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:: Volume 29, Issue 2 (6-2020) ::
isfj 2020, 29(2): 53-63 Back to browse issues page
Comparative comparison of physicochemical properties of gelatin extracted from lanternfish (Benthosema pterotum, Alcock 1890) and Bovine Gelatin
Fahimeh Asgarzadeh1 , MMaryam AAtaee1 , Nasrin Choobkar * 2
1- Department of Food Science and Technology, Science and Research Tehran branch, Islamic Azad University, Tehran, Iran
2- islamic azad university
Abstract:   (2117 Views)
In this study, for the first time, lanternfish gelatin (Benthosema pterotum Alcock, 1890) was extracted and the composition (moisture, ash, protein), gel strength, gelling and melting temperature of extracted gelatin was investigated and compared with those of the commercial bovine gelatin purchased from market. The two gelatin samples were also compared in terms of color properties. Moisture and ash content of lantern fish gelatin were significantly higher than commercial gelatin. The result of measurement indicates that moisture and ash content of lantern fish gel were 8.2±0.1% and 3.2±0.1%, respectively. Protein content of the bovine gelatin (91.71±0.1 %) was significantly higher than lantern fish gelatin (86.3±0.1 %) (p<0.05). The gelling temperature and gelling time of the lantern fish gelatin (135 sec±2.0, 23±0.5°C), due to its low hydroxyproline content, was significantly lower than bovine gelatin (150 Sec±1.0, 26±0.5°C) which is due to fish gelatin nature. A significant difference between the gel strength of lantern fish (45±1.00 gr) and bovine gelatin (240±1.2 gr) was observed (p<0.05) and also bovine gelatin had better quality in terms of color factors than the gelatin extracted from lantern fish. Overall, lantern fish gelatin can be used in many biotechnological industries, as an economical and halal gelatin source, instead of pig and bovine gelatin.
 
Keywords: Gelatin, Benthosema pterotum, Physicochemical properties, Gel strength, By products
Full-Text [PDF 590 kb]   (619 Downloads)    
Type of Study: Research | Subject: بيوتكنولوژي و فرآوري هاي شيلاتي
Received: 2019/08/17 | Accepted: 2020/03/3 | Published: 2020/06/30
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Asgarzadeh F, aAtaee M, Choobkar N. Comparative comparison of physicochemical properties of gelatin extracted from lanternfish (Benthosema pterotum, Alcock 1890) and Bovine Gelatin. isfj 2020; 29 (2) :53-63
URL: http://isfj.ir/article-1-2276-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 29, Issue 2 (6-2020) Back to browse issues page

با کسب مجوز از دفتر کمیسیون بررسی نشریات علمی وزارت علوم، تحقیات و فنآوری مجله علمی شیلات بصورت آنلاین می باشد و تعداد محدودی هم به چاپ می رساند. شماره شاپای جدید آن ISSN:2322-5998 است

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