Ancient Practices:

The first embalming method, use by the Egyptians, included covering the bodies with NATRON which is composed of sodium chloride, sodium sulfate, sulfate carbonate, sodium nitrate, and potassium.

The second embalming method involved injecting cedar oil into the anus with the purpose of closing off the opening. Natron was used again to prevent dehydration. Oil was then left to drain to remove all internal organs.

Ancient Persians immersed their dead in jars of honey and wax to prevent damaging air.

Further Advancement:

Leonardo da Vinci described the method of venous injection to preserve the body.

Early embalming fluids commonly contained a mixture of turpentine, camphor,lavender oil, vermilion (mercury sulfide), wine, rose, and saltpeter.

"Balsamic Spirit" was an embalming method described carefully in a published book by Gabriel Clauderus, german physician.

Formaldehyde Emerges:

The Chemistry of formaldehyde is a complex preservative.

Formaldehyde undergoes to main reactions:

1.the formation of methylene glycol which preserves tissue by a pathway different of formaldehyde.

2. Formaldehyde reacts with oxygen to yeild formic acid

A great amount of embalming fluid is unacceptable because it causes "formaldehyde pigments."

To prevent excess formic acid materials such as methanol, methyl salicylate, and various buffers are added.

After death pH of blood becomes acidic as a result of thee production of Lactic and Carbonic acids. It change from 7.4 to 6.3.

Replacing Formaldehyde:

Glutaraldehyde was first used as a formaldehyde substitute in 1955. This dialdehyde was found to react with tissue proteins in a manner similar to formaldehyde but without significant tissue dehydration. The rTe of cell preservation using glutaraldehyde depended on several factors:




The Canopic Jars Were Used To Hold Human Organs Of Dead

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