D-(+)-Arabitol丨CAS 488-82-4

D-(+)-Arabitol丨CAS 488-82-4, also known as Arabitol, is a naturally occurring five-carbon sugar alcohol (polyol) derived from arabinose. Structurally similar to xylitol and ribitol, D-arabitol appears as a white crystalline powder or granule and is known for its sweet taste and moisture-retaining properties.

Applications

1. Food and Beverage Industry

D-(+)-Arabitol丨CAS 488-82-4 is used as a low-calorie sweetener and humectant (moisture-retainer). Though less sweet than sucrose, it provides a smooth taste and helps in:

Sugar-free or reduced-calorie products

Moisture preservation in baked goods, chewing gum, and candies

Preventing crystallization in syrups and confections

It's especially useful for:

Diabetic-friendly foods

Low-glycemic formulations

Note: Although not as commonly used as sorbitol or xylitol, D-arabitol has similar applications.

2. Pharmaceutical and Nutraceutical Applications

D-(+)-Arabitol is used in:

Tablet formulations as a binder or filler

Oral care products like mouthwash and toothpaste (due to its non-cariogenic nature)

Prebiotic and gut health supplements (being fermentable by some gut microbiota)

It may also act as an osmotic agent in some laxative formulations.

3. Diagnostic and Medical Research

D-arabitol serves as a biomarker for certain fungal infections, notably:

Invasive candidiasis

Cryptococcosis

Elevated levels of D-arabitol in serum or urine can indicate fungal overgrowth, especially in immunocompromised patients. This is because some fungi, like Candida species, produce arabitol during metabolism.

It's also used in metabolic and clinical research as:

A standard or internal control

A substrate for studying polyol pathways

4. Chemical Synthesis and Biochemical Research

D-(+)-Arabitol is used as a starting material or chiral building block in:

Synthesis of rare sugars

Enzymatic studies and polyol dehydrogenase assays

Development of sugar alcohol-based polymers

Its stereochemistry makes it useful in stereoselective synthesis and conformational analysis.

5. Agriculture and Animal Feed

In agriculture, polyols like arabitol are explored as:

Moisture-retaining agents in soil treatments

Sweeteners or flavor enhancers in animal feed formulations

Plant metabolites useful for detecting pathogen activity

6. Cosmetics and Personal Care

As a humectant, D-arabitol helps retain water in:

Moisturizers

Skin creams

Hair products

It contributes to improved skin hydration and product texture without being sticky.

Benefits

1. Low-Calorie and Tooth-Friendly Sweetener

Roughly 30–70% the sweetness of sucrose

Low caloric value compared to regular sugars

Non-cariogenic: does not promote tooth decay

Suitable for diabetics and low-glycemic diets

2. Excellent Moisture Retention

D-arabitol holds water effectively, making it valuable as a:

Humectant in cosmetics, foods, and pharmaceuticals

Agent to improve shelf life, texture, and mouthfeel

3. Biocompatible and Non-Toxic

It is generally recognized as safe (GRAS) and exhibits:

Low toxicity

Good tolerance in moderate doses

Minimal impact on blood sugar levels

4. Useful Biomarker in Clinical Diagnostics

Detects fungal infections in immunocompromised patients

Enables early diagnosis of systemic Candida infections

Non-invasive: measurable in urine and serum

5. Versatile Functional Material

Its chemical properties allow it to serve as:

A chiral intermediate

A substrate for enzymatic reactions

A base for polymer and surfactant development

Conclusion

D-(+)-Arabitol丨CAS 488-82-4 is a multifunctional sugar alcohol with significant roles in the food industry, pharmaceuticals, clinical diagnostics, and cosmetic formulations. With its sweetness, moisture-holding ability, and biological relevance, it finds diverse applications while being safe, biocompatible, and biodegradable. Whether it's keeping cookies moist, detecting fungal infections, or stabilizing personal care products, arabitol proves to be a subtle yet powerful ingredient across industries.