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Ginkgo Biloba
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

ADDR.: 68 Shan Xi Road, Suite 10-I# Yi-He Mansion, NanJing, China
TEL.:(0086-25)83243292; 83247202 FAX:(0086-25) 83241647; 83313786
Email:cmzhang@phyto-spring.com / cmzhang@jsmail.com.cn / phyto2spring@yahoo.com