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Home / Tips & Tricks / How Genetics Play a Big Role in the Taste of Your Snacks

How Genetics Play a Big Role in the Taste of Your Snacks


Preparing for your children’s snack can be exhausting especially if they do not share the same likes. For example, your son wants bread while your daughter likes a bar of chocolate. You may be asking yourself if how is this possible knowing that they are living in the same house and eating the same food every day. In addition, you may wonder why does they have different taste when it comes to food preference.


Having a sweet tooth is due to the genes of the person. According to Elie Chamoun, a researcher from the University of Guelph aimed to look at on how the preschooler’s snacking pattern linked to the genes of the three at-risk taste receptors. To expound on how your children’s genetics affects their food choices, here are the things you need to know.

Not two people are alike

Knowing that your taste buds are different from your parents and siblings does not mean that you are different from them. As what Chris Macias of Sacramento Bee said, “Sensitivity to taste is as unique as a fingerprint.” your favorite food may not be the food that your sister likes. All of these are possible because of the specific gene that produces different versions of its receptor, TAS2R38.

Bitter blindness can happen for people who have genetics that has been programmed insensitivity to bitterness and strong tastes. In the case of animals, the group with lower bitter taste genes are known as strict herbivores which are higher than what omnivores and carnivores have.

different people have different taste

If you are still wondering if your daughter is not into vegetables, it is because of their ability to taste phenylthiocarbamide (PTC). Even if your children have the same parents, it is possible that they do not share similar DNA level. This situation occurs because of the reason that DNA isn’t passed down from generation to generation in a single block.

Brain affects food choices

What you are feeling may affect how they taste the food. Chemicals in the brain are the one who’s in control of the taste. When you have a problem regarding your mental health, it could affect your food choices and how you enjoy it.

According to the study entitled: Effect of Acute Stress on Taste Perception: In Relation with Baseline Anxiety Level and Body Weight, the scientists found that after making the healthy people increase their stress levels, the participants started to become more sensitive to salt and glucose.

Aside from stress, the other factor that can affect your taste is anxiety. You may ask, in what ways my taste may be altered? As stated in Calm Clinic, a person can experience a metallic taste in his mouth, a person may able to have a regurgitation taste or an acid taste in his mouth, and they can feel any changes in the general tastes in their mouth.

Different taste receptors in humans

Type I taste receptors can detect the sweetness and umami. If you are not familiar with umami, it is the savory characteristic that can be found in cooked meats and broths. The 25 different functional genes can detect bitterness and Type II taste receptors. How human perceives the taste of sourness can also be identified by their genes.

Tastes differ when a person gets older. You may wonder why back when you are little you do not eat cheese, but when you grew up, you learned to love it. There is no need to worry since the mass and number of our taste buds reduce as we age. And because of this, you get to appreciate the flavors that you thought you did not like.

Smell influences food flavor

smell of food can affect how you taste the food

People have different perceptions when it comes to the variety of the odor and flavor of a certain food. Smells are not the same to every person. For example, a sweet scent can be a strong smell to you. And the one that has undesired odor might smell good to you.  Noses have olfactory tract which is as the sensory cells which help people have an ability to smell.

There are cases that a person can be too sensitive to the smell of the food. And that makes them dislike the food even before eating it. Flavor is the more accurate term for taste, which most of the people often mistaken. The smell has always been an integral part of the flavor and not just the one who influences the taste of the food.

According to Tom Finger, the University of Colorado-Denver Medical School professor, “the sensation of flavor is a combination of taste and smell.” In addition, he stated that if you started to chew a jelly bean while holding your nose, the taste is limited. However, you could recognize its flavor once you began to open your nose midway through chewing.

Genetics are different from every person. Even if two people are twins or siblings, there is a possibility that they do not have the same food preference. Genetic variants affect how we perceive the flavor of the particular food which results to how dissimilar ever person’s food choices were. And, this is how genetics affect the health and wellness of your children.

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