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Mortazavi, Seyed Mohammad Hassan, Azizollahi, Fatemeh, Moallemi, Noorallah. (1394). Some Quality Attributes and Biochemical Properties of Nine Iranian Date (Phoenix dactylifera L.) Cultivars at Different Stages of Fruit Development. , 2(2), 161-171. doi: 10.22059/ijhst.2015.56433
Seyed Mohammad Hassan Mortazavi; Fatemeh Azizollahi; Noorallah Moallemi. "Some Quality Attributes and Biochemical Properties of Nine Iranian Date (Phoenix dactylifera L.) Cultivars at Different Stages of Fruit Development". , 2, 2, 1394, 161-171. doi: 10.22059/ijhst.2015.56433
Mortazavi, Seyed Mohammad Hassan, Azizollahi, Fatemeh, Moallemi, Noorallah. (1394). 'Some Quality Attributes and Biochemical Properties of Nine Iranian Date (Phoenix dactylifera L.) Cultivars at Different Stages of Fruit Development', , 2(2), pp. 161-171. doi: 10.22059/ijhst.2015.56433
Mortazavi, Seyed Mohammad Hassan, Azizollahi, Fatemeh, Moallemi, Noorallah. Some Quality Attributes and Biochemical Properties of Nine Iranian Date (Phoenix dactylifera L.) Cultivars at Different Stages of Fruit Development. , 1394; 2(2): 161-171. doi: 10.22059/ijhst.2015.56433

Some Quality Attributes and Biochemical Properties of Nine Iranian Date (Phoenix dactylifera L.) Cultivars at Different Stages of Fruit Development

International Journal of Horticultural Science and Technology
مقاله 5، دوره 2، شماره 2، اسفند 2015، صفحه 161-171    اصل مقاله (556.51 K)
نوع مقاله: Research paper
شناسه دیجیتال (DOI): 10.22059/ijhst.2015.56433
نویسندگان
Seyed Mohammad Hassan Mortazavi* ؛ Fatemeh Azizollahi؛ Noorallah Moallemi
Department of Horticultural Sciences, College of Agriculture, Shahid Chamran University of Ahvaz, Iran
چکیده
The fruit of date palm (Phoenix dactylifera L.) is an important horticultural product in the Middle East and North Africa. Among more than 400 reported date palm cultivars in Iran, around 20 cultivars are more important due to having better eating quality and trading values. In this study, the fruit of nine commercially important date cultivars including ‘Barhee’, ‘Breim’, ‘Deiri’, ‘Fersi’, ‘Gantar’, ‘Khadravi’, ‘Sayer’, ‘Shakar’ and ‘Zahidi’ were evaluated for certain quality and biochemical properties during the last three stages of ripening (i.e., Khalal, Rutab and Tamar). The results showed that the highest levels of total soluble solids (TSS) and titratable acidity were recorded at Tamar stage for all studied cultivars. Maximum TSS was recorded for ‘Deiri’ (77 %) and ‘Zahidi’ (75.3%) which are considered as dry dates. By a similar pattern, the mean amount of soluble proteins, flesh darkening and peroxidase activity (POX) increased to 5587 μg g-1, 0.76 A410 and 5220 Ug-1 tissue, respectively. Fruit at Khalal stage showed an incredible amount of phenolic compounds and antioxidant capacity, but these parameters of nutritional value reduced to their lowest level in almost all studied cultivars at Tamar stage. Flesh darkening as an index of appearance quality increased greatly by turning Rutab into Tamar for almost all cultivars.
کلیدواژه‌ها
Date palm؛ Nutritional value؛ Fruit development؛ Iranian dates
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