Which organic solvent is best for phytochemical extraction of plant leaf material??

More Ankita Kulshreshtha's questions See All

Which microtomy technique do you suggest for thin and delicate root sectioning ?And, how to preserve and process the roots before sectioning?

We have thin roots of from 1 year old different species of plants. We are looking into anatomical details of the roots. What's the best method to preserve and process the roots once they are...

23 February 2021 1,898 1 View

Which root in this tap root system, in the picture attached, should be used for root sectioning in order to study the root anatomical details?

There are numerous roots in this tap root system. Kindly suggest or share a research paper where I can clarify the doubts as to which root should be chosen for sectioning and for further root...

14 February 2021 1,816 3 View

How can we polymerize carbon to form a layer? Any easy method is there?

I want to polymerize the carbon to make a thin sheet. Is there any easy method to polymerize it?

10 December 2020 1,762 4 View

Hi, i am working on PARP inhibitors poorly water soluble but soluble in toxic solvents acetonitrile / DMSO, please suggest nontoxic solvents ?

Drug is poorly water soluble and soluble in solvents like acetonitile , DMSO, mixture of methanol and water but they are toxic. kindly suggest any safe solvent.

18 September 2020 5,128 4 View

How do I conclude if my gene has low expression based on the results obtained?

Hello all, I am working on genes affected in cholesterol metabolism in patients with Coronary Artery Disease and PCSK9 is one such target gene in my study. I have managed to obtain stable results...

13 June 2020 7,074 9 View

What is the institute/organization that provides training for hydroponics development ?

I also want to know the organization working on development of nutrient solution for hydroponics and the organization providing training on it.

02 June 2020 8,901 4 View

What method can I use to analyse the language on Social media?

I'm doing a comparative study on social media language used by native and non-native speakers with special reference to Instagram. I am planning on using Discourse analysis. What is your take on...

18 April 2020 300 25 View

In biosorption process (Lantana camara leaves as biosorbent), why do we get a precipitate after putting the filtrate on hot plate for agitation?

Usually, we get a clear filtrate after performing batch experiments; same is with Lantana indica leaves as biosorbent. But, after filtration we observe dark precipitation in this case. Is it due...

03 April 2020 9,406 1 View

Procuring AZ81 alloy ?

Dear Ma'am, I am interested in working with Mg-alloy since it is highly flammable, I am not able to procure the material nor create the composition of AZ series in the foundry. kindly help me...

12 January 2020 2,365 3 View

Can I transfect the ATDC5 cells with my gene of interest at 60% confluency and then allow the cells to undergo chondrogenesis?

I am interested in studying the role of a certain gene in the expression of Collagen type II and chondrogenesis per se in ATDC5 cells. But as per the papers for proper chondrogenesis to happen it...

25 August 2019 4,652 2 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 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

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

Jürgen Wintner

Article Phytochemicals: Extraction, Isolation, and Identification of...

the choice of solvent is influenced by what is intended with the extract

Abdelkader BOUAZIZ

Dear all, dichloromethane (DCM) is used, but for sure it is not suited for all situations and purposes. My Regards

Francisca L. Aranda

In general, methanol 95% to ~4°C but this depend of the compounds.

Check out the book.

Best regards,

Doufnoune RACHIDA Rachida

Hi;

Instead, I propose you a new extraction technology: microwave assisted, solvent-free, based on the combined use of pressure, temperature and microwave irradiation.

With my best regards