What is the difference of a plant extract of ethyl acetate and hexane?

We used hexane and ethyl acetate to prepare dried whole plant extract of Eclipta prostrata. In its phytochemical screening, flavonoids were present in hexane extract but, it was absent in ethyl...

07 August 2020 8,202 3 View

In phytochemical screening why do we use different solvents?

When we conduct different screening tests to identify phytochemicals in plant extracts, we use more than one solvent. What are the criteria or how do we select the best solvent rather than using...

07 August 2020 2,933 5 View

How can I send a digital signal to an actuator, after recognizing a defect of a print using python and openCV?

I have got a defects subtracted image using python and openCV. Now I want to send a digital signal to an actuator to take necessary actions when a defect is detected. How can I do that? I wish to...

31 July 2018 8,067 3 View

Do you believe that your living surrounding, climate and time of the day affect on your health?

CVA is more likely to get early in the morning and in winter. Bronchial asthma may aggravate at night. Some psychological diseases worsen on fullmoon days. Why is that?

01 January 1970 8,179 2 View

Can online teachig be used in primary and secondary education sustainably?

Covid 19 pandemic taught many lessons to the mankind. Online teaching were encouraged in every stage of education. Delivering online teachig was successful to great extent in university education....

01 January 1970 3,748 35 View

How do I determine temperature of ethanol during a reflux?

04 February 2021 6,673 4 View

Is rotary evaporator a must before going through TPC, TFC and DPPH assay?

I am doing an optimization of ginger extract using doe software, firstly I extract the ground ginger with 20ml solvents of 60%, 70% and 80% ethanol using the ultrasound water bath in different...

23 October 2020 3,268 10 View

Hi how can i prepare nano zinc oxide by ginger extract ?

I want to prepare zinc oxide nanomaterial using ginger extract by green method am asking about the best method to preparer the extract and the condition of optimization and the concentration?

09 September 2020 5,061 4 View

What are the health and medicinal benefits of Ginger?

Are there therapeutic benefits of Ginger? What are the health and medicinal benefits of Ginger? What do we benefit from using it?

01 April 2020 7,203 96 View

What are the common adulterants used in spices?

What are the adulterants used in different spices like turmeric, chilli powder, coriander powder, cumin powder, black pepper, cinnamon powder etc? I am looking for categorized answers. Looking...

07 August 2019 2,635 18 View

What are the common adulterants used in spices?

What are the adulterants used in different spices like turmeric, chilli powder, coriander powder, cumin powder, black pepper, cinnamon powder etc? I am looking for categorized answers. Looking...

05 August 2019 7,707 20 View

I have received a ginger extract, and it is written concentration 25%, and it is one liter. so what does it mean?

My research is to study the ginger effect on breast cancer cells. so how to know the best concentration to treat the cells with it to study the effect. Note that i will treat it with different...

16 February 2019 4,419 3 View

I have received a ginger extract, and it is written concentration 25%, and it is one liter. so what does it mean?

My research is to study the ginger effect on breast cancer cells. so how to know the best concentration to treat the cells with it to study the effect. Note that i will treat it with different...

01 February 2019 4,556 3 View

Dear colleagues, can you please help me with a protocol for RNA Extraction from Ginger (Zingiber officinale)?

I tried to extract plant virus (RNA genome) from ginger leaves but there are a lot of inhibitors when I come to cDNA and RT-PCR sometimes. I want to get expertise advice from those who worked with...

20 October 2018 7,451 4 View

Which is more easier to conduct: disk-diffusion method or microdilution?

Hi, I'm a student researcher who is currently studying about the antifungal activity of ginger and garlic. Any tips for our methodology?

09 October 2018 5,685 5 View