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Bio-fortification and shelf-life extension of idli batter using curry leaves (Murraya koenigii)

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Abstract

Among several traditional foods of India, idli is one of the most popular and commonly consumed steamed products. A new method of adding Murraya koenigii (curry leaves) to idli batter as a vehicle for fortification and extension of shelf-life has been developed. Dried curry leaves powder was incorporated with other ingredients like rice and dehusked black gram in different proportions to optimize the most palatable formulation. Rate of fermentation and microbial changes in the batter; nutritional qualities, texture and sensory properties of the prepared product were assessed. Incorporation of curry leaves powder (5 %) in idli batter increased the shelf-life and also increased the flavour, texture and appearance of the idli. The calcium content of the prepared idli was 10 times more than that of the control idli, while dietary fiber content increased by 18.6 %. Anti-microbial activity of the curry leaves in idli batter extended the shelf-life from 2 to 5 days when stored at 30 °C.

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Correspondence to U. Antony.

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Chelliah, R., Ramakrishnan, S.R., Premkumar, D. et al. Bio-fortification and shelf-life extension of idli batter using curry leaves (Murraya koenigii). J Food Sci Technol 53, 2851–2862 (2016). https://doi.org/10.1007/s13197-016-2264-2

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  • DOI: https://doi.org/10.1007/s13197-016-2264-2

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