EXTRACTION OF ANTHOCYANNIN FROM MUMBERY FRUITS: PROCESS OPTIMIZATION USING RESPONSE SURFACE METHODOLOGY (RSM)

... an effort to develop an effective extraction method for bioflocculants from the microbial cell surface Materials and Methods Activated sludge samples Activated sludge samples were collected from ... was the most effective extraction method for activated sludge However, cell disruption is not effective for the isolation of bioflocculants Thus, NaOH extr...

Ngày tải lên: 05/09/2013, 09:08

... anthocyanin and phenolic concentrations during anthocyanin extraction from purple- fleshed ISPs In addition, the effect of initial extraction conditions on the production of fermentable sugars from purple- fleshed ... Samples 3.1 Extraction of anthocyanins and subsequent hydrolysis of ISP residues The analysis of variance (ANOVA) for the main and interactio...

Ngày tải lên: 05/05/2014, 08:39

... different columns from low to high contents of curcumin The cyclic chromatographic extraction reduced extensively the volumes of the solvent and the final extraction solution with high extraction ... Natural Science Fund (10151063101000002) References Fig Column- chromatographic extraction of curcumin from turmeric A: Extraction of curcumin from turmeric...

Ngày tải lên: 01/07/2014, 13:23

... green tea (humility usually from to %) 3.1.3.Effect of radiation time on the extraction of polyphenols Polyphenols concentration in the extracts was rapidly increased in the first minutes of extraction ... Microwave-assisted extraction of tea polyphenols and tea caffeine from green tea leaves, Chemical engineering and processing 42, 129 – 133, 2003 [9] Carmen W H...

Ngày tải lên: 22/07/2014, 10:21

... silicon carbide whiskers from RH (Sujiroti & Leangsuwan, 2003) and of cellulose whiskers from rice straws (Orts et al., 2005) So, the fractionation of lignocellulosic materials of rice husks into ... 2009) and coconut husks (Rosa et al., 2010) As far as we know, the isolation of cellulose whiskers from rice husk sources has not been yet described in the literat...

Ngày tải lên: 08/10/2014, 06:05

... Liquid-liquid extraction LOD Limit of detection LOQ Limit of quantification muSPE Micro solid phase extraction using mixed matrix membrane μ-SPE Membrane bag micro solid phase extraction MPME Membrane protected ... Membrane- assisted micro- solid phase extraction (μ-SPE) is a recently introduced sample preparation technique that integrates microextraction...

Ngày tải lên: 10/09/2015, 09:12

... challenges of scene text and video text are listed in Table 2.1 While the majority of the challenges are common to both scene text and video text, some of them are applicable to only one type of text ... text extraction in images and videos We formally define the problem and the scope of study in the next section 1.1 Problem Description and Scope of Stud...

Ngày tải lên: 12/09/2015, 11:24

... disease Currently, there are three methods for detecting glaucoma: assessment of abnormal visual field, assessment of intraocular pressure (IOP) and assessment of optic nerve damage Visual field testing ... An example of color fundus image 2.1 Histogram of a bimodal image 2.2 Gradient vector flow [22] Left: deformation of snake with GVF forces Middle: GVF external forc...

Ngày tải lên: 05/10/2015, 22:32

... removal of arsenic from synthetic groundwater using sequential combination of LA and AC-Fe as adsorbents The effect of LA/AC-Fe ratio, flow rate, initial arsenic concentration and pH to the breakthrough ... (70%AsIII&30%AsV) CONCLUSION The removal of arsenic from synthetic groundwater by adsorption using LA and AC-Fe was investigated in this...

Ngày tải lên: 05/09/2013, 09:38

... adsorbent - iron-modified rice husk carbon (RH-Fe)which was prepared from an available, cheap source of carbon (rice husk carbon) and the most effective agent (iron) for the removal of both As[III] ... very few studies on iron-modified rice husk carbon as adsorbent for the removal of arsenic from drinking water, although there are many research papers on...

Ngày tải lên: 05/09/2013, 09:38

... Recombinant bromelain production in Escherichia coli: Process optimization in shake flask culture by Response Surface Methodology Bala Muntaria,b , Azura ... be inferred from Fig that the concentration of the inducer had a strong effect on the specific activity of recombinant bromelain An increase in recombinant bromelain production was seen by incr...

Ngày tải lên: 21/06/2014, 17:20

... cytometry for cell surface expression of CD4, CXCR4 and CCR5 (Figure 2) Potent downregulation of CD4 by Nef was shown to occur, with cell surface levels being only ≈5% of those seen with Δ -nef ... Integration competent virus downregulates cell surface CXCR4, CCR5 and CD4 expression in the presence of inhibitory concentrations of raltegravir Figure N...

Ngày tải lên: 12/08/2014, 23:23

... The development of Permanent Magnet Machines 1.1.2 Features of permanent magnet motors Permanent magnet synchronous motors iii 1.2.1 Structures and operating principles ... with the analysis and design of buried type Interior Permanent Magnet Synchronous Motors (IPMSM) The objective is to develop a design optimization procedure for this type of...

Ngày tải lên: 04/10/2015, 15:45