By Wan Azlina Ahmad, Wan Yunus Wan Ahmad, Zainul Akmar Zakaria, Nur Zulaikha Yusof
Environmental issues relating to non-stop use of artificial dyes observed a revival within the call for for normal dyes as usual dyes express higher biodegradability and usually have a better compatibility with the surroundings. although, one of many obstacles at the use of usual dyes or pigments is the low extraction yield components (a few grams of pigment in line with kg of dried uncooked material). consequently, the exploitation of different organic assets similar to fungi, micro organism and mobilephone cultures bargains fascinating replacement. Microbial pigments similar to from bacterial origins provide the virtue when it comes to construction in comparison to pigments extracted from greens or animals, as a result of its basic mobilephone and quickly culturing procedure. This publication deals attention-grabbing perception into preliminary works conducted to illustrate the capability use of bacterial pigment as colorant for numerous applications.
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Extra resources for Application of Bacterial Pigments as Colorant: The Malaysian Perspective
1990). 4. 5. 49 cm-1. From the peaks, it was suggested that the main functional group for the red pigments are pyrrole, methylene, alkane and alkene. 4 Band assignments to the functional groups present in prodigiosin Band assignment Reference Wave number (cm-1) 2852 1714 1630 1604 1545 3500 2800 1500, 1565 Methylene – – – Pyrrole ring structure Amide groups Methylene Pyrrole ring structure Song et al. (2000) Rustom et al. 3590 mg L-1. 2734 mg L-1. The main functional groups observed were: saturated alkane, amine, methyl (primary), methyl (secondary), methyl (tertiary), esters, acetylenic, ethers, alcohols and vinylic.
Cereus and E. coli The mixture was then centrifuged at 6854 rpm, 0 °C for 10 min. 2 lm Whatman filter paper. 0 mL chloroform. The chloroform extract was reconcentrated using rotary evaporator until minimal volume was obtained. This minimal volume of chloroform extract was then transferred into a glass petri dish prior to drying in a vacuum dying oven. 9 cm outer diameter). The column content was first washed with hexane. The dried crude product was dissolved in 15 mL of 95% (v/v) methanol before passing through the column.
EU036987 Serratia nematophila strain ... EF415649 Serratia marcescens AB270613 Serratia marcescens strain: ... AY566180 Serratia marcescens isolate ... EF627046 Serratia marcescens strain c... DQ439976 Pseudomonas fluorescens stra... EF635244 Serratia sp. DM2 EF513612 Bacillus subtilis (outgroup) Fig. 3 The phylogenetic tree showed the interrelationship between the locally isolated S. 3 kPa for 15 min. Nutrient agar (NA) was prepared by dissolving 20 g of nutrient agar (MERCK, Germany) in 1 L of deionized water.
Application of Bacterial Pigments as Colorant: The Malaysian Perspective by Wan Azlina Ahmad, Wan Yunus Wan Ahmad, Zainul Akmar Zakaria, Nur Zulaikha Yusof