Optimal operating conditions of spray dried noni fruit extract using K{green}-carrageenan as adjuvant

Krishnaiah, Duduku and Rosalam Sarbatly, and S., Ram Mohan Rao and Rajesh Nithyanandam R., (2009) Optimal operating conditions of spray dried noni fruit extract using K{green}-carrageenan as adjuvant. Journal of Applied Sciences, 9 (17). pp. 3062-3067. ISSN 1812-5654

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Official URL: http://dx.doi.org/10.3923/jas.2009.3062.3067

Abstract

A detailed study was conducted using lab scale spray dryer to produce micro particles using K{green}-carrageenan (1 wt.%) as the encapsulation or binding agent by different ratio, Mcore/Mwall (1:1, 1:2, 1:4 and 1:6) at different temperature (90, 100, 120 and 140°C). The concentrated noni extract and spray dried noni micro particles were analyzed for encapsulation yield, DPPH scavenging activity, total phenolic content and particle size analysis. From the results it was clear that percentage of DPPH scavenging activity and total phenolic content was slightly higher for 1:6 at 90°C than 1:2 at 90°C. However, 1:2 at 90°C was concluded as optimal operating conditions. By particle size analyzer it was found that at optimal operating spray drying condition, the mean diameter of the particle was varied from 2.53 to 2.27 μm, which is found to be less when compared to all the other ratios at different temperatures. © 2009 Asian Network for Scientific Information.

Item Type:Article
Uncontrolled Keywords:Antioxidant activity, Dried extract, Noni extracts, Spray chying
Subjects:?? SB354-402 ??
Divisions:SCHOOL > School of Engineering and Information Technology
ID Code:2622
Deposited By:IR Admin
Deposited On:30 Mar 2011 15:18
Last Modified:23 Feb 2015 12:02

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