HiSiaddi is an innovative foreign trade service provider driven by dual engines of technology transformation and foreign trade services. It has established a "1+2+3+4=1" service system and can supply hydroxypropyl starch (HPS) from multiple well-known original manufacturers.
As a foreign trader with independent R&D capabilities, HiSiaddi frequently proposes HPS formula optimization plans and application improvement suggestions through technological cooperation with factories and accurate market insight. Below is a technical support case of HPS formula optimization consulting delivered by HiSiaddi.
For more formula optimization consulting services, please contact HiSiaddi customer service.
The buyer, Nordic Select, a premium food group headquartered in Helsinki, Finland, is a benchmark mid-to-high-end dairy enterprise in Northern Europe. Its core product lines include low-temperature live-culture yogurt, additive-free plant-based mousse, and refrigerated fruit yogurts, sold in high-end supermarkets and organic retail chains across Nordic countries. All products comply with EU Regulation EC1333 on food additives, German LFGB standards and Clean Label specifications, with an annual HPS procurement volume of 41 tons, long sourced from modified starch manufacturers native to Finland.
Faced with consecutive price hikes of Nordic chemical raw materials, extended delivery cycles from local factories and raised minimum order quantities, the client launched a localization substitution procurement program for Chinese HPS. It independently sourced commercially available standard cassava-based HPS from two domestic starch manufacturers.
After raw material delivery and production launch, systematic production failures occurred across all product lines. While lab small trials yielded qualified results, large-scale mass production repeatedly failed, resulting in raw material and semi-finished product losses exceeding EUR 7,200 and delaying the new product launch plan indefinitely. The client’s R&D team is proficient in European starch application systems but lacks expertise in physical and chemical properties of domestic HPS, differences in modification indicators and shortcomings of domestic production processes. Repeated adjustments to additive ratios, sterilization temperatures and homogenization parameters failed to resolve root defects. Recommended by the Finnish Food Industry Association, the group entrusted HiSiaddi with full-chain technical services including physical and chemical testing of raw materials, formula reconstruction, workshop production process rectification and fine-tuning of HPS indicators. Equipped with food ingredient application engineers, HiSiaddi differs from traditional pure supply-focused traders by dissecting root causes from three dimensions: raw materials, formulas and production lines.
HiSiaddi technical staff cross-referenced on-site production data from the Finnish factory and conducted full physical & chemical testing of stocked domestic HPS samples (hydroxypropyl substitution degree, gelatinization temperature, freeze-thaw stability, powder fineness, ash impurities), benchmarked against imported Finnish HPS parameters, and identified four core failure causes:
1. Water separation & stratification of low-temperature live-culture yogurt (weak acid fermentation system pH 4.0~4.2): Standard domestic HPS only features a hydroxypropyl substitution degree of 0.061, far below the 0.085~0.092 standard of imported specialized grades. Starch molecular chains readily hydrolyze and break in weak acid environments, failing to form a dense water-locking network structure. The client retained the imported starch additive dosage of 1.02%; increasing the dosage to 1.5% yielded overly thick, sticky yogurt inconsistent with the brand’s refreshing Clean Label positioning, while reducing dosage caused massive whey separation within a 20-day shelf life. Trace soluble inorganic salts remaining in raw materials disrupted lactic acid bacteria fermentation balance and further aggravated colloid breakdown and water bleeding.
2. Collapse & water seepage of plant-based mousse after repeated freeze-thaw cycles: Mousse requires frozen storage at -18℃ and thawing for room-temperature sales. Standard domestic HPS delivers poor freeze-thaw performance with an 8.2% water separation rate after five freeze-thaw cycles, far exceeding the ≤3.5% threshold of imported raw materials. Uneven starch particle size (80~95 mesh) leads to poor dispersion during feeding; powder agglomerates during high-speed whipping, leaving visible white granular defects inside mousse and insufficient structural support for shaping, resulting in shrinkage and collapse after thawing.
3. Sharp viscosity drop of fresh fruit yogurt after high-temperature sterilization: Fruit yogurt undergoes short-term pasteurization at 95℃. Standard HPS lacks sufficient heat-resistant modification, leading to excessive starch gelatinization and molecular degradation under high temperatures, with viscosity declining by over 35% post-sterilization, resulting in thin finished products with poor coating performance that fail sensory acceptance standards of terminal supermarkets.
4. Poor compatibility with workshop feeding processes: Original imported HPS is ultrafine 120-mesh powder capable of dry premixing with white granulated sugar. Domestic raw materials feature larger particle sizes; the client retained the original feeding method of direct dry powder addition to hot liquid above 70℃, triggering instantaneous over-gelatinization and agglomeration of local starch. Homogenizers cannot break down agglomerated particles, leaving visible white specks in finished products that damage the appearance of premium-grade goods.
HiSiaddi eliminated manufacturers adhering to fixed mass production processes unwilling to adjust etherification parameters, and selected two starch factories with independent wet modification dedicated lines and FSSC22000 export certifications. Propylene oxide feeding volume, reaction temperatures and neutralization & washing procedures were adjusted to develop differentiated customized HPS for the three product lines: ① Yogurt-special HPS: Substitution degree locked at 0.083~0.089, deep washing to reduce soluble salt impurities for compatibility with weak acid fermentation systems. ② Mousse-special HPS: Low-temperature slow-release modification for enhanced freeze-thaw stability, water separation rate controlled within 3.3% after five freeze-thaw cycles, uniformly jet-milled to ultrafine 120 mesh. ③ Fresh fruit yogurt-special HPS: Medium-to-high hydroxypropyl modification for improved heat resistance, viscosity retention ≥88% after sterilization at 95℃. Each batch of samples is accompanied by English COA and LFGB test reports and air-shipped to Finland for retesting in batches.
While retaining core raw materials including milk, plant protein and fresh fruit puree, optimized additive dosages and micro-compounding schemes were developed based on physical and chemical data of newly customized HPS to avoid texture imbalance caused by simple starch dosage adjustments:
1. Live-culture yogurt: HPS dosage reduced from the temporary 1.5% to 1.05%, compounded with 0.032% locust bean gum for synergistic colloid water retention, eliminating water separation while preserving the smooth mouthfeel of yogurt.
2. Plant-based mousse: Fixed HPS dosage at 2.2%, with trace citrate buffer salts added to optimize system pH stability and reduce moisture migration during storage.
3. Fresh fruit yogurt: HPS dosage lowered to 1.18%, optimized fruit puree feeding sequence to reduce starch degradation losses from instantaneous contact between fruit acid and high temperatures.
1. Optimize pre-feeding treatment: Mandatory dry premixing of HPS and white granulated sugar at a 1:9 ratio to break up powder agglomerates and eliminate direct dry powder addition to hot liquid.
2. Segmented temperature control: Heat yogurt base material to 68℃ before adding pre-mixed starch for low-temperature gelatinization; pre-swell starch in room-temperature water for fruit yogurt before adding acidic fruit puree after cooling, avoiding dual damage to starch structure from high temperature + strong acid.
3. Fine-tune homogenization parameters: Slightly increase two-stage homogenization pressure for mousse to refine mixed particle sizes of oil and starch, enhance emulsification stability and homogenize internal air bubbles.
After 8 consecutive days of full-working-condition industrial trial production, indicators of all three finished products fully matched the quality benchmark of native Finnish imported starch: low-temperature yogurt maintained uniform texture without whey separation over 90 days of refrigeration at 4℃; plant-based mousse retained intact shape after five freeze-thaw cycles with stable whipping shaping; fresh fruit yogurt maintained stable viscosity post-sterilization with uniform texture free of thinning over a 60-day shelf life. The finished product defect rate dropped from 24.1% before rectification to 2.6%, passing incoming quality inspection for organic supermarkets across Northern Europe.
The client formally signed an annual 41-ton HPS framework procurement contract: 17 tons for yogurt, 14 tons for mousse, and 10 tons for fresh fruit yogurt, with monthly production scheduling across 10 batches throughout the year. The comprehensive procurement cost of domestically customized HPS is 30.2% lower than native Finnish imported equivalents, cutting annual raw material procurement costs by EUR 92,000. The group launched a new organic grain yogurt product line the following year with an additional 6.9 tons of customized HPS ordered. All subsequent modified starch raw material procurement and formula technical coordination for the group have been fully entrusted to HiSiaddi.
1. Nordic Select Mid-to-High-End Dairy Group: Successfully completed high-quality localization substitution of raw materials, eliminating supply chain drawbacks of high local Nordic raw material prices and constrained delivery cycles. New products launched on schedule to capture market share in Northern Europe’s organic dairy sector, avoiding economic losses from previous sample testing waste.
2. Two Domestic Modified Starch Manufacturers: Three standardized modification processes for specialized HPS were finalized based on this benchmark Northern European project. Customized products command a 35% premium over standard mass-produced starch. Leveraging cooperation credentials with the leading Nordic client, sample trial orders were secured from two premium beverage enterprises in Sweden and Norway, escaping low-price homogenization competition within the domestic starch industry.
3. HiSiaddi Foreign Trade Service Provider: A full-chain technical service system for HPS foreign trade was refined: raw material physical & chemical testing → root failure diagnosis → upstream process fine-tuning → terminal formula optimization → workshop process implementation → order delivery follow-up. Supported by technical service barriers, cooperation on modified starch sourcing has expanded with mid-to-high-end food brands across Western Europe.
Most domestic starch manufacturers prioritize mass production of standard-grade HPS with fixed modification processes, unable to meet specialized acid-resistant, heat-resistant and freeze-thaw requirements of segmented formulas from mid-to-high-end European and American food brands. Premium overseas food brands develop formulas based on native customized starch; substituting standard domestic raw materials readily triggers water separation, bleeding and viscosity loss, which cannot be fundamentally resolved solely through minor dosage adjustments by enterprises themselves. As a technically driven foreign trade partner bridging upstream and downstream industries, HiSiaddi collaborates with factories to fine-tune HPS modification indicators while optimizing clients’ formulas and production processes, delivering three-way win-win outcomes: clients achieve cost reduction and stable production, domestic manufacturers gain access to high-value overseas ingredient markets, and the service provider builds differentiated technical service barriers.
For more formula optimization consulting services, please contact HiSiaddi customer service.
+86-13120989737 
info@hisiaddi.com 
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