Preference for sweets

Given the increase in cases of diabetes and obesity, it is important to know how intake regulation systems work and why the preference for sweet foods may be greater.

Sweet is one of the five basic and unique tastes that is globally accepted by all cultures and ethnicities on earth as one of the most pleasurable tastes. It is detected mainly in the taste buds at the tip of the tongue. Foods that are high in carbohydrates are perceived as sweet and the artificial flavorings that provide the sweet taste are called sweeteners.

Sweet molecules in nature are sugars found mainly in plants (i.e., fructose, sucrose, and glucose), in addition to lactose found in the milk of many species, all of which provide a source of energy and sweetness. It has been hypothesized that sweetness preference may exist to identify energy-rich foods (i.e., containing readily available glucose).

The factors associated with sweet preference are multifaceted and incredibly complex. Among them we can find age, dietary factors, reproductive hormonal factors, body weight status, heritable, weight loss, sound, personality, ethnicity and lifestyle, previous exposure, disease and "other" determinants.

Genes analyzed

SLC2A2

Bibliography

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