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Date: 2025-05-04
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Ginkgo Biloba P.E.
CERTIFICATE OF ANALYSIS
Item Contracted Standard     RESULTS
Batch No.   2K0313
Quantity   500KGS.
Outer appearance Slightly yellow powder Slightly yellow powder
Taste bitter Bitter
Solubililty Soluble in 50% alcohol Complied
Total Ginkgo Flavonoide (Etheroside A.B. etc.) >=24% (by HPLC ) 25.96%
                Q:    12.49%
                K:    10.54%
                I:     2.93%
Total Terpnoides Lactones (Terpnoide A.B.C.&Bilobalide...etc) >=6% (by HPLC)  8.52%
              GA    3.28%
              GB    1.82%
              GC    1.08%
Bilobalide     ( BB )    2.34%
Loss on drying <=3% 1.46%
Residue of ignition <1% 0.33%
Residue of alcohol   0.082%
Insolubles in ethanol   4.5%
Heavy Metals (Pb) <20ppm <20ppm
Arsenic <3ppm 0.3ppm
Residue of Pesticides Negative Negative
Bacterial count <1000/g <100/g
Fungal(Yeasts) <100/g <50/g
E.coli. Negative Negative
Tested date   April 3,2000
Tested by    
Director of quality control   ZCM

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