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European Journal of Nutrition & Food Safety, ISSN: 2347-5641,Vol.: 9, Issue.: 1 (January-March)

Original-research-article

Development of Micronutrient Fortified Extruded Rice Analogues

 

R. Yogeshwari1*, G. Hemalatha1, C. Vanniarajan2, R. Saravanakumar3 and A. Kavithapushpam4

1Department of Food Science and Nutrition, Tamil Nadu Agricultural University, India.

2Department of Plant Breeding and Genetics, Tamil Nadu Agricultural University, India.

3Department of Apparel Designing and Fashion Technology, Tamil Nadu Agricultural University,  India.

4Department of Biotechnology, Tamil Nadu Agricultural University, India.

Article Information

Editor(s):

(1) Dr. Adetunji Charles Oluwaseun, Department of Biological Sciences, Applied Microbiology, Biotechnology and Nanotechnology, Landmark University, Nigeria.

Reviewers:

(1) M. N. Dabhi, Junagadh Agricultural University, India.
(2) Tahiya Qadri, Sher-e-Kashmir University of Agricultural Sciences and Technology, India.

(3) Muhammad Abdullah, Wheat Research Institute, Ayub Agricultural Research Institute, Pakistan.

Complete Peer review History: http://www.sciencedomain.org/review-history/27641

Abstracts

Fortified rice analogues can be manufactured using broken rice flour to suit the nutrient needs of target malnourished populations whose staple food is rice. The purpose of the study was to investigate the feasibility of fortifying rice analogues with iron and zinc. The fortificant mix was formulated to furnish 6.34 mg of iron and 2.10 mg of zinc per 100 g of broken rice flour. Iron fortificant used as micronised ferric pyrophosphate (MFPP) and zinc fortificant as zinc oxide (ZNO). Fortified extruded rice analogues were developed by extrusion technology. The physical properties of the fortified rice analogues were analysed. The length and weight of the fortified extruded rice analogues were 6.0 to 6.1mm and 0.034 to 0.035 g. The bulk density was ranged from 0.90 to 0.96 g/ml. The water absorption index was ranged from 2.31 to 2.33g/g and soluble loss was found to be 0.13 to 0.14 g/g. The physical properties of the rice analogues was found to be non significant (p<0.05) between the treatments (p<0.05). Colour measurement revealed that rice analogues fortified with MFPP had significant (p<0.05) colour differences, compared to analogues fortified with ZNO. However, MFPP, when combined with ZNO, had produced visual appearance closest to the unfortified rice analogue. The iron and zinc content of the unfortified broken rice flour (before extrusion) was 0.80 mg and 1.35 mg/100g. The iron and zinc content of the corresponding fortified rice analogues (after extrusion) were 7.13 mg and 3.35 mg/100g thus recording an iron and zinc retention of 99.85 and 99.70% respectively hence no significant difference (p<0.05) was found between fortified rice flour and fortified rice analogues. Sensory analysis revealed, no significant difference (p<0.05) for aroma, moistness, stickiness and texture, while the significant difference for appearance, firmness and overall acceptance. The study revealed that the rice analogues fortified with MFPP and ZNO could be used in food fortification programs and also could serve as a micronutrient enriched food to target malnourished populations whose staple food is rice.

Keywords :

Rice; analogues; extrusion; micronutrient; fortificant.

Full Article - PDF    Page 1-11

DOI : 10.9734/EJNFS/2019/44342

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