装体内にアルコールを噴霧してから密封する
、食品の表面にアルコールを噴霧又は塗布してから密封
包装する、食品をアルコール放出製剤と共に密封包装す
る、アルコールを加えた食品を密封包装するなど多くの
方法で行われている。Methods of hermetically packaging foods together with alcohol include spraying alcohol inside the package containing the food and then sealing it, spraying or applying alcohol on the surface of the food and then sealing it, and hermetically packaging the food together with an alcohol-releasing preparation. This is done in many ways, including by sealing and packaging food containing alcohol.
一方、気体中のガスを測定する装置として、ガス警報器
、ガス検知装置なとのガス検出装置が知られている。On the other hand, gas detection devices such as gas alarms and gas detection devices are known as devices for measuring gas in gas.
この検出装置は、検出部にガス検知素子を設け、測定し
ようとする気体を自然流入又はポンプなどによる強制流
入などにより検出部に導き、ガス検知素子で測定した結
果をアナログ式又はデジタル式表示部に表示したり、気
体中のガス濃度が一定の値以上となったら警報を出した
りするものである。しかし、このような検出装置を用い
て気体中のアルコール濃度を測定するための装置は知ら
れていなかった。This detection device is equipped with a gas detection element in the detection part, guides the gas to be measured to the detection part by natural inflow or forced inflow by a pump, etc., and displays the result measured by the gas detection element on an analog or digital display. It can be displayed on the screen or issue an alarm if the gas concentration in the gas exceeds a certain value. However, a device for measuring alcohol concentration in gas using such a detection device was not known.
発明が解決しようとする課題
食品をアルコールと共に密封包装した場合、食品の保存
性は、包装体内の気体のアルコール濃度に関係する。特
に、食品の表面で繁殖する黴は、包装体内の気体のアル
コール濃度に大きく影響される。Problems to be Solved by the Invention When food is hermetically packaged together with alcohol, the shelf life of the food is related to the alcohol concentration of the gas inside the package. In particular, mold that grows on the surface of foods is greatly affected by the alcohol concentration of the gas inside the package.
試験例にも見られるように、包装体内の気体のアルコー
ル濃度が ０．７％以上となると大部分の黴の発育は抑
制され、アルコール耐性が大きいモナスカス属でも １
．１％になると発生が見られなくなる。すなわち、包装
体内の気体のアルコール濃度が ０．７〜１．１％或は
それ以上であれば黴などの微生物の発生が抑えられる。As seen in the test examples, when the alcohol concentration of the gas inside the package is 0.7% or more, the growth of most molds is inhibited, even in the Monascus genus, which has a high alcohol tolerance.
．． At 1%, no outbreaks are observed. That is, if the alcohol concentration of the gas in the package is 0.7 to 1.1% or more, the generation of microorganisms such as mold can be suppressed.
一方、食品、特に生食品又は半生食品などの水分の比較
的多い食品を保存する場合、保存環境の気体にアルコー
ルが存在すると、保存中にアルコールが食品へ移行する
のが認められる。気体のアルコール濃度が大きくなると
、食品に移行するアルコール量も多くなり、食品を摂取
したときアルコール臭を感しるようになる。On the other hand, when preserving foods, especially foods with relatively high water content such as raw or semi-uncooked foods, if alcohol is present in the gas in the storage environment, it is observed that alcohol migrates into the food during storage. As the alcohol concentration in the gas increases, the amount of alcohol transferred to food also increases, leading to the perception of an alcohol odor when the food is ingested.
人により個人差があり、また食品の種類や味なとによっ
ても異なるが、気体のアルコール濃度が０．６〜０．８
％位になると食品を食べたときアルコール臭を感じる人
がみられるようになり、それよりアルコール濃度が高く
なるに従いアルコール臭を感じる人が多くなり、更にア
ルコール濃度が増すと明らかにアルコール臭が感じられ
るものとなる。しかも、食品に移行したアルコールが多
くなると、食品本来の風味を変え、好まれないものとな
り、ときには舌を刺激したり、苦味を感じたりして、味
に大きく影響することがある。特に、ケーキやゼリーな
どの菓子やチーズなど子供に食べさせる食品の場合、ア
ルコールにより子供が酩酊することへの心配などで嫌わ
れることか多い。Although it varies from person to person and also depends on the type and taste of the food, the alcohol concentration of the gas is between 0.6 and 0.8.
%, some people notice an alcohol odor when they eat food, and as the alcohol concentration increases, more people notice an alcohol odor, and as the alcohol concentration increases further, the alcohol odor becomes obvious. It becomes something that can be done. Moreover, if a large amount of alcohol migrates into food, it may change the original flavor of the food, making it unpalatable, and sometimes irritating the tongue or giving the food a bitter taste, which can significantly affect the taste. In particular, foods for children such as sweets such as cakes and jelly and cheese are often frowned upon due to concerns that children may become intoxicated by alcohol.
すなわち、黴などの微生物の発育は抑えるがアルコール
臭をはとんと感しない法帖とするには、包装体内の気体
に許されるアルコール濃度は、非常に限定された範囲と
なる。In other words, in order to create a package that suppresses the growth of microorganisms such as mold but does not give off a noticeable alcohol odor, the alcohol concentration allowed in the gas inside the package must be within a very limited range.
しかし、食品をアルコールと共に密封包装する場合、製
造現場で包装体内の気体のアルコール濃度を簡単に測定
する方法がなく、品質を管理するための適当な手段がみ
つかっていなかった。However, when foods are sealed and packaged together with alcohol, there is no way to easily measure the alcohol concentration in the gas inside the package at the manufacturing site, and no suitable means for quality control has been found.
従って、アルコールと共に食品を密封包装する場合、微
生物に対する安全性を大きくとってアルコールを用いる
のが現状であり、どうしてもアルコール臭が強くなりが
ちであった。Therefore, when foods are sealed and packaged together with alcohol, alcohol is currently used to ensure greater safety against microorganisms, and the smell of alcohol tends to be strong.
一方、空気などの気体に混入した都市ガス、プロパンガ
スなどの被検出ガス体を検出するガス警報器或はガス検
知器などのガス検出装置が知られている。On the other hand, gas detection devices such as gas alarms or gas detectors are known that detect a gas to be detected, such as city gas or propane gas, mixed in a gas such as air.
この発明の発明者らが得た知見によると、このようなガ
ス検出装置を利用して気体のアルコール濃度を測定する
ことが可能であった。しかし、食品の包装体内の気体の
アルコール濃度を測定する目的で、ガス検出装置のガス
導入部を食品包装体内に直接挿入して内部の気体のアル
コール濃度を測定しようとしても、包装体内の気体の量
か限られているため、ガス検出装置の検出部までの気体
導管や検出部に存在する空気か影響し、正しい値が得ら
れなかったたけでなく、測定の度に値が変わり安定した
結果が得られなかった。According to the knowledge obtained by the inventors of the present invention, it was possible to measure the alcohol concentration of a gas using such a gas detection device. However, even if you try to measure the alcohol concentration of the gas inside the food package by directly inserting the gas inlet of the gas detection device into the food package, it is difficult to measure the alcohol concentration of the gas inside the package. Due to the limited amount of air present in the gas conduit leading to the detection part of the gas detection device and the presence of air in the detection part, not only were correct values not obtained, but the values varied each time measurements were taken, making it difficult to obtain stable results. I couldn't get it.
また、包装体内の気体と検出装置内の気体を循環混合し
て均一な組成としてから測定しても、包装体内の気体の
量が一定でないため正しい値を求めることが難しかった
。Further, even if the gas in the package and the gas in the detection device are mixed and circulated to obtain a uniform composition and then measured, it is difficult to obtain a correct value because the amount of gas in the package is not constant.
この発明は、食品の保存性を増すためにアルコールと共
に密封包装する際、包装体内のアルコール濃度を測定し
、微生物の発育は抑制するか、食品を食べたときアルコ
ール臭を感じない範囲にアルコールの使用量を制御する
とき利用するものである。すなわち、この発明は、包装
体内における気体のアルコール濃度の測定法に関するも
のであり、当該測定法の精度を高めることを目的として
いる。また、これによりアルコール臭は感じないが、保
存性が優れている食品を製造することを目的としている
。This invention measures the alcohol concentration inside the package when food is sealed and packaged with alcohol to increase its shelf life, and checks whether the growth of microorganisms is suppressed or whether the alcohol concentration is within a range where the food does not smell like alcohol when eaten. This is used to control usage. That is, the present invention relates to a method for measuring the alcohol concentration of a gas inside a package, and aims to improve the accuracy of the measuring method. In addition, the aim is to produce foods that do not smell like alcohol but have excellent storage stability.
課題を解決するための手段
この発明では、密封包装体内の気体中のアルコール濃度
を測定するために密封包装体に吸引装置の吸引用の針を
挿入し、包装体内の気体を所定量吸引し、次いで吸引装
置内の気体と検出装置内の気体を循環混合して均一の組
成としてから検出装置内の検知素子にて検知し、これを
検出装置の表示部に表示するようにしている。Means for Solving the Problems In this invention, in order to measure the alcohol concentration in the gas inside the sealed package, a suction needle of a suction device is inserted into the sealed package, and a predetermined amount of gas inside the package is sucked. Next, the gas in the suction device and the gas in the detection device are circulated and mixed to obtain a uniform composition, which is then detected by a detection element in the detection device, and this is displayed on the display section of the detection device.
ここに用いる吸引装置とは、包装体内の気体を吸引する
ための中空の針と、包装体内の気体の量に応じた所定量
の気体を保持するするための気体保持部と、包装体内の
気体を気体保持部に吸引するための吸引部よりなってい
る。The suction device used here consists of a hollow needle for suctioning the gas inside the package, a gas holding part for holding a predetermined amount of gas according to the amount of gas inside the package, and a gas holding part for holding a predetermined amount of gas according to the amount of gas inside the package. It consists of a suction section for sucking the gas into the gas holding section.
このような吸引装置の望ましい一形態として、先端に中
空の針を付けた円筒状の外筒と、外筒との接触面に隙間
が生じないように挿入できる内筒であるピストンからな
る、例えば針を付けた注射器のような構造が考えられる
。One desirable form of such a suction device is a suction device consisting of a cylindrical outer cylinder with a hollow needle at its tip and a piston, which is an inner cylinder that can be inserted so that there is no gap in the contact surface with the outer cylinder. A structure resembling a syringe with a needle attached is conceivable.
また、検出装置とは、測定する気体を例えばポンプなど
により検出部に送り、同時に検出部内の気体を検出部の
外に送り出すようになっており、検出部には検知素子か
設けられた構造となっている。また、必要により検出部
に温度を測定するための素子を設けるようにする。なお
、要すれば包装体内の気体と検出装置内部の気体を混合
するための混合タンクを設けるようにする。Furthermore, a detection device has a structure in which the gas to be measured is sent to the detection part using, for example, a pump, and at the same time the gas inside the detection part is sent out of the detection part, and the detection part is equipped with a detection element. It has become. Furthermore, if necessary, the detection section may be provided with an element for measuring temperature. Note that, if necessary, a mixing tank may be provided to mix the gas inside the package and the gas inside the detection device.
検知素子として環境のアルコールを検知し電気信号に変
えるガス検知素子が利用でき、たとえば熱伝導型検知素
子、水素炎イオン型検知素子、熱線型半導体検知素子、
電子捕獲型検知素子、触媒による接触燃焼型検知素子な
どのガス検知素子が利用できる。As a detection element, a gas detection element that detects alcohol in the environment and converts it into an electrical signal can be used, such as a thermal conduction type detection element, a hydrogen flame ion type detection element, a hot wire type semiconductor detection element,
Gas detection elements such as electron capture type detection elements and catalytic combustion type detection elements using catalysts can be used.
検知素子で検知した信号の変化は、電気的に増幅され、
要すれば温度検知素子からの信号で補正し、気体中のア
ルコール濃度に対応した数値がデジタル式又はアナログ
式に表示するようにする。Changes in the signal detected by the sensing element are electrically amplified,
If necessary, it is corrected using the signal from the temperature sensing element, and a value corresponding to the alcohol concentration in the gas is displayed in a digital or analog format.
このような装置で密封包装体内部の気体中のアルコール
濃度を測定するには、先ず吸引装置の針を包装体外部か
ら挿入する。In order to measure the alcohol concentration in the gas inside the sealed package using such a device, first the needle of the suction device is inserted from outside the package.
針の挿入により包装材が裂けたり、挿入した針の周囲が
ら空気が入ったりするおそれかある場合、包装体外面に
ビニールテープや小さなコムの塊などを接着剤で貼着し
、ビニール面やゴム面をｉＩｌて針を挿入するなどして
、吸引時に外気が混ざらないようにするのが望ましい。If there is a risk that the packaging material may tear due to insertion of the needle or that air may enter around the inserted needle, attach vinyl tape or small chunks of com with adhesive to the outside of the packaging, and It is preferable to insert the needle with the surface facing up to avoid mixing with outside air during suction.
針を挿入したら、吸引部により包装体内部の気体を所定
量吸引して、気体保持部に包装体内部の気体を導入す。After inserting the needle, a predetermined amount of gas inside the package is sucked by the suction section, and the gas inside the package is introduced into the gas holding section.
包装体内部から吸引する気体の量は、包装体内部の気体
の量に応じ、任意に定められるが、検出装置内の空気と
混合しても測定可能な濃度となる量とする。The amount of gas to be sucked from inside the package is arbitrarily determined depending on the amount of gas inside the package, but it is determined to be an amount that provides a measurable concentration even when mixed with the air in the detection device.
次いで吸引装置内の気体と検出装置内の空気を循環混合
して均一の組成とする。Next, the gas in the suction device and the air in the detection device are circulated and mixed to have a uniform composition.
すなわち、ポンプにより吸引口から吸い込まれた測定気
体は測定装置の測定部に送られ同時に検出装置内部の空
気が測定装置の排出口から排出するようになっている検
出装置の吸引口と排出口をそれぞれ吸引装置の気体保持
部に接続し、ポンプを作動することにより、吸引装置の
気体保持部にあった密封包装体内部の気体と検出装置の
吸引口から検出部に行くまでの導管、検出部、検出部か
ら排出口までの導管なとに存在する検出装置内部の空気
とを混合し、均一の組成とする。In other words, the measurement gas sucked in from the suction port by the pump is sent to the measurement section of the measurement device, and at the same time, the air inside the detection device is discharged from the suction port and exhaust port of the measurement device. By connecting each to the gas holding part of the suction device and operating the pump, the gas inside the sealed package that was in the gas holding part of the suction device, the conduit from the suction port of the detection device to the detection part, and the detection part , and the air inside the detection device existing in the conduit from the detection section to the discharge port to form a uniform composition.
また、検出部の吸引口と排出口との間に混合タンクを設
け、ポンプを作動することにより検出部と混合タンクと
の間を気体か循環するようになっている検出装置を用い
、混合タンクのコム栓に吸引装置の針を通すなどして吸
引装置から混合夕／りに一定量の密封包装体内部の気体
を５合タンクに移し、ポンプを作動させることにより、
検出装置内部の空気と密封包装体の気体を混合し、均一
な組成とすることも可能である。In addition, a mixing tank is installed between the suction port and the discharge port of the detection section, and the gas is circulated between the detection section and the mixing tank by operating a pump. By passing the needle of the suction device through the com stopper, a certain amount of the gas inside the sealed package is transferred from the suction device to the 5-ton tank, and the pump is activated.
It is also possible to mix the air inside the detection device and the gas in the sealed package to create a uniform composition.
均一な組成となったら検出装置の検出部に設けられてい
る検出素子によりアルコール濃度を検出し、濃度に対応
した数値を読み取り、密封包装体から吸引した気体の量
と、検出装置及び混合タンクに存在した空気の量とから
、密封包装体内部の気体のアルコール濃度を換算する。Once the composition is uniform, the alcohol concentration is detected by the detection element installed in the detection part of the detection device, a value corresponding to the concentration is read, and the amount of gas sucked from the sealed package and the detection device and mixing tank are measured. The alcohol concentration of the gas inside the sealed package is calculated from the amount of air present.
実施例
小型パイを包装袋に入れ、その中にアルコールを噴霧し
た後密封し、１週間常温で保存してあったパイのピロ包
装体の外部から注射器の針を挿入し、内部の気体を一定
量抜き取った。Example A small pie was placed in a packaging bag, alcohol was sprayed into the bag, the bag was sealed, and the pie was stored at room temperature for one week.A syringe needle was inserted from the outside of the package to keep the gas inside constant. I took out the amount.
次いで、測定する気体をポンプにより検出部に送り、同
時に検出部内の気体を検出部の外に排出するようになっ
ており、検出部には接触燃焼型ガス検知素子及び温度検
出素子が設けられた構造のガス検知部の吸引口と排出口
の間に、中央部にゴム栓を有する円筒状のガラス管から
なる混合タンクで結び、ガス検知部のポンプを作動させ
ると内部の気体はガス検知部と混合タンクとの間を循環
するようになっている検出装置の混合タンクのゴム栓に
注射器の針を挿入し、中の気体を混合タンクに注入した
。Next, the gas to be measured is sent to the detection part by a pump, and at the same time the gas inside the detection part is discharged outside the detection part, and the detection part is equipped with a catalytic combustion type gas detection element and a temperature detection element. A mixing tank made of a cylindrical glass tube with a rubber stopper in the center is connected between the suction port and the discharge port of the gas detection section of the structure, and when the pump of the gas detection section is operated, the gas inside flows into the gas detection section. A syringe needle was inserted into the rubber stopper of the mixing tank of the detection device, which circulates between the gas and the mixing tank, and the gas inside was injected into the mixing tank.
次いで、ポンプを作動させ、あらかじめ検出装置内に存
在していた空気と注入された密封包装体内の気体とを混
合し、均一の組成とした。Next, the pump was operated to mix the air that had previously existed in the detection device with the injected gas in the sealed package to form a uniform composition.
検出装置内の気体が均一となったら、検出素子からの信
号を表示する指示計の値を読み取り、均一に混合した気
体のアルコール濃度を測定し、その値より密封包装体内
の気体のアルコール濃度を求めた。When the gas inside the detection device becomes homogeneous, read the value on the indicator that displays the signal from the detection element, measure the alcohol concentration of the uniformly mixed gas, and use that value to determine the alcohol concentration of the gas inside the sealed package. I asked for it.
密封包装体から抜き取った気体の量・・・・・・５ｃｃ
混合タンクの容量 ・・・・・・・・・・・・１４ｃｃ
ガス検知部（含ポンプ）内部の空気の量・・１２ｃｃ均
一にした気体のアルコール濃度・・・０１２％密封包装
体内のアルコール濃度・・・・・０．７４％なお、密封
ピロ包装してあったパイは、開封後直ちに食べたがアル
コール臭をほとんど感しなかった。Amount of gas extracted from the sealed package: 5cc
Mixing tank capacity: 14cc
Amount of air inside the gas detection unit (including pump): 12cc Alcohol concentration of the uniform gas: 0.12% Alcohol concentration inside the sealed package: 0.74% When I ate the pie immediately after opening it, I could hardly detect any alcohol odor.
試験例
パン、カステラなどの市販の水分活性が比較的大きな半
生食品を長期間保存したとき食品表面に生じた黴を採取
し、あらかじめ培養したものを試験用培地に接種し、培
地の環境空気中にアルコールが０．１〜１．１％存在す
る状態として２０℃にて５力月間培養したときの黴の発
育状態は表のようになった。Test Example When commercially available semi-raw foods with relatively high water activity such as bread and castella are stored for a long period of time, the mold that forms on the surface of the food is collected, and the mold that has been cultured in advance is inoculated into a test medium. When cultured at 20° C. for 5 months in the presence of 0.1 to 1.1% alcohol, the growth state of the mold was as shown in the table.
表
アルコールによる黴の発育抑制効果
衣に見るように、空気中のアルコールの濃度か０６％或
はそれ以上ではとんとの黴の発育か抑制された。しかし
、アルコール耐性の強いモナスカス属に属する幾つかの
菌では、０．７％でも発育か認められ、〕 １％で発育
か抑制された。また、ベニ／リウム属に属する菌では、
０６％ではわずかに発育したか、０７％では発育かみら
れなかった。Effect of alcohol on inhibiting mold growth As seen in the figure, the growth of mold was significantly inhibited when the concentration of alcohol in the air was 0.6% or higher. However, some bacteria belonging to the genus Monascus, which have strong alcohol tolerance, were observed to grow even at 0.7%, and their growth was suppressed at 1%. In addition, among bacteria belonging to the Beni/Rium genus,
In 06%, there was slight growth, and in 07%, no growth was observed.
Claims (1)
を所定量吸引し、次いで吸引装置内の気体と検出装置内
の気体とを循環混合して均一な組成としてから検出装置
内の検知素子にて検知することを特徴とする密封包装体
内の気体中のアルコール濃度の測定法。Insert the needle of the suction device into the sealed package, suck out a predetermined amount of gas inside the package, then circulate and mix the gas inside the suction device and the gas inside the detection device to make a uniform composition, and then remove the gas inside the detection device. A method for measuring alcohol concentration in a gas inside a sealed package, which is characterized by detection using a detection element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13365490A JPH0427862A (en) | 1990-05-23 | 1990-05-23 | Measuring method for concentration of alcohol in gas within hermetically sealed package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13365490A JPH0427862A (en) | 1990-05-23 | 1990-05-23 | Measuring method for concentration of alcohol in gas within hermetically sealed package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0427862A true JPH0427862A (en) | 1992-01-30 |
Family
ID=15109831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13365490A Pending JPH0427862A (en) | 1990-05-23 | 1990-05-23 | Measuring method for concentration of alcohol in gas within hermetically sealed package |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427862A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002006823A1 (en) * | 2000-07-15 | 2002-01-24 | Alexander Wannenwetsch | Measuring probe |
| JP2011133231A (en) * | 2009-12-22 | 2011-07-07 | Toray Eng Co Ltd | Specific gas concentration meter |
-
1990
- 1990-05-23 JP JP13365490A patent/JPH0427862A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002006823A1 (en) * | 2000-07-15 | 2002-01-24 | Alexander Wannenwetsch | Measuring probe |
| JP2011133231A (en) * | 2009-12-22 | 2011-07-07 | Toray Eng Co Ltd | Specific gas concentration meter |
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