Oxygen-containing reductive aqueous beverage and process for production of the same
A production method and beverage technology, applied in the field of oxygen-containing reducing water beverages, can solve problems such as danger and hindering the function of a neutral environment, and achieve the effect of low redox potential
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Embodiment 1
[0029] In an embodiment of the present invention, using a known gas-liquid contact device, oxygen is dissolved in 1 liter of commercially available mineral water (produced by Nestlé Co. [二んこ人流水] (trade name)), then hydrogen was dissolved in 1 liter of oxygen-containing water in 10 minutes at a rate of 200 liters / minute under a pressurized pressure of 6 atmospheres.
[0030] As the reducing water of Example 1, it was possible to produce desirable water with an oxygen content of 3.20 mg / l, a hydrogen concentration of 0.96 ppm, a pH of 7.4, and an oxidation-reduction potential of -650 mv. The results are summarized in Table 1. In addition, for the measurement of oxidation-reduction potential, oxygen content, hydrogen concentration and pH, OPR measuring instrument, oxygen content measuring instrument, hydrogen concentration meter and pH meter produced by DKK Toa are used, and all measurements are carried out at room temperature.
[0031] redox potential
Embodiment 2
[0033] In Example 2, a commercially available tea drink was prepared. The redox potential of this tea beverage is +60mv, the dissolved oxygen content is 1.55mg / l, and the pH is 6.1. The tea beverage is supplied to the ejector at a rate of 500 ml / min under a pressure of 8 atmospheres and oxygen at a rate of 150 ml / min under a pressure of 8 atmospheres. Oxygen-containing tea drinks with a dissolved oxygen content of 31.00mg / l.
[0034] This oxygen-containing tea beverage is supplied to the ejector at the same time at a rate of 500 ml / min under a pressure of 8 atmospheres and hydrogen at a rate of 150 ml at a pressure of 8 atmospheres. After dissolving the hydrogen, return to normal pressure, Just can get dissolved oxygen content and be 4.50mg / l, pH be 6.1, redox potential be-599mv oxygen-containing reducing tea beverage.
Embodiment 3
[0036] In Example 3 a commercially available coffee drink was prepared. The redox potential of this coffee drink is +85mV, the dissolved oxygen content is 1.22mg / l, and the pH is 5.0. The coffee beverage is supplied to the ejector at the same time at a rate of 500 ml / min under a pressure of 8 atmospheres and oxygen at a rate of 150 ml / min at a pressure of 8 atmospheres. to an oxygen-reducing coffee beverage with a dissolved oxygen content of 32.70 mg / l.
[0037] This oxygen-containing coffee drink is supplied to the ejector simultaneously at a rate of 500 ml / min at a pressure of 8 atmospheres and hydrogen at a rate of 150 ml / min at a pressure of 8 atmospheres to dissolve the hydrogen, and return to normal pressure Under the following conditions, an oxygen-reducing tea beverage with a pH of 5.0, a dissolved oxygen content of 6.51 mg / l, and an oxidation-reduction potential of -428 mV can be obtained.
[0038] In addition, although the examples in which oxygen is first dissolve...
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