By blanching immature greens 90's it lowers their pH value in the meal, as does boiling other vegetables sources. it also aids in predigesting leafy greens and and stalked and root vegetables. This also increases the availability of the minerals in these sources to the body vs. consuming them raw. Blanching of all vegetable for 90 sec. kills potential bad bacteria, and worms they may be carrying. Blanching and boiling also improves the taste of greens, as it lowers the bitterness of brassica and other leafy greens.
The mean pH value of the urine is reflective of the diet. When the mean urine pH of the diet falls in the mid 6 range around (6.4 to 6.5), yet up to (6.9 is good also, it best supports digestion and the availability of nutrients in the foods to the body. Below (6.0) into the 5 and lower range is highly acidic that is also abnormal and healthy. Over (7.0) mean urine pH into the alkaline range doesn't well support the digestion of foods as does a mean urine pH that is slightly acidic. The normal mean urine pH of small mammals is mid six range around (6.5). Keep in mind that in taking readings they will range from (6.0 to 8.0).
To determine the mean, the most common value of the readings taken, take a minimum of 3 readings the same day at least one hour after meals, and then one additional reading the next day prior to the first meal. Then total the values and divide by the total number of readings taken. The more readings obtained the first day, the more accurate the value of the mean will be.
Here is an inexpensive source that can support determining the mean urine pH of the diet you are feeding. If the diet is imbalanced from being too acidic the mean will be below 6.0, and if alkaline then above 7.0.
https://www.amazon.com/Litmus-Strips...NsaWNrPXRydWU=
To correct an pH imbalance in the diet, if alkaline, boil the sources to reduce the overall mean urine pH of the diet; if too acidic below 6.2, increase alkaline sources. These aren't just vegetables though, but melon, and fresh tree fruits that also lend support towards balancing the mean urine pH promoted by the diet. Abnormal mean urine pH has been confirmed in rats and mice and other small mammals to promote an increased in calcium loss in the urine that may also contribute to the development of kidney and bladder stones.