Difference between revisions of "Tapioca starch"
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* Rosalie Rosso King, ''Textile Identification, Conservation, and Preservation'', Noyes Publications, Park Ridge, NJ, 1985 | * Rosalie Rosso King, ''Textile Identification, Conservation, and Preservation'', Noyes Publications, Park Ridge, NJ, 1985 | ||
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "tapioca" | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "tapioca" [Accessed 28 Sept. 2005]. |
| − | * Wikipedia | + | * Wikipedia: http://en.wikipedia.org/wiki/Tapioca (Accessed Sept. 28, 2005) |
* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 | ||
Revision as of 14:44, 12 June 2020
Description
A beady Starch obtained from the tuberous roots of the cassava plant, Manihot esculenta and Manihot duleis, native to tropical America. The roots are leached then dried and ground. Cassava, or tapioca, starch has irregularly shaped kernels. It is composed of 20% amylose. Tapioca starch is the predominant starch used in Latin America. When heated with water, tapioca forms a thick stringy solution that gets thinner with heating time. It thickens only slightly on cooling to forms a translucent Gel. Tapioca is used for laundry starch, cooking, and as an Adhesive for stamps, envelopes, labels, and Plywood.
Synonyms and Related Terms
"Manihot esculenta; Manihot duleis; Tapioka (Deut.); almidón de tapioca (Esp.); amidon de tapioca (Fr.); amido di tapioca (It); cassava; manioc; Brazilian arrowroot "
Other Properties
Small, oval granules with centrally located dark mark (hilum). Granule size = 5 - 35 micrometers. Gelatinization temperature = 49 - 70 C
Reacts with a iodine/potassium iodide solution to give a positive purple color
Hazards and Safety
Susceptible to biodeterioration. Dried films become brittle with age.
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 766
- Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Rosalie Rosso King, Textile Identification, Conservation, and Preservation, Noyes Publications, Park Ridge, NJ, 1985
- Encyclopedia Britannica, http://www.britannica.com Comment: "tapioca" [Accessed 28 Sept. 2005].
- Wikipedia: http://en.wikipedia.org/wiki/Tapioca (Accessed Sept. 28, 2005)
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998