Studying physicochemical properties and molecular weight of ultrasound-assisted extracted Plantago major seed gum
Author(s):
Abstract:
Hydrocolloids are high-molecular weight biopolymers and they are applied in food formulations as thickening, gelling, emulsifier, stabilizer and fat replacer. Plantago major L. seed is sorted in Plantaginaceae family and have been used for a long time as wound-healing, immune-modulating and antioxidant purposes. Various physicochemical properties of Plantago major seed gum powder including water activity, bulk and tapped density, solubility and compressibility index and functional properties including total phenol content, total flavonoid content and DPPH scavenging activity were evaluated. The results of average molecular weight of Plantago major seed gum showed that molecular weight of this gum was lower than xanthan, balangu and acacia gum and higher than sage seed gum. Presence of glycoside bonds and carboxyl, methyl and hydroxyl groups were observed in FT-IR spectra of this gum and approved previous studies on Plantago major seed.
Keywords:
Language:
Persian
Published:
Food Science and Technology, Volume:15 Issue: 11, 2019
Pages:
163 to 173
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