Changes in the Physico-Chemical Properties of Palm Date Using Different Drying Methods
| المصدر: | المجلة الجامعة |
|---|---|
| الناشر: | جامعة الزاوية - مركز البحوث والدراسات العليا |
| المؤلف الرئيسي: | Mechlouch, Ridha Fethi (Author) |
| مؤلفين آخرين: | Ayadi, Ahlem (Co-Author) , Thabet, Gouta (Co-Author) , Elakesh, Esmail. O. (Co-Author) , Hannachi, Hédia (Co-Author) |
| المجلد/العدد: | مج17, ع1 |
| محكمة: | نعم |
| الدولة: |
ليبيا |
| التاريخ الميلادي: |
2015
|
| الشهر: | مارس |
| الصفحات: | 59 - 78 |
| رقم MD: | 1263303 |
| نوع المحتوى: | بحوث ومقالات |
| اللغة: | الإنجليزية |
| قواعد المعلومات: | EduSearch, EcoLink, IslamicInfo, AraBase, HumanIndex |
| مواضيع: | |
| كلمات المؤلف المفتاحية: |
Drying Methods | Palm Date | Antioxidant | Physicochemical Proprieties
|
| رابط المحتوى: |
الناشر لهذه المادة لم يسمح بإتاحتها. |
| LEADER | 02665nam a22003137a 4500 | ||
|---|---|---|---|
| 001 | 2015743 | ||
| 041 | |a eng | ||
| 044 | |b ليبيا | ||
| 100 | |9 673296 |a Mechlouch, Ridha Fethi |e Author | ||
| 245 | |a Changes in the Physico-Chemical Properties of Palm Date Using Different Drying Methods | ||
| 260 | |b جامعة الزاوية - مركز البحوث والدراسات العليا |c 2015 |g مارس | ||
| 300 | |a 59 - 78 | ||
| 336 | |a بحوث ومقالات |b Article | ||
| 520 | |b This study was aimed to compar the physico chemical proprieties and antioxidant activity of dried palm date of ‘Alligh’ cultivar. Three drying methods were used, the conventional open air sun drying (OASD), direct solar dryer (DSD) and microwave drying (MW) at different output powers density and temperature: 1W/g (90°C, 80°C), 2W/g (70°C, 75°C), 3W/g (62°C, 100°C). A significant reduction (p < 0.05) in titratable acidity as citric acid and an increase in pH after drying of palm date were observed. The pH values were more affected by microwave drying 3w/g compared to OASD and DSD methods. Significant differences were observed in fructose and glucose content according to the drying methods; however, the effect of the different methods on Brix content was not significant. Microwave drying 3W/g at 62°C and 100°C increase significantly the polyphenols and flavoinoids contents, respectively 1463.00 and 1166.94 mg/100g compared to fresh date (77.37 mg/100g). The DBBH and ABTS assay showed significant difference of antioxidant activity for date extracts. The DPPH value increase in date dried at microwave and decreased using OASD and DSD drying methods. The ABTS values increased in all palm dried extracts and the highest value was observed using microwave drying. | ||
| 653 | |a تجفيف التمور |a تمور النخيل |a الخصائص الفيزيائية للتمور | ||
| 692 | |b Drying Methods |b Palm Date |b Antioxidant |b Physicochemical Proprieties | ||
| 700 | |9 673297 |a Ayadi, Ahlem |e Co-Author | ||
| 700 | |9 673301 |a Thabet, Gouta |e Co-Author | ||
| 700 | |9 672926 |a Elakesh, Esmail. O. |e Co-Author | ||
| 700 | |9 673324 |a Hannachi, Hédia |e Co-Author | ||
| 773 | |4 العلوم الإنسانية ، متعددة التخصصات |4 العلوم الاجتماعية ، متعددة التخصصات |6 Humanities, Multidisciplinary |6 Social Sciences, Interdisciplinary |c 018 |e University Bulletin |l 001 |m مج17, ع1 |o 0928 |s المجلة الجامعة |v 017 | ||
| 856 | |u 0928-017-001-018.pdf | ||
| 930 | |d n |p y |q n | ||
| 995 | |a EduSearch | ||
| 995 | |a EcoLink | ||
| 995 | |a IslamicInfo | ||
| 995 | |a AraBase | ||
| 995 | |a HumanIndex | ||
| 999 | |c 1263303 |d 1263303 | ||
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