MSG, or monosodium glutamate, is a common and widespread additive in food used mainly for flavor enhancement, but also for preservation. MSG has been used for well over a century as a food additive, but in the last couple of decades anecdotal claims of illness have been linked to MSG consumption.SG is the salt form of glutamic acid, which is a naturally occurring amino acid. Seaweeds and many other plants and vegetables contain glutamic acid.
From Wikipedia, the free encyclopedia. Auto-defrost, automatic defrost or self-defrosting is a technique which regularly defrosts the evaporator in a refrigerator or freezer. Appliances using this technique are often called frost free, frostless or no-frost.
Mechanical defrost system. If your refrigerator has a defrost problem and you determine your refrigerator has a mechanical defrost system, follow the steps below to determine which part you will have to replace to repair the problem. 1. Locate the timer and slowly turn it until the compressor and fans turn off.By doing so, you have manually placed the refrigerator in a defrost cycle. 2. If you havenât done so, remove the back wall of the freezer to access the evaporator coils.. Locate the timer and slowly turn it until the compressor and fans turn off. By doing so, you have manually placed the refrigerator in a defrost cycle. 2. If you havenât done so, remove the back wall of the freezer to access the evaporator coils.