Science Facts

Why Does Salt Make Food Taste Better? (Reveal It!)

There are different types of salt, but people use sodium chloride for food or cooking. We use sodium and chloride ions to keep our cells inflated, regulate blood pressure, and convey electrical nerve impulses throughout the body. To maintain it, we need to consume about 6 grams of sodium chloride per day. Sodium chloride can chemically block bitter taste receptors and amplify senses.

Why does salt make food taste better? (Biological Process)

To have a salty taste, you have to have sodium ions present. When sodium ion is present inside the mouth, it finds gustatory cells specific to letting sodium in. These gustatory cells have special channels that just let sodium come on through into the cell itself. When sodium goes into basically any cell in the body, it will cause the polarity to go more positive or more towards zero. It happens with a voltage change and action potentials. So once a greater potential happens, the voltage-gated sodium channel will open and let more sodium diffuse. After that, a voltage-gated calcium channel will open, letting calcium diffuse in.

When calcium comes into a cell, it causes vast changes inside of the cell. It will bind to vesicles containing ATP, and it’ll cause their snare proteins to be active. And the calcium will also buy to snare proteins on the edge of the gustatory cell and activate those snare proteins. The snare proteins of the gustatory cell will intermingle with each other so that they can fuse the vesicle and the gustatory cell membranes. It will result in the dumping of the ATP molecules outside of the gustatory cell.

When the ATP contacts that neuron, it is then triggered to create an action potential, which then travels to the gustatory cortex of the brain. It tells you that you are eating a bunch of salt. The taste buds then feel salty, which helps to release serotonin. Serotonin is responsible for feeling goods. So salty food taste better for this.

Saltiness is one of the five primary basic tastes that the human tongue can detect. Those five tastes being salt, bitter, sweet, sour, and umami. If you’re not familiar with this one, it is from glutamic acid found in many foods, particularly some meats. And it is the basis of the flavor enhancer. Monosodium glutamate is known as MSG. It is a flavor enhancer that is responsible for cranking up the sensational umami flavors on our tongue.

The extra salt has other effects as well outside of simply making things saltier. Particularly adding salt to foods helps with certain molecules in those foods more easily release into the air. Thus it helps the aroma of the food, which is important in our perception of taste. Adding a bit of salt won’t just increase salty taste perception but will also suppress bitter taste perception in any given food. It helps balance the taste a bit by making the perceived flavor.


Read more: Why is salt white color?

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