+91 8810 67 5727
Shelf life study :-
Shelf life is the length of time that foods, beverages, pharmaceutical drugs, chemicals, and many other perishable items are given before they are considered unsuitable for sale, use, or consumption. In some regions, a best beforeuse by or freshness date is required on packaged perishable foods.
Shelf life is the recommendation of time that products can be stored, during which the defined quality of a specified proportion of the goods remains acceptable under expected (or specified) conditions of distribution, storage and display.
Most shelf life dates are used as guidelines based on normal and expected handling and exposure to temperature. Use prior to the expiration date does not necessarily guarantee the safety of a food or drug, while a product is not always dangerous nor ineffective after the expiration date.

Moisture vapor transmission rate (MVTR), also water vapor transmission rate (WVTR)
Moisture vapor transmission rate (MVTR), also water vapor transmission rate (WVTR), is a measure of the passage of water vapor through a substance.
There are many industries where moisture control is critical. Moisture sensitive foods and pharmeceuticals are put in packaging with controlled MVTR to achieve the required quality, safety, andshelf life. In clothing, MVTR as a measure of breathability has contributed to greater comfort for wearers of clothing for outdoor activity. The building materials industry also manages the moisture barrier properties in architectural components to ensure the correct moisture levels in the internal spaces of buildings. Carbon dioxide transmission rate (COTR)
Carbon dioxide transmission rate (COTR) is the measurement of the amount of carbon dioxide gas that passes through a substance over a given period. It is mostly carried out on non-porous materials, where the mode of transport is diffusion, but there are a growing number of applications where the transmission rate also depends on flow through apertures of some description. Oxygen transmission rate (OTR
Oxygen transmission rate (OTR) is the measurement of the amount of oxygen gas that passes through a substance over a given period. It is mostly carried out on non-porous materials, where the mode of transport is diffusion, but there are a growing number of applications where the transmission rate also depends on flow through apertures of some description. It relates to the permeation of oxygen through packaging to sensitive foods and pharmaceuticals.

Moisture sorption isotherm

At equilibrium, the relationship between water content and equilibrium humidity of a material can be displayed graphically by a curve, the so called moisture sorption isotherm. For eachhumidity value, a sorption isotherm indicates the corresponding water content value at a given, constant temperature. If the composition or quality of the material changes, then its sorption behaviour also changes. Because of the complexity of sorption processes, the isotherms cannot be determined by calculation, but must be recorded experimentally for each product.
The relationship between water content and water activity (aw) is complex. An increase in aw is usually accompanied by an increase in water content, but in a non-linear fashion. This relationship between water activity and moisture content at a given temperature is called the moisture sorption isotherm. These curves are determined experimentally and constitute the fingerprint of a food system.

Packaging

The ability of a package to control the permeation and penetration of gasses is vital for many types of products. Tests are often conducted on the packaging materials but also on the completed packages, sometimes after being subjected to flexing, handling, vibration, or temperature.
info-uk@tqsglobal.org
info-india@tqsglobal.org
info-usa@tqsglobal.org

Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player


LONDON

Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player


NEW DELHI

Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player


NEW YORK
 
Food Safety
Violation Reported
    
 
Offerings Industries TQS Advantage Insights Connect with us
  • Manufacturing
  • Ware House
  • Food Proccesing
  • Restaurant
  • Hotels
  • Caterers
  • Flight Caterers
  • Corporate Kitchen
  • Events
  • Retail Chain
  • Street Food
  • Healthcare
  • Government


 
Copyright © 2010-2019 TQS Global Business Consulting LLP. All Rights Reserved TQS Global is a unit of TQS Global Group
 
 
TQS Global is a food safety and research firm. We monitor and control food safety issues, be it product related or legislation related. If you have any query related to food quality and food safety, feel free to call us on our
 
Helpline numbers
+91 881 0 675 727
+91 7011 34 1230
+91 8076 24 5570
+91 9891 16 0788
   
+91 8810 67 5727
 
support@tqsglobal.org