**2. Nutritional perspectives of** *Citrus*

*Citrus* spp. is abundant in vitamin C and is low in cholesterol, salt, and fat, and has a relatively low average calorie value, which may be helpful for users worrying about

#### **Figure 1.**

*Nutritional composition of* Citrus *fruit [1].*

being overweight. *Citrus* includes significant levels of carotenoids (some of which can be converted to vitamin A), folate, and fiber [15]. The macronutrient composition of some *Citrus* fruit is presented in **Figure 1** [1].

The fruits are high in important nutrients, such as dietary fiber, and simple sugars, and often a variety of micronutrients, including thiamin, copper, riboflavin, vitamin B6, magnesium, niacin, calcium, potassium, folate, phosphorus, pantothenic acid, all of which have been required for health maintenance and proper development [16]. Additionally, studies were carried out to better comprehend the diversity found in nature phytonutrients, such as flavonoids, carotenoids, and limonoids. Epidemiological data and other investigations have revealed that all these active components have a broad range of biological consequences and they may serve to act as an intermediary between *Citrus* fruit consumption and sickness protection [17], such as hyperglycemia, cancer, osteoporosis, cataracts, and cardiovascular disease. The nutritional profile of various *Citrus* fruits is presented in **Table 1** [1].
