Download e-book for kindle: Application of Bacterial Pigments as Colorant: The Malaysian by Wan Azlina Ahmad, Wan Yunus Wan Ahmad, Zainul Akmar Zakaria,
By Wan Azlina Ahmad, Wan Yunus Wan Ahmad, Zainul Akmar Zakaria, Nur Zulaikha Yusof
Environmental matters relating to non-stop use of artificial dyes observed a revival within the call for for ordinary dyes as usual dyes show higher biodegradability and customarily have a better compatibility with the surroundings. even if, one of many barriers at the use of traditional dyes or pigments is the low extraction yield elements (a few grams of pigment according to kg of dried uncooked material). accordingly, the exploitation of different organic resources similar to fungi, micro organism and mobile cultures deals fascinating substitute. Microbial pigments resembling from bacterial origins supply the virtue when it comes to construction in comparison to pigments extracted from greens or animals, because of its easy telephone and quickly culturing process. This publication deals fascinating perception into preliminary works conducted to illustrate the capability use of bacterial pigment as colorant for varied applications.
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Extra info for Application of Bacterial Pigments as Colorant: The Malaysian Perspective
1 Growth profile of C. violaceum in NB distilled water in a 1 L volumetric flask. 45 lm Whatman filter paper. Growth Profile of C. violaceum: A 12 h-grown culture of bacteria (20 mL) was inoculated into a 2 L Erlenmeyer flask containing 180 mL of NB followed by incubation at 200 rpm, 30 8C for 24 h. Culture turbidity (OD600) was measured at regular intervals using a spectrophotometer (Genesys 20, ThermoSpectronic). Pigment production by C. violaceum was also recorded. Similar experimental setup as above minus the bacterial cells acted as a control.
Violaceum) and red pigment as Serratia marcescens (S. marcescens). C. violaceum, a Gram-negative bacteria belonging to the Rhizobiaceae family, is a saprophyte found in soil and water in tropical and subtropical areas. In most cases, it is a minor component of the total microflora (Balows et al. 1992). Its colonies are slightly convex, not gelatinous, regular and violets, although irregular variants and non-pigmented colonies can also be found (Sneath 1994). C. violaceum has been reported to produce a violet pigment called violacein.
Biosci Biotech Bioch 58:1842–1844 Yuang L, Liyan W, Yuan X, Chong Z, Xin-Hui X, Kai L, Zhidong Z, Yong L, Guifeng Z, Jingxiu B, Zhiguo S (2008) Production of violet pigment by a newly isolated psychrotrophic bacterium from a glacier in Xinijiang, China. Biochem Eng J. 43:135–141 Yusof, NZ (2008) Isolation and applications of red pigment from Serratia marcescens. Universiti Teknologi Malaysia: BSc thesis. Zhang H, Zhan J, Su K, Zhang Y (2006) A kind of potential food additive produced by Streptomyces coelicolor: Characteristics of blue pigment and identification of a novel compound, k-actinorhodin.
Application of Bacterial Pigments as Colorant: The Malaysian Perspective by Wan Azlina Ahmad, Wan Yunus Wan Ahmad, Zainul Akmar Zakaria, Nur Zulaikha Yusof