Related Experiment Video
Updated: Jun 2, 2026
14:23
Design and Optimization Strategies of a High-Performance Vented Box
Published on: June 9, 2023
Nutritional quality of 18 date fruit varieties
Hosam M Habib1, Wissam H Ibrahim
1Department of Nutrition and Health, Faculty of Food and Agriculture, United Arab Emirates University, Al Ain, United Arab Emirates. hosamh@uaeu.ac.ae
International Journal of Food Sciences and Nutrition
|April 19, 2011
Summary
This study compared chemical and physical traits of 18 date palm (Phoenix dactylifera) varieties. Results show significant variations in nutrients and physical properties among date fruit types.
Area of Science:
- Agricultural Science
- Food Science
- Nutritional Science
Background:
- Date fruits (Phoenix dactylifera) are a staple food in the Middle East.
- Understanding nutritional and physical variations is key for optimizing date fruit utilization.
Purpose of the Study:
- To analyze and compare chemical and physical properties of 18 popular date fruit varieties.
- To identify significant differences in dietary fiber, proximate analysis, micronutrients, and physical characteristics.
Main Methods:
- Selected 18 leading date varieties cultivated in the UAE.
- Determined dietary fiber, proximate composition, macro-elements (Ca, P, Na, K, Mg), and micro-elements (Fe, Zn, Cu, Mn, Co, Mo, Al, As, Ba, Cd, Cr, Ni, Pb, Sr, V).
- Measured physical properties: weight, length, and density.
Main Results:
- Observed significant differences (P < 0.05) across all measured parameters among the 18 date varieties.
- Date fruits exhibit considerable variability in macro- and micro-element content depending on the variety.
- Physical properties like weight, length, and density also varied significantly between varieties.
Conclusions:
- Significant variations in chemical composition and physical properties exist among different date palm (Phoenix dactylifera) varieties.
- These findings highlight the importance of variety selection for specific nutritional and commercial applications.
- Further research can leverage this data for date fruit breeding and product development.
Related Concept Videos
01:58Fruit Development, Structure, and Function
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
01:15Carbohydrates: Dietary Sources and Requirements
Carbohydrates are predominantly obtained from plant sources. With the exception of lactose found in milk and insignificant glycogen amounts in meat, most consumed carbohydrates have plant origins. Monosaccharides and disaccharides, or sugars, can be sourced from fruits, honey, milk, sugar cane, and sugar beets. Grains and vegetables are rich in the polysaccharide starch. Two types of polysaccharides provide fiber: cellulose, which is abundant in many vegetables, forms undigestible roughage or...
01:28Proteins: Dietary Sources and Requirements
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
02:35Key Elements for Plant Nutrition
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the atmosphere, the...