Composition and Biological Activities of different Date Seed varieties (Phoenix dactylifera) of Oman: Cultivation Zone Influence

Najeeb Ur Rehman, Hidayat Hussain, Mohammed Abdullah Al-Broumi, Mohammed Khiat, René Csuk, Ahmed Al-Rawahi, Abdul Latif Khan, Fazal Mabood, Ivan R Green, Ahmed Al-Harrasi

DOI: http://dx.doi.org/10.5138/09750185.1870

Abstract


Date (Phoenix dactylifera L.) seeds (pits) account for ca. 10% of the date fruit and it is the date pits that present a major problem to the date palm industry in the USA as a waste product. Currently  date pits are employed as a food source for animals and poultry, as a soil fertilizer and also as a road base gravel In order to understand the varietal effects of Omani date seeds on the nutritional properties of dates and to explore the use of this waste product from the food industry, twenty two native date seeds (Phoenix dactylifera L.) including the varieties; Qushbu Narenjahn, Fardh, Naghal, Manhi, Qush Balquan, Helali Oman, Khasab, Seedi, Qush Jabrin, Khalas, Qush Basrah, Qushbu Maan, Handal, Khunaizi, Qush Mamoor, Barshi, Barni, Azad, Zabad, Qush Tabak, Qush LuLu, and Halali Alhasa were collected from six regions of the Sultanate of Oman and were examined for their nutritional value, antioxidant and urease properties. Energy values, dry matter, and carbohydrate level were the predominant components examined in the date seeds , followed by fiber, moisture, along with small amounts of ash, protein, and fat. The results of the 22 varieties of date seeds showed a significant energy value of between 283.0 to 407.9 kcal/100g, dry matter of between 93.3%-96.3%, carbohydrate content of between 43.8%-80.6%, moisture in the range of 4.3%-6.6%), fat in the range of  5.0%-10.9%, ash content of between 0.73%-1.08%, protein content of 0.2%-6.9% and fiber content of between 5.0%-32.5%. Furthermore the antioxidant potential ranged between 7.4 - 88.3% depending upon the type of date seeds and location of samples. In this regard the Handal date seeds collected from Al-Hamra showed the highest antioxidant potential with 88.3% inhibition. Similarly urease inhibition ranged from 0.94-70.3% and Qush Tabak date seeds collected from Al-Hamra demonstrated the highest urease potential with 70.3% inhibition. It is noteworthy that Qush Basrah, Seedi, Qush Balquan, and Handal date seeds have significantly higher nutritional attributes compared to the rest in the study group. Moreover Fardh, Khasab, Khalas, and Handal date seeds collected from more than one region of Oman showed variation in some nutritional values. The nutritional analysis further demonstrated the correlation of proximate parameters in different regions of Oman. Results of the current investigation indicate a promising and significant potential for date seeds to be used as a supplementary source of a healthy diet as well as in specific pharmaceutical applications.


Keywords


Dates; Phoenix dactylifera L. seeds (pits); Nutritional value; Antioxidant property; Urease property; Energy values; Dry matter; Carbohydrate level

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References


[1] Akasha IAM, 2014. Extraction and characterisation of protein fraction from date palm (Phoenix dactylifera l.) seeds. Ph. D Thesis, Heriot-Watt University School of Life Sciences Food Science Department Edinburgh June 2014

[2] Ali HG, 2010. Development of Date Palm Cultivation and Its Role in Sustainability of Agriculture in Oman. Acta Horticulture, 882, 29−35.

[3] Habib HM, Kamal HWH, Al-Dhaheri AS. Carotenoids, fat soluble vitamins and fatty acid profiles of 18 varieties of date seed oil. Industrial Crops and Products 2013;42:567-572.

[4] Besbes S, Blecker C, Deroanne C, Drira NE, and Attia H. Date seeds: chemical composition and characteristic profiles of the lipid fraction. Food Chemistry 2004;84:577–584.

[5] Chaira N, Ferchichi A, Mrabet A, and Sghairoun M. Chemical composition of the flesh and the pit of date palm fruit and radical scavenging activity of their extracts. Pakistan Journal Biological Science 2007;10:2202-2207.

[6] Nehdi I, Omri S, Khalil MI, and Al-Resayes SI. Characteristics and chemical composition of date palm (Phoenix canariensis) seeds and seed oil. Industrial Crops and Products 2010;32:360-365.

[7] (a) Habib HM, and Ibrahim WH. Nutritional quality evaluation of eighteen date pit varieties. International Journal Food Science Nutrition 2009;60:99-111; (b) Habib HM, Platat C, Meudec E, Cheynier V, and Ibrahim WH. Polyphenolic compounds in date fruit seed (Phoenix dactylifera): characterisation and quantification by using UPLC-DAD-ESI-MS. Journal of the Science of Food and Agriculture 2014;94:1084–1089

[8] Hamada JS, Hashim IB, and Sharif FA. Preliminary analysis and potential uses of date pits in foods. Food Chemistry 2002;76:135-137.

[9] Rahman MS, Kasapis S, Al-Kharusi NSZ, Al-Marhubi IM, and Khan AJ. Composition characterisation and thermal transition of date pits powders. Journal of Food Engineering 2007;80:1-10.

[10] Abdalla RSM, Albasheer AA, Hussein ARM, and Gadkariem EA. Physico-chemical characteristics of date seed oil grown in Sudan. American Journal of Applied Sciences 2012;9:993-999.

[11] Besbes S, Blecker C, Deroanne C, Lognay G, Drira NE, and Attia H. Heating effects on some quality characteristics of date seed oil. Food Chemistry 2005;91:469-476.

[12] (a) Al-Farsi M, Alasalvar C, Al-Abid M, Al-Shoaily K, Al-Amry M, and Al-Rawahy F. Compositional and functional characteristics of dates, syrups, and their by-products. Food Chemistry 2007;104:943–947; (b) Al-Farsi M, Alasalvar C, Morris A, Baron M, and Shahid F. Comparison of antioxidant, anthocyanins, carotenoids, and phenolics of three native fresh and sun-dried date (Phoenix dactylifera L.) varieties grown in Oman. Journal Agriculture Food Chemistry 2005;53:7592-7599.

[13] Suresh S, Guizani N, Al-Ruzeiki M, Al-Hadhrami A, Al-Dohani H, Al-Kindi I, and Rahman MS. Thermal characteristics, chemical composition and polyphenol contents of date-pits powder. Journal of Food Engineering 2013;119:668-679.

[14] Samman N, Maldonado S, Alfaro ME, Farfan N, and Gutierrez J. Composition of different bean varieties (Phaseolus vulgaris) of northwestern Argentina (region NOA): cultivation zone influence. Journal of Agriculture Food Chemistry 1999;47:2685-2689.

[15] Al-Harrasi A, Rehman N, Hussain J, Khan AL, Al-Rawahi A, Gilani SA, Al-Broumi M, and Ali L. Nutritional assessment and antioxidant analysis of 22 date palm (Phoenix dactylifera) varieties growing in Sultanate of Oman. Asian Pacific Journal of Tropical Biomedicine 2014;4:850-857.

[16] AOAC. Official methods of analysis. 15th ed. Washington D.C: Association of Official Analytical Chemists; 1990.

[17] Hussain J, Rehman N, Khan AL, Hamayun M, Hussain SM, and Shinwari ZK. Proximate and essential nutrients evaluation of selected vegetables species from Kohat region, Pakistan. Pakistan Journal of Botany 2010;42:2847-2855.

[18] El-Shurafa MY, Ahmed HS, Abou-Naji SE. Organic and inorganic constituent of dates palm pit (seeds). Journal Date Palm 1982;2:275–284.

[19] Hussain J, Rehman NU, Khan AL, Hussain H, Harrasi AA, Ali L. Determination of macro and micronutrients and nutritional prospects of six vegetable species of Mardan, Pakistan. Pakistan Journal of Botany 2011;43:2829-2833.


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