Spices, Herbs Drying and Storage Moisture Problem | Bry-Air

နံ့သာမျိုးကို / ဟင်းသီးဟင်းရွက်ခြောက်သွေ့

BryairIndustries & Applications BADehumidifiers နှင့်အခြောက်ခံစက်များ၏ Applications ကိုနံ့သာမျိုးကို / ဟင်းသီးဟင်းရွက်ခြောက်သွေ့

Humidity Control for Spices/Herbs


Humidity Control for Spices/Herbs

A spice is a seed, fruit, root, bark, or other plant substance primarily used for flavoring, coloring or preserving food. Spices are distinguished from herbs, which are the leaves, flowers, or stems from plants used for flavoring or as a garnish. Sometimes, spices may be ground into a powder for convenience. Many spices have antimicrobial properties.

Effects of Uncontrolled Humidity

Dried and powdered spices being highly hygroscopic absorb moisture from the surrounding air when humidity is high and become sticky. This inhabits their free flow through the packaging machine. The damp powder also sticks to the wrapping paper slowing the process and creating hygiene problems. It also decreases the shelf life of the product.

Cardamom: Inadequately dried cardamom causes mould, making it unfit for processing. Fresh cardamom capsule has a moisture content of 85% of its total weight.

Cinnamon: Even leaves of cinnamon possess a substantial amount of volatile aroma which are lost if the leaves are dried at temperatures higher than 10°C (50°F).

Chillies: If not dried properly, fungus can grow while storage and hence reducing its taste and aroma.

Causes of Uncontrolled Humidity

The major  source of moisture is atmosphere. The spices are hygroscopic in nature and hence can absorb moisture from the surroundings and human presence.

General Recommendation



Temperature °C


30 – 35%


Dry Garlic

65 – 70%


Dry Onion

50 – 55%

10 – 20°C





18 – 20%

45 – 50°C

Bry-Air Solution

To retain the flavour, aroma, colour, freshness and to reduce product spoilage, spices have to be dried at low temperature. Bry-Air  range of Dehumidifiers provide optimum  drying at low temperatures  for all spices.

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