Quality parameters
Food Lipids . Analysis, quality, authenticity and minor compounds
Quizzed article REF: P3327 V2
Quality parameters
Food Lipids . Analysis, quality, authenticity and minor compounds

Authors : Denis OLLIVIER, Florence LACOSTE, Jacques ARTAUD

Publication date: June 10, 2021, Review date: November 7, 2022 | Lire en français

Logo Techniques de l'Ingenieur You do not have access to this resource.
Request your free trial access! Free trial

Already subscribed?

2. Quality parameters

Lipids are alterable compounds due to the presence of unsaturated fatty chains and certain minor compounds that are not very stable. The presence of oxygen, light, water, suspended organic matter (virgin oils), trace metals and enzymes in contact with oils and fats is a degradation factor.

Quality parameters are measured by various methods: volumetric, spectroscopic, chromatographic and electrochemical.

2.1 Free fatty acids

Hydrolysis of fats, whether chemical (presence of water) or enzymatic (lipolytic enzymes) (palm, shea, olive), leads to the formation of free fatty acids.

Acidity A according to NF EN ISO 660...

You do not have access to this resource.
Logo Techniques de l'Ingenieur

Exclusive to subscribers. 97% yet to be discovered!

You do not have access to this resource. Click here to request your free trial access!

Already subscribed?


Article included in this offer

"Food industry"

( 266 articles )

Complete knowledge base

Updated and enriched with articles validated by our scientific committees

Services

A set of exclusive tools to complement the resources

View offer details
Contact us