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HOME ->
PRODUCTS -> SUNTHEANINE
SPECIFICATIONS
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ITEMS
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SPECIFICATIONS
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METHOD
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L-Theanine Content
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98.0% Min.
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HPLC
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Loss on Drying
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1.0% Max.
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105°
C, 3 hrs.
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Residue on Ignition
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0.2% Max.
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JSFA 6th ed.
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Specific Rotation
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+7.7° to +8.5°
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JSFA 6th ed.
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pH
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5.0 – 6.0
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JSFA 6th ed.
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Chloride
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0.021% Max.
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JSFA 6th ed.
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Arsenic (As2O3)
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4 ppm Max.
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JSFA 6th ed.
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Lead
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1 ppm Max.
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JSFA 6th ed.
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Mercury
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0.1 ppm Max.
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JSFA 6th ed.
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Total Aerobic
Plate Count
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1,000 CFU/g Max.
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Standard
Method Agar
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Coliforms
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Negative
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BGLB Method
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E. Coli
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Negative
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Fluorogenic Assay for
Glucuronidase
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Yeast
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100 CFU/g Max.
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JSFA 6th ed.
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Mold
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100 CFU/g Max.
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JSFA 6th ed.
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Salmonella
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Negative
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JSFA 6th ed.
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