Riccardo Sorrentino

9 Questions 3 Answers 0 Followers

Questions related from Riccardo Sorrentino

How many samples should I analyze from a single batch of raw materials shipped in different drums/containers?

Hi there, I was wondering, from a QA/QC perspective, If I have one batch of raw material coming in the factory in big quantity, split in different drums or containers, how many samples should I...

12 June 2023 7,252 1 View

Bomb calorimeter analysis ?

Dear all, do you know if there is a lab in Europe that is performing bomb calorimetric analysis for edible oils ? We are struggling a bit to find a lab that is performing such analysis. Thanks...

15 July 2021 5,751 2 View

Which is the best way to regenerate food grade glycerol used during glycerolysis for MAG-DAG production?

Dear all, I was wondering which is the best solution to regenerate the glycerol in excess resulting from the enzymatic esterification between FFA and glycerol. Perhaps a distillation? Do you...

07 July 2021 2,472 2 View

What is the reason of paneling of metal drums used for vegetable oil?

Hi there! I was wondering what could be the reason behind the paneling of metal drums and plastic bottles containing vegetable oil. I faced this problem in the vetable oil factory where I work...

02 June 2021 6,623 2 View

Antioxidant activity during cold storage of vegetable/fish oil?

Dear all, I was trying to understand how storage condition might affect tocopherols activity in that kind of oils that require a storage in freezing temperatures. Does the low temperature, to...

19 May 2021 5,305 6 View

How I can remove trace of water from a oil/glycerol mix during an enzymatic modification of vegetable oil?

Dear all, I am performing some lab trials regarding the esterification of FFA with a molar excess of glycerol (food grade). One of the main limitation for the reaction to go towards the...

18 May 2021 8,330 2 View

Lipase activity with different free fatty acids?

Dear all, I am recently struggling with enzymatic esterification of free fatty acids from different kind of vegetable oil with molar excess of glycerol. The main goal of 'my reaction' is to...

19 April 2021 1,675 4 View

Ideal samples packaging for edible oils?

Hello everyone, I have maybe a stupid question regarding the right packaging to use when comes to send some oil samples in external labs. Do you have any advice about that? Is there a risk that...

19 January 2021 8,129 4 View

Alternative to use of ethanol in extraction process?

Dear all., I am using ethanol as part of the extraction process of Chlorella vulgaris carbohydrates. Since I am trying to scale up a bit the whole process, I should use much more ethanol, that in...

28 August 2020 2,109 5 View