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J Adv Res. 2017 May;8(3):235-244. doi: 10.1016/j.jare.2017.01.003. Epub 2017 Feb 2.

Extraction optimization of mucilage from Basil (Ocimum basilicum L.) seeds using response surface methodology.

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1
Department of Food Science & Technology, University of Kashmir, Srinagar 190006, India.

Abstract

Aqueous extraction of basil seed mucilage was optimized using response surface methodology. A Central Composite Rotatable Design (CCRD) for modeling of three independent variables: temperature (40-91 °C); extraction time (1.6-3.3 h) and water/seed ratio (18:1-77:1) was used to study the response for yield. Experimental values for extraction yield ranged from 7.86 to 20.5 g/100 g. Extraction yield was significantly (P < 0.05) affected by all the variables. Temperature and water/seed ratio were found to have pronounced effect while the extraction time was found to have minor possible effects. Graphical optimization determined the optimal conditions for the extraction of mucilage. The optimal condition predicted an extraction yield of 20.49 g/100 g at 56.7 °C, 1.6 h, and a water/seed ratio of 66.84:1. Optimal conditions were determined to obtain highest extraction yield. Results indicated that water/seed ratio was the most significant parameter, followed by temperature and time.

KEYWORDS:

Basil; Extraction; Mucilage; Optimization; Seed; Variables

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