Fructo-oligosaccharides (FOS) Application in Chocolate
Natural prebiotic with proven bifidogenic effects
Mild sweetness at thirty to fifty percent sucrose
Excellent solubility in water-based food systems
Stable under typical food processing conditions
Fructo-oligosaccharides (FOS) Application in Chocolate
1.1 What are Frulyte™Fructo-oligosaccharides
Natural Sweetness, Enhanced Performance
Fructo-oligosaccharides (FOS, also called fructooligosaccharides) are functional short-chain oligosaccharides in which fructose units are linked by beta-glycosidic bonds, optionally with one terminal alpha-D-glucose unit, with a degree of polymerization generally between 2 and 9. They occur naturally in many plants, including chicory, onions, garlic, artichokes, bananas and asparagus.
At industrial scale, FOS are produced mainly through enzymatic hydrolysis of inulin extracted from chicory or Jerusalem artichoke, or by transfructosylation of sucrose using fructosyltransferase. FOS appear as a white crystalline powder or clear syrup, with a sweetness of about 30-60 percent that of sucrose, a clean natural-sugar-like taste and a caloric value of only about 1.5-2.0 kcal per gram.
They are not broken down by stomach acid or small-intestine digestive enzymes and reach the large intestine intact, where they are selectively utilized by beneficial bacteria such as bifidobacteria, making them one of the most widely used and best-recognized prebiotics worldwide.
1.2 Health Benefits of Frulyte™Fructo-oligosaccharides
Balancing the gut microbiota
As a well-validated prebiotic, FOS markedly promote the growth of beneficial bacteria such as bifidobacteria and lactobacilli, inhibit harmful bacteria, improve the balance of the gut micro-ecology and help maintain normal bowel function.
Promoting mineral absorption
Short-chain fatty acids produced through fermentation lower intestinal pH and increase the solubility and absorption of minerals such as calcium and magnesium, supporting bone health.
Low glycemic response for sugar control
With a very low glycemic index (GI below 20), FOS do not cause large blood-glucose fluctuations and are poorly digested and absorbed with low calories, suiting reduced-sugar, low-GI and weight-management products.
Tooth friendly
FOS are not fermented into acid by cariogenic oral bacteria and do not promote tooth decay, making them suitable for children's snacks and other oral-health-sensitive products.
1.4 Application Advantages of FOS in Chocolate
Prebiotic function raises added value
FOS are highly recognized by regulators as a prebiotic, supporting prebiotic, source of fibre and digestive health positioning in chocolate and helping upgrade chocolate from a pure indulgent snack to an everyday functional food.
Partial sugar replacement with better taste
At 30-60 percent of sucrose sweetness with a clean taste and no bitter aftertaste, FOS can replace part of the sugar; blended with maltitol, erythritol or other sweeteners they mask the cooling sensation and grittiness of single polyols.
Water retention and anti-crystallization
With good water-holding capacity, FOS inhibit fat and sugar bloom and reduce sucrose crystallization; in filled, nougat and mousse chocolates they keep fillings moist, delay drying and cracking and stabilize texture over shelf life.
Low glycemic and low caloric
Not absorbed in the small intestine, low in calories and with GI below 20, FOS fit sugar-reduction, glucose-control and weight-management trends and suit high-cocoa dark chocolate, sports nutrition and children's chocolate.
Processing friendly
Highly water soluble, acid and heat tolerant, FOS disperse evenly during chocolate refining, conching, tempering and enrobing without affecting cocoa flavor release or tempered crystallization.
Natural source and clean label
Extractable from plants such as chicory and Jerusalem artichoke, FOS support a friendly label and meet consumer preference for natural, plant-based, clean-label ingredients.
2. Product Applications
Product Information
Brand: Meiji Oligosaccharide | Company: Meiji
Functional milk chocolate with 12 percent Frulyte™Fructo-oligosaccharides, notified under Japan's Foods with Function Claims (FFC) system.
Key Ingredients
FOS Value
Half-Dose Sugar Replacer: Replaces about half of the sucrose to keep the reduced-sugar milk chocolate sweet, rich and melt-in-the-mouth without polyol grittiness.
Prebiotic & Functional Claim: Provides 3,000mg of FOS per serving to selectively promote bifidobacteria, supporting digestive health claims under Japan's FFC system.
Product Information
Brand: Codex Chocolate | Company: Hua Qiao Food
Crossover snack combining a chocolate coating with an aerated soft marshmallow center.
Key Ingredients
FOS Value
Health Positioning: Adds a genuine prebiotic health selling point to a fun snack, reassuring young parents since FOS are tooth friendly.
Processing & Texture Compatibility: Disperses evenly in the thin chocolate coating without affecting gloss or snap, while harmonizing with the springy marshmallow center.
Product Information
Brand: Legendary Chocolatier So Co La Alva | Company: Legendary Vietnam
High-end high-cocoa no-added-sugar dark chocolate tablet with only 0.9g of total sugars per 80g.
Key Ingredients
FOS Value
Sweetness & Bitterness Balancing: Blended with maltitol to enrich sweetness layers, softening the bitterness and astringency of 85% high cocoa.
Texture & Functional Enhancement: Compensates for polyol blooming tendencies to keep a dense snap, while strengthening the premium healthy image of no added sugar and gut benefits.
About the Company
Baolingbao Biology Co., Ltd. (Stock Code: 002286)
Company Positioning & Capabilities
Founded in 1997, Baolingbao is an A-share listed health ingredient manufacturer focusing on enzyme and fermentation engineering, providing global customers with prebiotics like Frulyte™Fructo-oligosaccharides backed by mature enzymatic processes.
Customer Honors & Market Recognition
Recognized by global brands with honors like the Coca-Cola ESG and Sustainability Awards, Yili Low Carbon Pioneer Award, and Danone Outstanding Supplier Award, reflecting reliable global supply chain positioning.
Contact Us
baolingbao@blb-cn.com
