Celery (Apium graveolens var. rapaceum D. C.) is rich source of biologically active substances, widely used worldwide in human nutrition. In the current research, pectic polysaccharide has been isolated from celery tubers by ultrasound-assisted extraction with an aqueous ammonium oxalate. The obtained pectin has been characterized as highly methoxylated (HM) with degree of esterification (DE) 75 % and anhydrouronic acid content (AUАC) 57 %, respectively. Furthermore, the rheological properties of this pectic polysaccharide have been investigated. The effect of pectin concentration – 0.4; 0.6; 0.8 and 1 % and oil phase 30, 40 and 50 % on dispersibility and stability of the resulting emulsions have been evaluated. It has been found that isolated pectic polysaccharide from celery tubers influence significantly on the rheological behavior of the emulsion and they characterized as non-Newtonians fluids. Because of the impressive emulsion stabilization properties of celery pectin as dietary fiber, we recommend its application for preparation of food emulsion with improved nutritional value and health benefits
Pectic polysaccharides celery tubers ultrasonic extraction emulsions rheology
Birincil Dil | Türkçe |
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Bölüm | Araştırma Makaleleri |
Yazarlar | |
Yayımlanma Tarihi | 1 Mart 2014 |
Gönderilme Tarihi | 26 Ocak 2015 |
Yayımlandığı Sayı | Yıl 2014 Cilt: 1 Sayı: Özel Sayı-2 |