| ≥1 piece |
Detailed introduction to Theanine (100% pure L-form):
- Dongbu HiTek produces theanine by a unique process to guarantee the high quality (PCT/KR2006/001870)
Product Purity of Dongbu Hitek Theanine
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High purity (up to 98%) of theanine
Appearing as white powder with no smell and no taste
Single peak observation in HPLC analysis (HPLC area % > 99.9)
Very soluble and stable in water
Stable in general storage conditions
L-Theanine Specification
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Appearance White powder
Assay (HPLC %) 98.0 ~ 102.0
Appearance of Solution Transparent
Specific rotation, [α]20D +7.7 ~ +8.5?
Moisture (%) NMT 5
pH 5 ~ 6
Chlorides (ml) NMT 0.3
Residue on ignition (%) NMT 0.2
Lead(Pb mg/kg) Not detected
Arsenic (As mg/kg) Not detected
Cadmium(Cd mg/kg) Not detected
Mercury(Hg mg/kg) Not detected
Total microbes (cfu/g) NMT 1000
Coliforms (cfu/g) Negative
Theanine, produced by Dongbu HiTek co., LTD., is highly pure and good fluidity. It can be made into capsules and tablets easily, and can be mixed with beverages.
A typical intake is 100~250 mg / day.
Reaction time : 30 min
Cautions : none
Drug Interaction : None known
No degradation : at 121, pH 3.0~6.6
Our L-Theanine is certified by Korean FDA as a food ingredient in 2006, and as a health ingredient in 2008.