...Ce Yang; Yuguang Mu; Qi Zhang; Jianhua Yin Purpose To expand the range of available natural colorants, a novel colorant was developed from the fruit spikes of Rhus typhina L. The extraction method was optimized, and the colorant’s stability under varying acid-base conditions, light...

...Xuemei Wang; Jixiang He; Yue Ma; Hao Wang; Dehong Ma; Dongdong Zhang; Hudie Zhao Purpose The purpose of this study is to evaluate the tannase-assisted extraction of tea stem pigment from waste tea stem, after which the stability of the purified pigment was determined and analyzed. Design...

.../approach The chemical structures of the composite pigments were characterized by X-ray diffraction spectroscopy and Fourier transform infrared spectroscopy. Photostability and thermal stability were assessed using ultraviolet-visible spectroscopy and colorimetry. The coverage of the dyes was determined...

... natural pigments has made researchers to explore several techniques for their stabilization and application in different food products. Design/methodology/approach In this review, four major natural pigments with potential health benefits have been studied. Betalins, carotenoids, anthocyanins...

...@birjand.ac.ir 20 09 2019 19 10 2019 27 10 2019 © Emerald Publishing Limited 2020 Emerald Publishing Limited Licensed re-use rights only Anthocyanin Blue colour Stability Dyeing temperature pH The importance of color had been recognized, as ancient times...

... – The dispersants 2-naphthalenesulphonic acid (NNO), naphthalene-sulphonic acid (MF) and benzyl naphthalene sulphonate formaldehyde condensate (CNF) were used to disperse the yellow dye. The particle size of the paste was characterised by particle size analyser. The paste centrifugal stability, diffusion properties...

... processes of solutions connected with a chemical reaction affecting the chemical stability of material. The chemical resistance of epoxy resins is affected by the molecular weight and type of epoxy resin, the polyamine functionality, the polyamine concentration, and the kind of plasticizer. The measurements...

... © MCB UP Limited 2000 --> Fullbrook Systems Stability Measurement Emulsions The Turbiscan MA 2000 Keywords: Fullbrook Systems, Stability, Measurement, Emulsions The Turbiscan MA 2000, also from Fullbrook, is thought to be a completely new concept in monitoring...