Color and Rehydration Characteristics of Natural Red Colorant of Foam Mat Dried Hibiscus sabdariffa L. Powder
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DOI: 10.1080/15538362.2019.1605557
Abstract: ABSTRACT This research was aimed to develop natural red colorant powder from Hibiscus sabdariffa L. fruit using foam mat drying. Egg albumen (EA) at different concentrations (5–20% w/w) was used as a foaming agent, and… read more here.
Keywords: red colorant; powder; foam mat; natural red ... See more keywords
Sensitive and Selective Detection of New Red Colorant Based on Surface-Enhanced Raman Spectroscopy Using Molecularly Imprinted Hydrogels
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DOI: 10.3390/app9132672
Abstract: A polyacrylamide-based molecularly imprinted hydrogel (MIH) doped with positively charged gold nanoparticles (Au NPs) has been synthesized via a free radical polymerization of acrylamide (AM) aqueous solution containing positively charged Au NPs as a Raman… read more here.
Keywords: red colorant; spectroscopy; detection new; new red ... See more keywords