Difference between revisions of "Saliva"
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== Description == | == Description == | ||
| − | A watery mucus secreted into vertebrate mouths by small glands in the interior of the cheeks, tongue, and palate. Saliva contains water, mucins, proteins, enzymes ([ | + | A watery mucus secreted into vertebrate mouths by small glands in the interior of the cheeks, tongue, and palate. Saliva contains water, mucins, proteins, enzymes ([[amylase|amylase]], ptyalin), and salts. It serves to moisten the mouth, remove food debris, and breakdown carbohydrates. Saliva has been used as a readily available cleaning agent since ancient times. |
[[[SliderGallery rightalign|aaiSALIVA.jpg~FTIR]]] | [[[SliderGallery rightalign|aaiSALIVA.jpg~FTIR]]] | ||
| − | == | + | ==Physical and Chemical Properties== |
| − | Saliva is slightly alkaline. | + | * Saliva is slightly alkaline. |
| + | * Soluble in water and dilute alkaline solutions. Insoluble in acetic acid. | ||
| − | + | ==Resources and Citations== | |
| − | + | * P.M.S.Romao, A.M.Alarao, C.A.N.Viana, "Human saliva as a cleaning agent for dirty surfaces" ''Studies in Conservation'' Vol 35 (3):153-155, 1990. | |
| − | + | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | |
| − | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "saliva" [Accessed April 26, 2002] | |
| − | * | + | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 |
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[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 11:20, 28 June 2022
Description
A watery mucus secreted into vertebrate mouths by small glands in the interior of the cheeks, tongue, and palate. Saliva contains water, mucins, proteins, enzymes (Amylase, ptyalin), and salts. It serves to moisten the mouth, remove food debris, and breakdown carbohydrates. Saliva has been used as a readily available cleaning agent since ancient times.
Physical and Chemical Properties
- Saliva is slightly alkaline.
- Soluble in water and dilute alkaline solutions. Insoluble in acetic acid.
Resources and Citations
- P.M.S.Romao, A.M.Alarao, C.A.N.Viana, "Human saliva as a cleaning agent for dirty surfaces" Studies in Conservation Vol 35 (3):153-155, 1990.
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Encyclopedia Britannica, http://www.britannica.com Comment: "saliva" [Accessed April 26, 2002]
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997