Related Experiment Video

Updated: May 27, 2026

Preparation of High-Quality Fermented Fish Product
05:17

Preparation of High-Quality Fermented Fish Product

Published on: August 23, 2019

Comparison of dry sausages produced by different methods: Addition of nitrite/nitrate salts and sodium chloride at

I Astiasarán1, R Redin, C Cid

  • 1Department of Food Science, Faculty of Pharmacy, University of Navarre, 31080-Pamplona, Spain.

Meat Science
|November 9, 2011
PubMed

More Related Videos

Preparation of Food Samples Using Homogenization and Microwave-Assisted Wet Acid Digestion for Multi-Element Determination with ICP-MS06:53

Preparation of Food Samples Using Homogenization and Microwave-Assisted Wet Acid Digestion for Multi-Element Determination with ICP-MS

Published on: December 22, 2023

The Effect of the Application of Thyme Essential Oil on Microbial Load During Meat Drying09:07

The Effect of the Application of Thyme Essential Oil on Microbial Load During Meat Drying

Published on: March 14, 2018

Related Concept Videos

2° Amines to N-Nitrosamines: Reaction with NaNO201:20

2° Amines to N-Nitrosamines: Reaction with NaNO2

Secondary amines react with nitrous acid to form N-nitrosamines, as depicted in Figure 1. Nitrous acid, a weak and unstable acid, is formed in situ from an aqueous solution of sodium nitrite and strong acids, such as hydrochloric acid or sulfuric acid, in cold conditions. In the presence of an acid, the nitrous acid gets protonated. The subsequent loss of water results in the formation of the electrophile known as nitrosonium ion.
Qualitative Analysis03:46

Qualitative Analysis

For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
Methods of Controlling Food Spoilage01:26

Methods of Controlling Food Spoilage

Food spoilage is caused by microbial growth or by chemical and physical changes, all of which affect the taste, texture, and safety of food.Temperature-Based PreservationRefrigeration at 0–4 °C slows microbial growth and enzyme activity, making it ideal for short-term storage. However, certain spoilage organisms—such as psychrotrophs like Listeria monocytogenes—can still proliferate at these temperatures. Freezing below -18 °C further slows biological processes by forming ice crystals, which...