Plant Extracts

Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away,... | Contact experts in Plant Extracts to get answers

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Questions related to Plant Extracts

Did someone measure Heme from cell lysate?

HI: I am trying to measure the Heme synthesis from compound treated cells. I found a kit from Bioassay System (cat# DIHB250). However, it didn't say if cell lysate can also be used or not by this...

19 March 2021 3,861 0 View

Can i use diethylene glycol instead of ethylene glycol as coolant in rota evaporator?

I am doing extraction of plant samples. I use a rota evaporator to concentrate my samples. I am running out of ethylene glycol to use as a coolant. what are the other alternatives I can use?

12 March 2021 806 5 View

How can i extract secondery metabolites from actinomycetes? whish the solvent is the best in the extraction?

how can i extract secondery metabolites from actinomycetes? whish the solvent is the best in the extraction?

11 March 2021 3,541 3 View

Can we use plant leaves extract to prepare single crystals or can we use plant leaves extract used as a dopant to enhance NLO property?

Dear Crystal Grower, I am guiding the M.Sc students for their project work. there we are planning to use plant extract as a dopant for growing single crystals by a slow evaporation method. but...

04 March 2021 8,068 2 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

02 March 2021 8,049 3 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

01 March 2021 9,425 2 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

01 March 2021 9,851 2 View

Can I get information about research laboratories that are currently having in culture, internationally/locally standardised microorganisms?

Microorganisms of interest include; E.coli; Salmonella typhimurium; Pseudomonas aeroginosa; Streptoccocus pneumoniae; Staphyloccocus aureus and Candida albicans. Locations closer to Port...

19 February 2021 6,765 3 View

Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

18 February 2021 2,414 9 View

Any natural extract (that is easily available) or any drug combination triple which i can use against gram negative?

I'm working on gram negative i want to use any natural extract (plant extract) or triple drug combination against its biofilm formation.

15 February 2021 1,614 3 View

Can Total Phenolic content of plant extract be expressed as folin‐ciocalteu reducing capacity? any reference paper?

The Folin-Ciocalteu method is an electron transfer based assay, and gives reducing capacity, which is usually expressed as phenolic content. Can anyone share any reference paper where total...

14 February 2021 4,011 3 View

Can tannins that are dissolved in water interact with silicone oil?

Hello everyone, Does anybody know if phenolic plant extracts such as tannins dissolved in water can interact with silicone oil? (although silicone oil and water are immiscible).

04 February 2021 5,860 2 View

What is the minimum centrifugation RPM and minimum time for TiO2 nanoparticle synthesis from plant extract?

In my laboratory, I have an analog centrifuge (does not show real RPM value). Its' brochure indicates the range is 300-3000 RPM. The regulator is marked from 1 to 10. Is there any way to determine...

02 February 2021 2,224 4 View

Can I use the congo red agar method to prove antibiofilm activity?

I understood that the congo red agar is used for detection of biofilms. I wonder if the method can be used also for detection of antibiofilm activity. Could this be a sensible solution: 1. I test...

31 January 2021 2,058 5 View

Equation to calculate Chlorophylls and carotenoids concentrations from a MeOH:HCl 1% (v/v) plant extract solution?

Hello everybody! I have performed an acidic MeOH:HCl 1% (v/v) plant extraction from Arabidopsis leaves to calculate Anthocyanins concentrations based on: Rabino, I., and Mancinelli, A. L. 1986....

26 January 2021 3,903 2 View

Which is the best method to prepare single cell suspension from liver for flow cytometry analysis ?

We used enzymatic digestion method (collagenase 4 & trypsin ), but the cell number was less, around 2 X 105. Since flow cytometric analysis that we are doing need more events, there is no other...

22 January 2021 9,810 3 View

Does anyone know of easy to understand online free resources to use Bruker Topspin?

I have new 1D and 2D NMR data that needs to be analysed using Topspin (software), but I am a complete novice to NMR and the analysis of it. I, therefore, need to teach myself how to analyse the data.

15 January 2021 991 1 View

How can I analyze using NMR spectroscopy; my compound is only soluble in hot methanol?

Halo every one I have isolated a compound from the methanolic plant extract. The compound is UV positive at both 254 and 365 nm. It seems to be insoluble in most solvents like CDCl3, CD2Cl2,...

14 January 2021 2,503 3 View

What is the CFU for Streptococcus mutans that is equivalent to 0.284 optical density?

In which this OD= 0.284667 was for a solution of 1 ml contained 100 microliter activated bacteria and 900 microliter broth media. Thank you.

12 January 2021 3,524 3 View

What are the simplified method of extraction of alkaloid from a plant extract?

Descriptions and simple method of alkaloid extraction

02 January 2021 5,986 6 View

How can i estimate the total phenolic content from a plant extract?

Suggestions and recommendations are welcome. A protocol used and experience would also be helpful.

26 December 2020 9,984 4 View

There is any new technique (protocol) for Arbuscular Mycorrhizal fungi (AMF) colonization of new species, which has been identified recently?

The tremendous advances in research on mycorrhizal physiology and ecology over the past 40 years. In recent times, the researchers mainly focus on some dominant species like Rhizophagus...

25 December 2020 7,631 3 View

What is the overall effect of malpractice litigation on the quality and cost of health care?

18 December 2020 9,841 6 View

Are there effects of steroid hormones on sheep parasites?

I'd like to know is there any research reported about the effects of steroid hormones such as pgf2α or progesterone on gastrointestinal nematodes of sheep? Cordially

11 December 2020 1,205 2 View

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