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RISS 인기검색어
- 검색키워드
- 저자 : Gautam Swapnil Prashant (검색결과 1 건)
- 무료
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Gautam Swapnil Prashant,Chakraborty Sourav,Narjary Aparna,Deka Jolly,Hazarika Manuj Kumar 한국농업기계학회 2021 바이오시스템공학 Vol.46 No.3
Purpose The objective of the investigation was to develop turmeric powder with improved quality using an instant decompression-assisted steam curing (IDASC) process. Method The IDASC treatment was administered on peeled turmeric slices in the ICPD treatment chamber, which was further followed by hot air drying of the treated slices (IDASC-HAD). The process conditions, namely, treatment pressure (TP), treatment time (TT) and temperature of drying (TD) were optimized for the minimization of hot air drying time (DT) and maximization of the yellowness value (YV) and curcumin content (CC) of the turmeric powder, by the application of an approach which combines the benefits of particle swarm optimization (PSO) with the response surface methodology (RSM). Microstructure of the IDASC-HAD-treated turmeric slices were observed based on scanning electron microscopy (SEM) image. Turmeric powder obtained by the IDASC-HAD approach was compared with the conventional product for various functional properties. Results The best quality turmeric powder with DT of 325 min and YVand CC of 60 and 5.05%, respectively, was obtained under the optimum process conditions of the IDASC-HAD process, namely, TP of 3 atm, TT of 50 s and TD of 57 °C. The IDASCHAD- based turmeric powder samples exhibited higher values of 2,2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH), total phenolic content (TPC) and total flavonoid content (TFC) as compared to the conventionally produced ones. The improvements in the particle size and micro-structural characteristics were justified from the results of SEM. Conclusion Turmeric powder produced by the IDASC-HAD method as applied to turmeric slices can be asserted as a product with improved antioxidant properties, which may have application in development of beverages with potential health benefits.
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