A Real Pressure Cooker (sort of)

I just asked Google’s AI this question:

Is it true That pressure cooking food destroys many of the nutrients that are in the food… compared to non-pressurized cooking? please double check your answer.

Gemini said:
Actually, the idea that pressure cooking destroys more nutrients than other methods is a common misconception. In many cases, the opposite is true.

While all forms of cooking involving heat will cause some nutrient loss (particularly with Vitamin C and B vitamins), pressure cooking is often superior at preserving nutrients compared to boiling or steaming for several reasons:

1. Shorter Cooking Times
Heat is the enemy of many vitamins. Because a pressure cooker raises the internal temperature and pressure, food cooks roughly 70% faster than traditional methods. This shorter exposure to heat often means less degradation of heat-sensitive antioxidants and vitamins.

2. Less Water Usage
When you boil vegetables, many water-soluble vitamins (like Vitamin C and Folate) leach out into the cooking water. If you pour that water down the drain, you lose those nutrients. Pressure cooking requires very little liquid, and because the vessel is sealed, the nutrients stay trapped within the food or the small amount of remaining liquid.

3. Oxygen Exclusion
Oxidation is another factor that destroys nutrients during cooking. In a pressure cooker, the air is vented out and replaced by steam early in the process. This low-oxygen environment helps prevent the oxidation of vitamins and fatty acids.

The “Anti-Nutrient” Bonus
Pressure cooking is particularly effective at reducing lectins and phytic acid in legumes and grains. These are often called “anti-nutrients” because they can interfere with your body’s ability to absorb minerals like iron and calcium. The high heat of a pressure cooker breaks these down more effectively than standard boiling.

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Very interesting…if this is accurate (?).