overview

Spina Date Seed  or Zizyphus jujuba seed extract is widely used for its medicinal value in improving sleep and combating anxiety. The extraction process directly affects the content and quality of its active components. The extraction techniques for Zizyphus jujuba seeds primarily include traditional methods and modern technology optimizations.

Extraction process of sour jujube kernels or Spina Date Seed

The extraction process of sour jujube kernels mainly includes the following steps:
1. Raw material preparation: Select mature jujube fruits, remove the flesh and core, and clean thoroughly.
2. Crushing: Crush the sour jujube kernels to increase the dissolution efficiency of effective ingredients.
3. Extraction: Different solvents (such as water, ethanol) are used for extraction, common methods include reflux extraction, ultrasound assisted extraction, etc.
4. Concentration: Concentrate the extract, remove the solvent, and increase the concentration of active ingredients.

5. Drying: Dry the concentrated solution into powder for easy storage and use.

Comparison of Extraction Processes
Hot reflux extraction - solvent containing 80% ethanol, extraction time -3 hours/time, 2 times, extraction temperature around 90 ℃, high content of active ingredients, simple operation, suitable for large-scale production
Ultrasonic assisted extraction system - solvent containing 70% ethanol, extraction time of 37 minutes, extraction temperature of around 50 ℃, high content of active

ingredients, high extraction efficiency, and short time 

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