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Test kitchen to industrial production

Fristam FS Blender achieves 3-5mm vegetable particles in salsa production

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Introduction to the application and industry overview

Scaling fresh-style sauces from pilot kitchen to full industrial throughput requires controlled particle size reduction, uniform solids suspension and hygienic continuous processing. Cantina-style salsa presents a specific challenge: vegetable particulates must be reduced evenly without over-shearing, preserving visible structure, fresh appearance and authentic mouthfeel. Inline rotor-stator shear blending enables repeatable texture control, rapid scale-up and clean-in-place hygienic operation, supporting efficient commercial sauce production.

Customer brief

A leading U.S. hot sauce manufacturer aimed to expand its portfolio with a smooth, consistent cantina-style salsa. Unlike chunky or fully puréed sauces, this product required evenly reduced onion, tomato and bell pepper pieces in the 3–5 mm range, suspended uniformly in a tomato-based liquid while maintaining fresh visual integrity and natural flavor perception.

The salsa had only been produced in a test kitchen using a conventional blender, leaving uncertainty around industrial scale-up, texture repeatability and hygienic processing. Already operating multiple Fristam pump technologies across their facility, the processor turned to Fristam to identify a scalable, low-risk production solution.

Fristam’s solution

Fristam recommended an FS Series Shear Blender with a 3522 rotor-stator combination engineered to deliver:

  • Precise, repeatable particle size reduction
  • Uniform solids suspension without puréeing
  • Preservation of fresh appearance, color and mouthfeel
  • Full clean-in-place (CIP) hygienic capability

The Fristam FS rotor-stator system creates controlled mechanical shear and turbulence, reducing vegetable particulates evenly while preventing texture loss. This allows cantina-style salsa to retain its authentic visual structure and sensory profile at industrial scale.

Trial set-up

1. Salsa from the cooker was delivered via a positive displacement pump to the The Fristam FS shear blender, which was installed downstream of the cooking vessel.

2. The Fristam Shear Blender unit operated at 3500 rpm, tested at 10 Hz, 20 Hz and 30 Hz, with particles compared at each stage.

3. The team found at 30 Hz, the FS shear blender achieved the ideal balance of shear and flow, producing a uniform reduction in vegetable particle size while preserving the salsa’s natural look and integrity. The entire trial was completed in under 60 minutes.

Fristam’s solution

A successful outcome with the Fristam FS Shear Blender

At 30 Hz, the FS shear blender achieved the ideal balance of shear energy and flow, producing:

  • Uniform 3–5 mm vegetable particle sizes for semi-smooth salsa
  • Stable solids suspension
  • Preserved fresh, natural appearance and flavor

The processor successfully scaled cantina-style salsa to commercial production, achieving store-shelf visual quality, hygienic operation and efficient processing using a simple, cost-effective inline solution.

Do you have any questions so far?

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Process / Product quality benefits

Process / Product quality benefits

  • Controlled uniform vegetable particle size reduction
  • Stable solids suspension without puréeing
  • Authentic fresh appearance, color and mouthfeel
  • Repeatable industrial-scale texture consistency
Sustainability benefits

Sustainability benefits

  • Lower product waste from off-spec texture
  • Reduced cleaning labor and downtime via CIP
  • Efficient energy use through controlled shear processing
Financial benefits

Financial benefits

  • Rapid scale-up from pilot to production
  • Avoided major equipment redesign or replacement
  • Reduced processing variability and product rejection
  • Cost-effective inline installation
Other benefits

Other benefits

  • Hygienic CIP-cleanable design
  • Fast trial validation (< 60 minutes)
  • Seamless integration with existing Fristam pumping systems

Similar applications

  • Chunky pasta sauces, relishes and chutneys
  • Tomato-based cooking sauces with vegetable inclusions
  • Fresh-style dips, guacamole and refrigerated condiments
  • Prepared meal components requiring particulate integrity

Beyond food, similar particle-control shear processes are used in pet food gravies, fermentation feeds and suspension-based liquid formulations, where uniform dispersion, hygienic cleanability and scalable throughput are critical for industrial production.

Frequently Asked Questions

Achieving controlled 3–5 mm vegetable particle size at industrial scale requires repeatable inline shear rather than batch blending or tank agitation.
The Fristam FS shear blender delivers defined mechanical shear and turbulence in continuous flow, enabling uniform particle reduction, stable solids suspension and consistent texture required for commercial cantina-style salsa manufacturing. It can be retrofitted to your line to deliver the desired shear after cooking in your vessel.

In addition to Mixing & Blending Technology – check out Fristam’s full range of Pumping Technologies suitable for the Food Industry.

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