The pH in a beverage is a unit of measurement that indicates how acidic or basic (alkaline) that drink is. It stands for “Power of Hydrogen” and measures the concentration of hydrogen ions in a liquid.
Here is the essential information to help you understand pH in the world of drinks:
1. How Does the pH Scale Work?
The pH scale ranges from 0 to 14:
• pH 7 (Neutral): Pure water is at this value. It is neither acidic nor basic.
• Below pH 7 (Acidic): As the value decreases, acidity increases. Most fruit juices and carbonated drinks fall into this group.
• Above pH 7 (Basic/Alkaline): As the value increases, alkalinity increases. Some mineral waters and carbonated mixtures are in this group.
2. Why is pH Important?
The pH level in beverages directly affects both our health and our tasting experience:
• Dental Health: Beverages with a pH value below 5.5 are considered “erosive.” This level of acidity can wear down tooth enamel over time.
• Digestion: Highly acidic drinks can cause a burning sensation in people with stomach sensitivity or reflux.
• Flavor Balance: Acidity adds a “refreshing” and “vibrant” taste to drinks. For instance, if the acid balance in wine or fruit juice is too low, it may taste “flat.”
Does Water Need to Have a High pH?
The answer to this question actually depends on “your purpose for drinking it.” Consider these points when choosing between high pH (alkaline) or neutral water:
1. Ideal Drinking Water pH Range
According to the World Health Organization (WHO), it is generally recommended that drinking water have a pH value between 6.5 and 8.5.
• pH 7.0 (Neutral): This is the closest to the body’s natural balance and the safest water.
• pH 8.5+ (Alkaline): The “alkaline water” trend, which has gained popularity in recent years, claims that these waters reduce the acid load in the body.
2. Benefits and Risks of High-pH (Alkaline) Water
While not a “must” for everyone, high-pH water can be advantageous in certain cases:
• Reflux Issues: Research shows that alkaline water at a pH level of 8.8 can neutralize pepsin, the enzyme that triggers stomach acid, thereby reducing reflux complaints.
• Hydration: Some athletes believe that high-pH water regulates blood viscosity faster after intense training.
• Points to Consider: Consistently consuming very high-pH water (9.5 and above) can disrupt the stomach’s natural acid balance, making digestion difficult or affecting the body’s mineral balance (especially calcium).
3. Does the pH Value Affect the Taste?
Yes, the pH level of water changes the sensation on your palate:
• Low pH (Acidic): The water may have a “sharper” or metallic taste.
• High pH (Alkaline): The water may feel “slippery,” smooth, or sometimes slightly bitter.
Summary: Should it be High?
• For daily consumption: Waters with a pH value between 7.2 and 8.0 are generally considered the most balanced and flavorful.
• If you have high stomach acid: Choosing waters in the 8.0 – 8.5 range may provide relief.
• If you have kidney stones or chronic illness: You should definitely consult a doctor before consuming high-alkaline water, as mineral balance is critical in these conditions.
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