Items

      Specification

Result

Description

Slightly yellow solid or yellow oily liquid, EP

Conform

Identification

 A: Thin-Layer Chromatographic

 B: Related substance

 C: Color reaction

To conform, EP

To conform, EP

To conform, EP

Conform

Related substance ratios

 A300/A326

 A350/A326

 A370/A326

≤ 0.60, EP

≤ 0.54, EP

≤ 0.14, EP

0.58

0.52

0.12

Retinol

≤ 1.0% , EP ( or HPLC)

n.d

Acid Value

≤ 2.0% , EP

0.7

Peroxide value

≤10.0, EP

1.2

Heavy metals ( as pb)

≤ 5 mg/kg, CP

Less than 5 mg/kg

Arsenic

≤ 1 mg/kg, CP

Less than 1 mg/kg

Microbiological tests

  Total bacteria count

  Total mold& yeast count

  Coliforms

  Salmonella

≤ 1000 cfu/g, GB/T 4789

≤ 100 cfu/g, GB/T 4789

Less than 30 mpn 100G, GB/T 4789

n.d /10g, SNO332

Less than 10 cfu/g

Less than 10 cfu/g

Less than 30 mpn/100g

 n.d

Assay

≥1,700,000 IU/g, EP  

1,757,000 IU/g

Conclusion

 Conforms to EP