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Institute of Medicine (US) Committee on Strategies to Reduce Sodium Intake; Henney JE, Taylor CL, Boon CS, editors. Strategies to Reduce Sodium Intake in the United States. Washington (DC): National Academies Press (US); 2010.
Strategies to Reduce Sodium Intake in the United States.
Show detailsTABLE D-1Selected Examples of Proposed Salt Substitutes
Substitute | Applications | Comments |
---|---|---|
Potassium chloride (KCl) | Many foods, including cheeses,a breads,b and meats;c may be mixed with NaCl in up to a 50:50 ratioc | Bitter to many people;c many patents to reduce KCl bitterness exist;d because potassium intake of the U.S. population is low, increased intake of potassium may benefit somee but could harm certain subpopulations (e.g., those with certain medical conditions or taking certain medications)f |
Lithium chloride (LiCl) | None: toxic although almost perfectly salty | |
Calcium chloride (CaCl2), magnesium chloride (MgCl2), and magnesium sulfate (MgSO4) | Few foods | Somewhat salty but with many off-tastes;g bitter tastes of MgSO4 are usually perceived only at high levels;h CaCl2 can cause irritations on the tongueh |
Sea salt | Many foods, also used in salt shakers | Usually contains substantial amounts of sodium chloride; benefits of use in reducing sodium consumption are unclear |
Salts with altered crystal structure | Some foods | Porous and star-shaped structures, created by manipulating the salt drying process, allow greater salty taste with smaller amounts of salt;i particularly useful in applications where salt is used on the surface of food productsj |
TABLE D-2Selected Examples of Proposed Salt Enhancers
Ingredient | Applications | Comments |
---|---|---|
Monosodium glutamate (MSG) and other glutamates | Many foods; can replace some salta | No pleasant taste in itself, but enhances salty tastes; imparts the taste of umami; MSG contains sodium; other glutamate salts such as monopotassium glutamate or calcium diglutamate may further reduce sodium; synergizes with 5′-ribonucleotides;b may replace bitter blockingc and oral thickeningd characteristics; often contained in hydrolyzed vegetable protein and yeast extractsa |
Yeast extracts and hydrolyzed vegetable protein | Some foods | Often contains MSG, but is seen as a “natural” alternative to MSG use; meaty and brothy tastes limit potential usesd,e |
Nucleotides including inosine- 5′-monophosphate (IMP) and guanosine-5′-monophosphate | Some foods | Imparts the taste of umami; found to act synergistically with glutamates to enhance salty tastes in some foodsd,f |
Amino acids, especially arginine and related compounds | Not known | L-Arginine is reported to enhance the saltiness of foods with low to moderate levels of salt; practical uses are not clearg |
Dairy concentrates | Many foods | Reported to allow moderate sodium reductions in a variety of productse,h |
Lactates (potassium lactate, calcium lactate, and sodium lactate) | Few foods | May enhance the saltiness of NaCl, but not widely used; calcium lactate can impart a sour tasteb |
Herbs and spices | Many foods | Herbs and spices provide other flavoring characteristics and may, for some people, help alleviate blandness following salt removale,i,j |
Compounds that reduce bitterness including adenosine- 5′-monophosphate, DHB (2,4-dihydroxybenzoic acid), lactose, sodium gluconate, and mixtures for use in combination with potassium chloride | Many foods | Designed to mask bitterness of potassium chloride or reduce bitterness from other food components that are usually masked by salt; allow partial reduction of total sodium contentb,e,k,l |
Mixtures of NaCl substitutes and enhancers | Many foods | Proprietary mixtures are produced by many companies; mixtures consist of a number of ingredients such as non-sodium salts, yeast extracts, potassium chloride, sodium, and sodium gluconatee,m,n,o |
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REFERENCES
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