Mamta Thakur

13 Questions 11 Answers 0 Followers

Questions related from Mamta Thakur

Is it reliable to use toluene as a solvent in measuring density by liquid displacement method?

Hi all, I am working on pollen and want to examine the true density. No doubt, toluene does not swell the particles but it may dissolve the lipid materials and other organic molecules besides the...

08 January 2021 2,618 2 View

Are hydrogels really important for food processing sector ?

Dear all, I am just reading about a new trend in food sector i.e. developing hydrogels. Literature showed uses of hydrogels in food packaging and bioactive molecule delivery or their carrier in...

28 December 2020 4,557 6 View

Why does the cohesion of milk powder first increase and then decrease during storage?

Dear all, Greetings I am working on fortified milk powder which I stored for 1 yr. While analysing the powder flow data, I found a very high increase in cohesiveness of powder but then a...

07 July 2020 3,420 0 View

Can outlet air temperature of a spray dryer be controlled?

Dear all, I am working on the spray drying of fruit juice concentrate. I want to fix the outlet air temperature to 70±5°C. Is this feasible as I read in many papers that the outlet air temperature...

02 January 2020 9,952 4 View

What does the higher residual weight percentage in Thermal Gravimetric analysis (TGA) signify?

Respected all TGA analysis showed that one of fortified milk powder sample had >50% residual weight. Is it possible? If yes, what is the reason for this?

24 February 2019 6,149 6 View

Can pH be less than zero and more than 14?

Dear all, I was reading a paper where negative pH was mentioned. So, I am curious to know that pH below zero and more than 14 exists. If yes, what is the reason?

24 January 2019 7,951 18 View

Is there any relation between the TGA peak and DSC curve?

Dear sir/madam I am working on the thermal properties of sorghum flour. I wish to know: Are the peaks obtained in DSC curve and peaks showing decomposition stages in DT-TGA curve same? Because the...

07 January 2019 4,283 13 View

Can bee pollen have ability to pollinate the crops?

I am working on pollen. The hand-collected pollen exhibited good potential to germinate over the stigma even after few months of storage under freezing conditions. I want to know: will the pollen...

03 December 2018 5,428 8 View

Why the vacuum dried powder is less soluble than spray dried?

Respected all, I am working on the development of spice based buttermilk powder using vacuum drying and I am getting the solubility very low i.e. 37-45%. while the spray dried powder has more...

19 July 2018 3,007 4 View

Why fructose is eluted first compared to glucose during HPLC analysis when both have same molecular weight?

Why fructose is eluted first compared to glucose during HPLC analysis when both have same molecular weight? Is it due to their structure difference? Thankyou

13 June 2018 226 4 View

How can the solubility/dissolution of feed containing suspensions be increased to produce the skim milk powder?

Respected all, I am working on the production of skim milk powder using lab-scale spray dryer. While preparing the feed, the mixture leads to suspensions (6-200 µm) within 10 min and choking the...

28 April 2018 1,063 3 View

Can cluster analysis and linear discriminant analysis (LDA) be applied on the data after good differentiation obtained by PCA?

Respected all, I am working on the classification of pollen on the basis of locality. Using PCA, I have got a good differentiation and classification of samples. Now, should I also go for using...

22 March 2018 1,965 5 View

Can palynological study of bee pollen assist in the identification of botanical origin up to the species level?

Respected all, I am working on the botanical evaluation of the pollen. I wish to know that can palynological study of bee pollen assist in the identification of botanical origin up to the species...

20 March 2018 1,318 10 View