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Characterization and bake stability of dry fruit fillings in dehydrated chiku (Manilkara zapota L. P. Royen) incorporated biscuits.

Aditi, Mahapatra and Shashirekha, M. N. and Sudha, M. L. (2017) Characterization and bake stability of dry fruit fillings in dehydrated chiku (Manilkara zapota L. P. Royen) incorporated biscuits. Journal of Texture Studies, 48. pp. 231-240. ISSN 0022-4901

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Abstract

Expanding the range of bakery products in terms of producing supplemented or dietetic products has been an increasingly important trend in contemporary baking. Value added products, especially products rich in fiber and phytochemicals are getting popular. Among the dry fruits used for filling, Figs were rich in ash and protein and Dates were rich in dietary fiber. Gallic acid was the dominant free phenolic acid in Fig whereas chlorogenic acid and procatechuic acid were dominant in Dates in the bound form. Farinograph water absorption, dough development time, maximum pressure (P), and extensibility (L) decreased on increase in the replacement of wheat flour with chiku powder from 0 to 30%. The dry fruit fillings in the pH range of 3.3–3.5 with 75–808Bx showed better bake stability with respect to spreadability and breaking strength. Biscuits topped with higher 8Bx fillings had higher breaking strength values even during storage. Among the gelling agents used, addition of sodium alginate stabilized and further improved the bake stability of the fillings. The chiku incorporated biscuits sandwiched with fruit filling were rich in dietary fiber. Also significant amounts of gallic acid and chlorogenic acid in free and bound form were present in the biscuit. Practical applications Bakery products can act as a vehicle for supplementation of vitamins, minerals, protein, dietary fiber, and so on, to prevent nutritive deficiencies. Among the bakery products, biscuits are shelf stable and have better consumer acceptability by all age groups. To incorporate fruits which are rich in many bioactive principles, and to add on to variety, fruit sandwiched biscuits with fruit powder in the casing too. Fillings mainly from dry fruits were prepared at varying degree brix and with different gelling agents. Biscuit sheets containing chiku powder in the formulation was topped with the fillings and looked for the bake stability with respect to texture and spreadability. Addition of fruit powder in the shells and fruit filling in between helped to increase the nutritional characteristics of the product.

Item Type: Article
Uncontrolled Keywords: bake stability, dry fruit fillings, gelling agents, phenolics, rheological characteristics
Subjects: 600 Technology > 08 Food technology > 24 Fruits
600 Technology > 08 Food technology > 26 Bakery products
Divisions: Flour Milling Bakery and Confectionary Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 22 Nov 2017 04:42
Last Modified: 22 Nov 2017 04:42
URI: http://ir.cftri.com/id/eprint/13156

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