Sorbitol, also known as sorbitol, hexanol, D-sorbitol, is a non-volatile polysugar alcohol, stable chemical properties, not easily oxidized by air, easily soluble in water, hot ethanol, methanol, isopropyl alcohol, butanol, cyclohexanol, phenol, acetone, acetic acid and dimethylformamide, widely distributed in natural plant fruits, not easy to be fermented by various microorganisms, good heat resistance. It is not decomposed at high temperature (200ºC), and was originally isolated from mountain strawberry by Boussingault et al. in France. The PH value of saturated aqueous solution is 6 ~ 7, and it is isomeric with mannitol, tyrol alcohol and galactotol, which has a cool sweetness, and the sweetness is 65% of sucrose, and the caloric value is very low. It has good hygrometry, has a very wide range of effects in food, daily chemical, pharmaceutical and other industries, and can be used in food to prevent food drying, aging, extend the shelf life of products, and can effectively prevent the crystallization of sugar and salt in food, can maintain sweet, sour, bitter strength balance and increase food flavor. It can be prepared by heating and pressurizing glucose in the presence of nickel catalyst.
Sweetener
Sorbitol is a sugar substitute, and when used in food it has the INS number and E number 420. Sorbitol is about 60% as sweet as sucrose (table sugar).
Sorbitol is referred to as a nutritive sweetener because it provides dietary energy. It is often used in diet foods (including diet drinks and ice cream), mints, cough syrups, and sugar-free chewing gum. Most bacteria are unable to use sorbitol for energy, but it can be slowly fermented in the mouth by streptococcus mutans, a species of bacteria that cause tooth decay unlike many other sugar alcohols such as isomalt and xylitol, which are considered to be non-acidogenic.
It also occurs naturally in many stone fruits and berries from trees of the genus Sorbus.
Health Care, Food, and Cosmetic Uses
Sorbitol often is used in modern cosmetics as a humectant and thickener. It is also used in mouthwash and toothpaste. Some transparent gels can be made only with sorbitol, because of its high refractive index.
Beyond its use as a sugar substitute in reduced-sugar foods, Sorbitol is also used as a humectant in cookies and low-moisture foods like peanut butter and fruit preserves. In baking, it is also valuable because it acts as a plasticizer, and slows down the staling process.
Medical Applications
Sorbitol is also used in the manufacture of softgel capsules to store single doses of liquid medicines.
A treatment for hyperkalaemia (elevated blood potassium) uses sorbitol and the ion-exchange resin sodium polystyrene sulfonate.
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item
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Pagtutukoy
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item
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Pagtutukoy
|
|
Hitsura
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Clear, colourless, syrup liquid
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Hitsura
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Colorless, transparent, syrupy liquid
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|
Pagkakakilanlan
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A
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A deep pink or wine-red color appears
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Dry Substance %
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≥69.0
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B
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The principal peak is similar with the reference
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Water Content %
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≤31.0
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C
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Diethylene glycol≤0.10%
Ethylene glycol≤0.10%
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Refractive Index(20ºC)
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≥1.4575
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Assay %
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≥45%
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Specific Rotation(20ºC)
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≤+5.3
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Inorganic Ignition
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≤0.1
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Specific Gravity(20ºC)
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≥1.290
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Limit of Nickel μg/g
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≤1
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D-sorbitol %
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≥68.0
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Reducing Sugars %
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≤0.3
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D-mannitol %
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≤2.0
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Total Aerobic Count cfu/ml
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≤1000
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Conductivity μS/cm
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≤20
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Molds & Yeasts cfu/ml
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≤100
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Reducing Sugars %
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≤0.15
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pH(14%(w/w)solution)
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5.0~7.5
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Total Sugars %
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≤0.30
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Water Content %
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28.5~31.5
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Nickel %
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≤0.0001
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Anhydrous Substance %
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68.5~71.5
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Fe %
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≤0.0001
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|
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Chloride %
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≤0.001
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|
|
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Sulphate %
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≤0.002
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|
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Heavy Metals(as Pb) %
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≤0.0001
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|
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Arsenic(as As2O3)%
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≤0.0001
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|
|
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Residue on Ignition %
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≤0.10
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Sorbitol alias sorbitol, English name Sorbitol, D-Glucitol, Sorbol, D-Sorbitol, hygroscopic powder or as a white crystalline powder, flakes or granules, odorless, soluble in water (1g dissolved in about 0.45mL water), slightly soluble in ethanol and acetic acid, with a refreshing sweet taste, sweetness about half of sucrose, and sucrose similar calorific value, used as a sweetening agent does not cause dental caries, oral excess can cause diarrhea and digestive disorders.
*Food Industry------Can be used as a sweetener, humectant, chelating agent and tissue modifier.
1. Sorbitol has good thermal stability and has a fragrance-preserving effect.It is a sugar-free functional sweetener and an important basic material for functional food. It can be used in sugar-free candies, cakes, surimi, and beverages as sweeteners and humectants.
2. Improve the organization and taste of food, make product more delicate. Adding sorbitol to food can prevent drying and cracking of food, keep food fresh and soft. It has obvious effect in bread and cakes.
Sorbitol does not contain aldehyde groups, it is not easy to be oxidized, and does't cause Maillard Reactions with amino acids when heated.
3. It has certain physiological activity and can prevent the denaturation of carotenoids, edible fat and protein.
Adding sorbitol to concentrated milk can prolong the shelf life
4. It has obvious stability and long-term preservation effect on fish sauce.
*Aquaculture------ Preservative for aquatic products, combined with free water, inhibits bacterial reproduction, stabilizes protein, and maintains the original color and fragrance of aquatic products.
*Pharmaceutical Industry------It is not converted into glucose in the human body, sugar-free. It can be used as a special sweetener for diabetic and obese patients, and it can also improve the intestinal environment, has a laxative effect, and has obvious effects on treating senile constipation and preventing hypertension.
*Healthcare and Cosmetics Industry-
1.It can strengthen teeth and prevent caries,can be used as a raw material for toothpaste. Sorbitol has sufficient stability and is suitable for excipients in various formulations. It can keep the paste lubricated, with good color and taste. Especially alkaline toothpaste, sorbitol can make transparent toothpaste, transparent soap, transparent cosmetics, and maintain long-term stability. Because of its special coolness, it is an excellent raw material for chewing gum.
*Chemical Industry
1. It can replace glycerol to produce alkyd resin because its properties are similar to glycerol.Compared with glycerin, sorbitol has a better cost performance under the condition of equal moisturizing properties.
2. Sorbitol can be used as the raw material for vitamin C production;
3. It can also be used as a raw material for syrup, injection infusion, pharmaceutical tableting, as a dispersant, filler, cryoprotectant, anti-crystallization agent, Chinese medicine stabilizer, wetting agent, capsule enhancer. Plasticizers, sweeteners, ointment bases, etc.
*Paper Industry------It can also be used as surfactant, adhesive, anti-drying agent for paper
*Tobacco Industry------ Moisture control agent in tobacco industry
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