Which is the best food grade emulsifier for Ascorbyl Palmitate?

Current food grade emulsifier I am using is causing AP particles to settle on cooling but as soon as I heat the blend, the blend becomes just fine (clear liquid). The general ratio I am using is...

02 March 2017 9,531 0 View

How can we prevent proanthocynidin loss during extraction with polar solvents?

I have tried extracting proanthocynidins from grape seeds, but when I get the result for proanthocynidins in sample and spent from extraction, the results do not follow mass balance. What am I...

10 November 2016 4,263 5 View

What is the best method of emulsifying grape seed extract , extracted with non-polar solvents?

I want to make a grape seed extract solution that is miscible with both water and oil. What would be the best emulsifier to do so?

09 October 2016 2,521 4 View

What are cost effective methods to de-colorize natural plant extract without stripping their phytochemicals?

Except the usage of charcoal, what are other methods to de-colorize rosemary extract without stripping off its phyto-constituents?

07 August 2016 8,553 6 View

What is the current regulatory status of usage of Green Tea Extract and Grape Seed Extract as antioxidants in EU and USA?

07 August 2016 2,402 3 View

What is the mechanism of action of rosmanic acid in fats and oils? Has anyone done substantial research on it?

The mechanism radical scavenging activity of rosmanic acid in any of the vegetable oils

06 July 2016 807 3 View

Which herb has more antioxidant activity, oregano or rosemary?

Both oregano and rosemary contains rosemrinic acid which is a powerful antioxidant

06 July 2016 9,591 2 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View

When I mix oil and NaOH solution, Why solid layer in the surface is formed?

During my trial for lubricant oil re-refinery process, I use NaOH as coagulant agent. After overnight of gravity settling, a solid layer in the surface was form. what product is that? since the...

22 February 2021 2,116 4 View

How to seperate PEG-4000 from aqueuse phase ?

Hello everyone , Please tell me if It possible to seperat POlyethelyn glycol -4000 from an aqueuse media by other ways rather heating . I have tried salting out by electrolyte solution to...

22 February 2021 7,285 5 View

The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View