JP2005087189A - Reducing cow's milk and method for producing the same - Google Patents
Reducing cow's milk and method for producing the same Download PDFInfo
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Abstract
Description
この出願の発明は、新規な還元性牛乳及びその製造方法に関する。 The invention of this application relates to a novel reducing milk and a method for producing the same.
従来から、牛乳は健康促進を考えて一般的に広く飲用されるものであるが、その牛乳を酸化還元という立場から検証する考え方はない。通常いろいろな牛乳が、通常の生活の中で取り入れられているが、その飲用する牛乳の酸化還元電位を問題視し、牛乳に還元性を持たせようとする考え方はあまり取り入れられてこなかった。 Conventionally, milk is generally drunk in consideration of health promotion, but there is no way to verify the milk from the standpoint of redox. Various types of milk are usually incorporated in daily life, but the idea of giving milk a reducibility has not been incorporated so much, considering the redox potential of the milk it drinks as a problem.
そこで、発明者は、還元性の牛乳を得るべくいろいろな実験を重ねた結果、牛乳に加圧下で常温ないし冷却した水素ガスを平衡状態となるまで溶解させ、この状態で加圧圧力を取り除いて常温常圧に戻すと、溶解していた水素ガスの一部分が気化するとはいえ、通常の溶解度の数倍ないし数千倍近い水素ガスが溶解していること、この溶解した水素ガスは、ほとんど気化することなく安定して溶解しているため、非常に低い酸化還元電位を有することを見出し、本願発明を完成するに至ったのである。 Therefore, the inventor conducted various experiments to obtain reducible milk, and as a result, dissolved hydrogen gas that had been cooled to room temperature or cooled under pressure until it reached equilibrium, and the pressurized pressure was removed in this state. When returning to room temperature and normal pressure, a part of the dissolved hydrogen gas is vaporized, but the hydrogen gas is several to several thousand times the normal solubility, and the dissolved hydrogen gas is almost vaporized. Therefore, the present invention has been found to have a very low oxidation-reduction potential and has been completed.
すなわち、本発明は、十分な還元性を有する牛乳及びその製造方法を提供することを目的とする。本発明のかかる目的は以下の構成により達成し得る。 That is, an object of the present invention is to provide milk having sufficient reducibility and a method for producing the same. This object of the present invention can be achieved by the following configurations.
本発明の一態様によれば、常温常圧下で酸化還元電位が−10mv以下の牛乳が提供される。この還元性の牛乳はこれまでに飲用に供されてきた牛乳と違い、十分に低い−10mv以下の酸化還元電位を有しているため、何らの健康問題を引き起こすこともなく、還元性牛乳として通常的に飲用することができることになる。 According to one embodiment of the present invention, milk having a redox potential of −10 mV or less under normal temperature and pressure is provided. Unlike the milk that has been used for drinking, this reducing milk has a sufficiently low redox potential of -10 mV or less, so that it does not cause any health problems and can be used as reducing milk. You will be able to drink normally.
また、本発明の別の態様によれば、0℃〜100℃の牛乳に−180℃〜90℃の水素ガスを0.1気圧〜1000気圧に加圧して溶解せしめ、常温常圧に戻すことにより得られた還元性牛乳及びその製造方法が提供される。 Moreover, according to another aspect of the present invention, hydrogen gas at −180 ° C. to 90 ° C. is pressurized to 0.1 atm to 1000 atm in milk at 0 ° C. to 100 ° C. and returned to normal temperature and pressure. The reducing milk obtained by 1 and the manufacturing method are provided.
なお、本発明における還元性牛乳の製造に際し、水素ガスの温度の上限を90℃としたのは、水素ガスは通常水素ガスボンベ内に入れられて供給されるが、室外に放置されていた水素ガスボンベの温度が太陽光により90℃となることはよくあることであり、この程度の水素ガスでも十分に牛乳に溶解させることができるが、あまり温度が高いものでは牛乳の温度の著しい上昇につながって溶解度が減少するので好ましくないためである。水素ガスの温度の下限を−180℃としたのは、水素ガスは−253℃以下に冷却された液体水素の形で供給される場合もあるが、この液体水素を気化させて牛乳に溶解させる際、もとの牛乳の温度、水素ガスの供給圧力及び流量にも依存するが、実験的に牛乳が凝固しないように溶解させ得る温度を確認して限定したものである。しかしながら、得られる還元性牛乳は最終的には常温常圧に戻されるものであるから、経済性及びエネルギー効率の観点からは、液体水素の有する低温を他の目的に利用して、牛乳に溶解させる際の水素温度は0℃以上となしたほうがよい。 In the production of reducible milk in the present invention, the upper limit of the hydrogen gas temperature is set to 90 ° C. The reason why the hydrogen gas is usually supplied in a hydrogen gas cylinder, but the hydrogen gas cylinder that has been left outside the room is used. It is common for the temperature of water to reach 90 ° C due to sunlight, and even this level of hydrogen gas can be sufficiently dissolved in milk, but if the temperature is too high, it will lead to a significant rise in the temperature of milk. This is because the solubility decreases, which is not preferable. The reason why the lower limit of the temperature of the hydrogen gas is set to −180 ° C. is that hydrogen gas may be supplied in the form of liquid hydrogen cooled to −253 ° C. or lower, but this liquid hydrogen is vaporized and dissolved in milk. At this time, although it depends on the temperature of the original milk, the supply pressure and the flow rate of hydrogen gas, the temperature at which the milk can be dissolved experimentally is confirmed and limited. However, since the resulting reduced milk is finally returned to room temperature and normal pressure, from the viewpoint of economy and energy efficiency, the low temperature of liquid hydrogen can be used for other purposes and dissolved in milk. It is better that the hydrogen temperature during the heating is 0 ° C. or higher.
なお、牛乳に水素ガスを溶解させる際の圧力は0.1気圧〜1000気圧(ゲージ圧)とする。圧力が高ければ高いほど牛乳に溶解する水素ガス量は多くなるが、得られる還元性牛乳は最終的には常温常圧に戻されるものであるから、あまり圧力が高くても常圧に戻した際に気化してしまう水素量が多くなるために経済的及びエネルギー的には無駄になる。好ましくは0.1気圧〜10気圧、更に好ましくは1気圧〜8気圧が使用される。 In addition, the pressure at the time of dissolving hydrogen gas in milk shall be 0.1 atmosphere-1000 atmospheres (gauge pressure). The higher the pressure, the more hydrogen gas will dissolve in the milk, but the resulting reduced milk will eventually return to room temperature and normal pressure, so even if the pressure is too high, it will be returned to normal pressure. Since the amount of hydrogen that is vaporized at the time increases, it is wasted economically and in energy. Preferably 0.1 to 10 atmospheres, more preferably 1 to 8 atmospheres is used.
このとき、牛乳への水素ガスの溶解割合は、水素ガスを溶解させた際の温度及び圧力により変化するが、常温常圧に戻した際に約0.001〜0.5wt%程度が安定して溶解している。常温常圧下における水素ガスの牛乳への溶解度は約2ml/100ml(約1.8×10−4wt%)であるから、本発明で得られる還元性牛乳中の水素ガス量は単に常温常圧下で水素ガスを溶解させた場合と比すると約5〜2500倍もの水素ガスが溶解していることになる。 At this time, the dissolution rate of hydrogen gas in milk varies depending on the temperature and pressure when the hydrogen gas is dissolved, but about 0.001 to 0.5 wt% is stable when the temperature is returned to normal temperature and pressure. Is dissolved. Since the solubility of hydrogen gas in milk at room temperature and normal pressure is about 2 ml / 100 ml (about 1.8 × 10 −4 wt%), the amount of hydrogen gas in the reduced milk obtained in the present invention is simply at room temperature and normal pressure. Compared with the case where hydrogen gas is dissolved, about 5 to 2500 times as much hydrogen gas is dissolved.
このように多量の水素ガスが安定的に牛乳中に溶解していることの理由は、水素ガスの一部分は過飽和状態で溶解していると考えることはできるが、それだけでは溶解水素ガス量が多すぎるために説明ができない。詳細な理由は今後の研究に待つ必要はあるが、本発明者は以下のような現象が生じているものと推定した。 The reason why such a large amount of hydrogen gas is stably dissolved in milk can be considered that a part of the hydrogen gas is dissolved in a supersaturated state, but by itself, the amount of dissolved hydrogen gas is large. I cannot explain because it is too much. Although it is necessary to wait for further research for the detailed reason, the present inventor presumed that the following phenomenon occurred.
すなわち、常温常圧下で牛乳に水素ガスを溶解させても、通常は何らの反応も生じない。しかしながら、加圧下で水素ガスを牛乳に溶解させると牛乳中の酸素原子と水素ガスの水素原子とが近づき、両者間に水素結合が生じ、そのため、加圧下では水素ガスは従来予測されているよりも多量に溶解する。この一旦生成した水素結合は常圧に戻しても幾分かは安定状態で残っているため、常圧下でも予測数量よりも数倍〜数千倍もの水素ガスが安定的に溶解しているものと推定される。 That is, even if hydrogen gas is dissolved in milk at room temperature and normal pressure, no reaction usually occurs. However, when hydrogen gas is dissolved in milk under pressure, oxygen atoms in the milk and hydrogen atoms in hydrogen gas approach each other, and hydrogen bonds are formed between them. Also dissolves in large quantities. This hydrogen bond once generated remains in a stable state even when it is returned to normal pressure, so hydrogen gas that is several to several thousand times more stable than the expected quantity is dissolved even under normal pressure. It is estimated to be.
本発明における還元性牛乳の製造にあたっては、周知の気液接触装置を使用することができ、バッチ式であっても連続流通式であっても適宜使用し得る。高圧で水素ガスを吸収させた牛乳を常温常圧に戻したときに気化した水素ガスは、当然に回収して再利用することができる。以下、本発明の具体例により詳細に説明する。 In producing the reducible milk in the present invention, a known gas-liquid contact device can be used, and it can be appropriately used regardless of whether it is a batch type or a continuous flow type. Naturally, the hydrogen gas vaporized when milk that has absorbed hydrogen gas at a high pressure is returned to normal temperature and pressure can be recovered and reused. Hereinafter, specific examples of the present invention will be described in detail.
(実施例) (Example)
まず、水素ガスを溶解させる前の牛乳のpH及び酸化還元電位を測定した。その結果を表にまとめて示した。 First, the pH and redox potential of milk before dissolving hydrogen gas were measured. The results are summarized in a table.
実施例として室温における牛乳に常温の水素ガスを入口圧力6気圧、出口圧力0.2気圧となるように調整し、気液接触装置を用い、計1リットルを200ml/分の割合で5分間流した。その後、得られた還元性牛乳を常温常圧下に保持し、酸化還元電位及びpHを測定した。その結果をまとめて表に示した。 As an example, normal temperature hydrogen gas is adjusted to milk at room temperature so that the inlet pressure is 6 atm and the outlet pressure is 0.2 atm, and a total of 1 liter is flown at a rate of 200 ml / min for 5 minutes using a gas-liquid contact device. did. Thereafter, the obtained reducing milk was kept under normal temperature and pressure, and the oxidation-reduction potential and pH were measured. The results are summarized in the table.
この表の結果から、本発明の還元性牛乳はpHがあまり変化しないにもかかわらず酸化還元電位が−568mvと非常に低い還元性を示しているのがわかる。
From the results of this table, it can be seen that the reducing milk of the present invention has a very low reducing potential of -568 mV even though the pH does not change much.
表1における酸化還元電位−537mvの還元性牛乳を室温下に放置し、経過時間と酸化還元電位及びpHの関係を測定した。その結果をまとめて表3に示す。 Reducing milk having a redox potential of -537 mV in Table 1 was allowed to stand at room temperature, and the relationship between elapsed time, redox potential, and pH was measured. The results are summarized in Table 3.
以上述べたように、本発明によれば、常温常圧下で酸化還元電位が非常に低い牛乳が得られるので、何ら健康問題を引き起こすことなく、通常的に使用することができるようになる。 As described above, according to the present invention, milk having a very low oxidation-reduction potential under normal temperature and normal pressure can be obtained, so that it can be used normally without causing any health problems.
Claims (5)
(1)0℃〜100℃の牛乳に−180℃〜90℃の水素ガスを0.1気圧〜1000気圧に加圧して溶解せしめる行程。
(2)前記(1)の行程で得られた牛乳を常圧に戻す行程。A method for producing milk comprising the steps of (1) and (2) below.
(1) A process in which hydrogen gas at −180 ° C. to 90 ° C. is pressurized to 0.1 atm to 1000 atm in milk at 0 ° C. to 100 ° C.
(2) A process of returning the milk obtained in the process of (1) to normal pressure.
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JP2009011267A (en) * | 2007-07-06 | 2009-01-22 | Minoru Tomita | Reducing treatment method for animal milk, and reduced animal milk |
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JP2009011267A (en) * | 2007-07-06 | 2009-01-22 | Minoru Tomita | Reducing treatment method for animal milk, and reduced animal milk |
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