更多关于已证实属于一般公认为安全（GRAS）的可直接加入食品中的物质种类，请点击美国FDA 21 CFR 第184部分已证实属于一般公认为安全（GRAS）的可直接加入食品中的物质种类汇总
§ 184.1339 Guar gum.
（a） Guar gum is the natural substance obtained from the maceration of the seed of the guar plant, Cyamopsis tetragonoloba （Linne） Taub., or Cyamopsis psoraloides （Lam.） D.C.
（b） The ingredient meets the specifications of the “Food Chemicals Codex,” 3d Ed. （1981）, p. 141, which is incorporated by reference. Copies may be obtained from the National Academy Press, 2101 Constitution Ave. NW., Washington, DC 20418, or may be examined at the National Archives and Records Administration （NARA）. For information on the availability of this material at NARA, call 202–741–6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
（c） The ingredient is used in food under the following conditions:
Maximum Usage Levels Permitted
| Food (as served) | Percent | Function |
| Baked goods and baking mixes, §170.3(n)(1) of this chapter | 0.35 | Emulsifier and emulsifier salts, §170.3(o)(8) of this chapter; formulation aid, §170.3(o)(14) of this chapter; stabilizer and thickener; §170.3(o)(28) of this chapter. |
| Breakfast cereals, §170.3(n)(4) of this chapter | 1.2 | Formulation aid, §170.3(o)(14) of this chapter; stabilizer and thickener, §170.3(o)(28) of this chapter. |
| Cheese, §170.3(n)(5) of this chapter | 0.8 | Do. |
| Dairy products analogs, §170.3(n)(10) of this chapter | 1.0 | Firming agent, §170.3(o)(10) of this chapter; formulation aid, §170.3(o)(14) of this chapter; stabilizer and thickener, §170.3(o)(28) of this chapter. |
| Fats and oils, §170.3(n)(12) of this chapter | 2.0 | Do. |
| Gravies and sauces, §170.3(n)(24) of this chapter | 1.2 | Formulation aid, §170.3(o)(14) of this chapter; stabilizer and thickener, §170.3(o)(28) of this chapter. |
| Jams and jellies, commercial, §170.3(n)(28) of this chapter | 1.0 | Do. |
| Milk products, §170.3(n)(31) of this chapter | 0.6 | Do. |
| Processed vegetables and vegetable juices, §170.3(n)(36) of this chapter | 2.0 | Formulation aid, §170.3(o)(14) of this chapter; stabilizer and thickener, §170.3(o)(28) of this chapter. |
| Soups and soup mixes, §170.3(n)(40) of this chapter | 0.8 | Do. |
| Sweet sauces, toppings and syrups, §170.3(n)(43) of this chapter | 1.0 | Do. |
| All other food categories | 0.5 | Emulsifier and emulsifier salts, §170.3(o)(8) of this chapter; firming agent, §170.3(o)(10) of this chapter; formulation aid, §170.3(o)(14) of this chapter; stabilizer and thickener, §170.3(o)(28) of this chapter. |
（d） [Reserved]
（e） Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.
[42 FR 14653, Mar. 15, 1977, as amended at 42 FR 55205, Oct. 14, 1977; 49 FR 5612, Feb. 14, 1984]
