Abstract
Drying kinetics of black turmeric (Curcuma caesia) with optimal controller assisted low cost solar dryer
Highlights
Curcuma caesia Roxb. (Black turmeric or black zedoary) is a perennial herb with bluish-black rhizome native to North-East and Central India (Devi et al, 2015; Lakshmi et al, 2018)
The drying data obtained in the experiments were converted to dimensionless moisture ratio (MR)
The results revealed that the optimized design and Proportional Integral (PI) controller gives the significant improvements of the moisture removal in the proposed solar dryer design
Summary
Curcuma caesia Roxb. (Black turmeric or black zedoary) is a perennial herb with bluish-black rhizome native to North-East and Central India (Devi et al, 2015; Lakshmi et al, 2018). (Black turmeric or black zedoary) is a perennial herb with bluish-black rhizome native to North-East and Central India (Devi et al, 2015; Lakshmi et al, 2018). It contains a very good percentage of curcumin which possesses many curative properties among all the Curcuma or turmeric species. Suitable preservation techniques should be developed to extend the shelf life of black turmeric
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