کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
149811 456438 2012 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Enzymatic depolymerization of sugar beet pulp: Production and characterization of pectin and pectic-oligosaccharides as a potential source for functional carbohydrates
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Enzymatic depolymerization of sugar beet pulp: Production and characterization of pectin and pectic-oligosaccharides as a potential source for functional carbohydrates
چکیده انگلیسی

In order to obtain solids extracts rich in hemicellulose from sugar beet pulp (SBP), an enzymatic depolymerization process with pectinolytic enzymes was evaluated. Both enzymatic preparations (Rohapect DA6L and Macer8 FJ) contributed to achieve rich fractions of hemicellulose; however Rohapect DA6L always showed a higher release of pectic oligosaccharides (pectin removal yield of 94.9%). The characterization of the obtained solid residue resulted in 30.6% hemicellulose, 25.95% cellulose, 12.1% lignin, 0.83% pectin and 4.86% protein. The total carbohydrates and reduced sugars in the hydrolysate were 143.5 and 5.24 g/L, respectively. The extracted pectin infrared spectrum revealed that it corresponds to low methoxyl pectin, confirmed by titrimetric method (DM: 56%). It can be stated that enzymatic treatment (with commercial pectinases) of SBP can be used in the recovery of valuable by-products, such as pectin oligosaccharides and solid fractions rich in hemicellulose.


► Utilization of sugar beet pulp as a precursor for hemicellulose rich extracts.
► Enzymatic degradation allows the fragmentation of sugar beet pulp.
► It was possible to obtain potential biologic active pectin rich extracts.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Engineering Journal - Volume 192, 1 June 2012, Pages 29–36
نویسندگان
, ,