How do I separate crude saponin and crude flavonoid from a mixture?

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How to identify the phyto-constituent group on the basis of structure, can any one plz provide me some article or ebook to understand the structure

Please help me out to find the phyto-constituent group like flavonoid, alkaloid, saponin, terpenoids, phenolics and tanin based on chemical structure. Looking for related article and ebook for the...

08 September 2013 2,298 6 View

How to characterize the chemical constituent of active fraction of plant extract?

Seeking to understand the characterization of chemical constituents.

07 August 2013 6,897 3 View

What are the available animal arthritis models and how do they differ from each other?

I am looking for three different inflammatory arthritis models to screen plant extracts. However, CFA, SCW, peristane, m-BSA and CII arthritis models are available. Presently, am using CFA model,...

04 May 2013 9,856 4 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

How Relativistic effects is one reason for lanthanide contraction?

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01 March 2021 2,272 4 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

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28 February 2021 5,415 1 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Can anyone share his experience regards Smoothing in origin?

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26 February 2021 8,183 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

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muhammad naeem Qaisar

first perform TLC analysis, select the best separation system for your sample. and then use column chromatography for the isolation of pure compounds

Moses Andima

The following patent can be of help. Try to read and see if it can answer your problem.

https://www.google.com/patents/US4428876