Flower & Herbal Medicine Drying Machine

Introduction

Working principle

The working principle of a Flower & Herbal Medicine Drying Machine is based mainly on controlled hot-air circulation and moisture removal. It dries flowers and medicinal herbs at relatively low, controlled temperatures to preserve their active ingredients, color, aroma, and medicinal properties.

Protecting Active Compounds: Many critical active ingredients in flowers and herbs are heat-sensitive. For instance, chlorogenic acid in honeysuckle can decompose at temperatures above 60°C, leading to significant loss of medicinal value . Hot air drying allows for precise temperature regulation, often within a range of 40-60°C, which has been shown to be effective for preserving these compounds . For example, drying honeysuckle with hot air can limit the loss of chlorogenic acid to under 10%, compared to over 30% with sun drying .

Scientific Evidence for Quality: A comprehensive study on Astragalus slices found that hot air drying at 40°C achieved the highest overall quality score, correlating with higher levels of key marker compounds . Similarly, research on Moslae herba and mint indicates that drying at 40-60°C positively affects the retention of total phenolics, flavonoids, and volatile components like thymol and menthol .

FAQ

1. Q: What materials can the Flower & Herbal Medicine Drying Machine dry?
A: The drying machine is suitable for a wide range of flowers, medicinal herbs, aromatic plants, leaves, roots, stems, and herbal materials. Typical applications include chrysanthemum, rose, jasmine, lavender, mint, honeysuckle, calendula, and other heat-sensitive botanical products.

2. Q: What temperature is recommended for drying Garcinia Cambogia?

A: The drying temperature typically ranges from 50°C to 70°C, depending on the moisture content and product quality requirements.

3. Q: Can the drying temperature be adjusted?
A: Yes. The machine is equipped with an adjustable temperature control system. Operators can set the drying temperature according to the type, moisture content, and heat sensitivity of the herbal material.

4. Q: Will hot-air drying damage the active ingredients of medicinal herbs?
A: Excessive temperature or inappropriate drying conditions may affect heat-sensitive constituents. However, properly controlled hot-air drying can be used for many medicinal materials. The optimal temperature and drying time should be established for each specific herb to balance drying efficiency and quality preservation.