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home > FAQ > Plant Extract > Camellia sinensis leaf extract 20% L-theanine HPLC. DER 25:1

Camellia sinensis leaf extract 20% L-theanine HPLC. DER 25:1

2026-05-13

What is Camellia sinensis leaf extract?

Camellia sinensis (Green Tea) leaf extract standardized to 20% L-theanine by HPLC at a 25:1 extraction ratio. Water and alcohol extracted with excellent water solubility.

Key Health Benefits

1. Promotes Relaxation
L-theanine increases alpha brain wave activity, promoting calm alertness without drowsiness.

2. Supports Cognitive Function
Works synergistically with caffeine to improve focus, attention, and mental performance.

3. Reduces Stress
L-theanine modulates neurotransmitter levels, helping manage stress and anxiety naturally.

4. Immune Support
Green tea polyphenols and L-theanine support immune cell function.

5. Cardiovascular Health
Antioxidant properties support healthy cholesterol levels and blood pressure.

Product Specifications

Botanical NameCamellia sinensis (L.) Kuntze
Part UsedLeaf
Assay≥ 20% L-theanine (HPLC)
DER25:1
SolubilityGood water solubility

Applications

  • Stress relief supplements
  • Focus and cognitive enhancement
  • Relaxation beverages
  • Sleep support formulations

Quality Standards

Manufactured under ISO 22000, HACCP, and GMP standards.

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