Stevia-based natural sweetener formulation for beverage production

Overview

This research initiative focuses on developing stevia-based natural sweetener formulations for the beverage industry. Stevia is a non-carbohydrate plant-derived compound whose sweetness intensity reaches 100-300 times that of sucrose, making it an effective low-calorie alternative to traditional sugar. The project aims to use stevia either alone or as a supplement with other carbohydrate sweeteners to reduce sugar content in beverage products while maintaining desirable taste profiles.

The solution targets beverage manufacturers seeking cost-effective, natural sugar alternatives. From an economic standpoint, using stevia can reduce sweetener costs by up to 61% compared to cane sugar. Beyond cost savings, stevia offers documented health benefits including support for blood sugar regulation, cholesterol management, and blood pressure control, aligning with growing consumer demand for healthier beverage options.

Technical specifications

Key properties of stevia as a sweetener:

• Non-carbohydrate compound with zero caloric impact
• Sweetness intensity 100-300 times greater than sucrose
• Easily dissolves in water
• Mixable with other sweeteners without affecting food properties
• Pleasant taste profile
• Long shelf life and high-temperature tolerance
• Non-fermentative, preserving product stability

Active compounds responsible for sweetness:

• Stevioside (primary sweet glycoside)
• Steviolbioside
• Rebaudioside A-E
• Dulcoside

Additional nutritional content:

• Protein
• Vitamins A and C
• Essential minerals including sodium, zinc, magnesium, calcium, and phosphorus

Formulation approaches under investigation:

• Fresh leaf application
• Powder extract (dried at 100-120°C)
• Syrupy liquid extract (from boiling or soaking leaves in water)
• Comparison testing to determine the most effective form for sugar reduction
• Application testing across various juice formulations with quality and shelf life evaluation

Technology readiness level

This research is at an early-to-mid stage of development. The project team plans to begin by cultivating stevia locally, either through renting farmland for a one-year growth cycle or by purchasing stevia products directly from the market. Future validation will involve systematic comparison of different stevia forms to identify the most effective method for reducing traditional sugar content, followed by application testing in specific juice products to evaluate quality and shelf life outcomes. The research leverages existing knowledge of stevia's bioactive compounds and nutritional profile while developing practical formulation protocols for commercial beverage applications.