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Nutritional potential, bioaccessibility of minerals and antioxidant properties of niger (Guizotia abyssinicacass.) seed protein

IR@CFTRI: CSIR-Central Food Technological Research Institute, Mysore


Field	Value

Relation	http://ir.cftri.com/10793/

Title	Nutritional potential, bioaccessibility of minerals and antioxidant properties of niger (Guizotia abyssinicacass.) seed protein

Creator	Prachi, Thatte Jyothi Lakshmi, A.

Subject	01 Oilseeds 32 Antioxidants

Description	The investigation aimed at preparing protein isolate from niger seeds and determining its nutritional profile, functional properties and antioxidant potential. Niger seeds with 25.5% protein, 30% fat and 21.8% fibre were used for preparation of dehulled, defatted niger seed flour (DNF) and protein isolate (NPI). Protein content of DNF was 53.8% and NPI was 85.7%. Minerals, crude fiber and carbohydrate content reduced from DNF to NPI. In vitro protein digestibility, iron and zinc dialysability increased significantly from DNF to NPI with a corresponding decrease in fibre, tannin and phytate. Water and fat absorption capacity (FAC) was higher in DNF and foaming and emulsification index was better in NPI. Polyphenol content of NPI was higher than DNP. NPI exhibited significantly higher free radical scavenging ability and metal chelating ability, hydroxyl radical scavenging activity was comparable to DNP. Studies on organo-leptic evaluation and utilisation of NPI as a protein source in food formulations are warranted.

Date	2012

Type	Article PeerReviewed

Format	application/pdf

Language	en

Rights	—

Identifier	http://ir.cftri.com/10793/1/International%20Journal%20of%20Food%20Science%20and%20Technology%202012%2C%2047%2C%20656%E2%80%93663.pdf Prachi, Thatte and Jyothi Lakshmi, A. (2012) Nutritional potential, bioaccessibility of minerals and antioxidant properties of niger (Guizotia abyssinicacass.) seed protein. International Journal of Food Science and Technology, 47. pp. 656-663.