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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(6): 195-206
DOI: https://doi.org/10.20546/ijcmas.2019.806.024


Bioactivity Analysis and Citral Content Estimation of Value Added Paneer Incorporated with Lemongrass Extract and Lemongrass Oil
Krupa Joseph1*, K. Jayaraj Rao1 and M. Vasundhara2
D.T. Section, NDRI (SRS), Adugodi, Bengaluru – 560 030, India Department of Horticulture, UAS (B), GKVK, Bengaluru-560065, India
*Corresponding author
Abstract:

Effect of lemongrass extract and oil on the bioactivity (antioxidant and antimicrobial property) and citral content of paneer was evaluated in this study. Lemongrass was incorporated in the following three ways: i) cut and crushed leaves were added to milk @ 0, 2, 4 and 6% (w/v) or to coagulant solution @ 20% (w/v) and extracted by heat treatment; ii) cut leaves were heat extracted in potable water followed by heat concentration, and chilling. The chilled water was used for soaking paneer blocks; iii) Lemongrass oil added to milk at 0, 0.015, 0.02 and 0.025% levels. The studies on anti-oxidant characteristics as evaluated by DPPH and FC assays revealed that, RSA activity was the highest for paneer added with lemongrass oil (8.77% inhibition) and the total phenolic compounds were found to be the maximum (0.0056 mg/g GAE) for paneer incorporated with crushed lemongrass leaf. The antibacterial studies of paneer samples revealed that the incorporation of lemongrass extract as well as oil did not impart any antibacterial effect. Paneer sample with the addition of lemongrass leaf-bits (4% w/v) into milk, was selected as the optimized sample based on organoleptic tests. In the gas chromatographic analysis, both isomers of citral, neral and geranial, were eluted out. It is concluded from the study, that lemongrass has fortified paneer with bioactive properties than control paneer and is a quite promising herb for the development of value added dairy products.


Keywords: Paneer, Lemongrass, Anti-oxidant, Bioactivity, Citral, Lemongrass oil
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How to cite this article:

Krupa Joseph, K. Jayaraj Rao and Vasundhara, M. 2019. Bioactivity Analysis and Citral Content Estimation of Value Added Paneer Incorporated with Lemongrass Extract and Lemongrass Oil.Int.J.Curr.Microbiol.App.Sci. 8(6): 195-206. doi: https://doi.org/10.20546/ijcmas.2019.806.024