Sustainable non-conventional blanching technologies for vegetable quality retention
Advanced blanching technologies using Ohmic, Microwave, and Radio Frequency Heating improve enzyme inactivation while preserving vegetable quality. These methods reduce processing time, energy, and water usage, making them sustainable for industrial applications.
Overview
This solution employs non-conventional blanching technologies to enhance enzyme inactivation in vegetables, ensuring high-quality retention. Utilizing methods like Ohmic Heating, Microwave Heating, and Radio Frequency Heating, the process offers rapid and uniform heating, significantly cutting down processing time, water usage, and energy consumption compared to traditional blanching. The integration of hybrid approaches, such as mild steam and calcium-based infusion, further enhances texture and color stability, supporting scalable and sustainable industrial applications.
Technical specifications
Key features:
- Ohmic Heating: Utilizes electrical currents for rapid and uniform heat distribution.
- Microwave Heating: Provides efficient volumetric heating, minimizing thermal damage.
- Radio Frequency Heating: Ensures deep penetration and uniform heating.
- Hybrid Approaches: Incorporates mild steam and calcium infusion to improve texture and color.
- Retort Processing Compatibility: Maintains quality during high-temperature treatments (up to 125 °C).
Technology readiness level
The technology is currently at TRL 2, involving basic research. Future phases include systematic evaluations, optimization of process parameters, and pilot-scale trials to advance towards industrial implementation.
About National Institute of Food Technology Entrepreneurship and Management
NIFTEM‑Kundli is a specialized national institute under India’s Ministry of Food Processing Industries and a designated Institute of National Importance focused on food technology, entrepreneurship, and management. Industry collaborates through co‑located pilot plants that support process development, scale‑up trials, and even licensed production for startups and MSMEs. A NABL‑accredited Centre for Food Research and Analysis and a central instrumentation facility provide quality and safety testing alongside advanced analytics, streamlining validation for regulatory and market entry. Research is supported by the Ministry of Food Processing Industries and competitive funding from national research agencies. A dedicated technology innovation and business incubation facility accelerates commercialization and startup formation, linking entrepreneurs with faculty expertise and pilot‑scale manufacturing.
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