items

standard

result

physical data

source

hen egg white

confirm

appearance

white powder

confirm

moisture

≤6.0%

5.30%

ph

3.0-5.0

3.11

activity of enzyme

20000units fip/mg min

22800 fip units /mg

ash

≤2.0%

0.06%

purity

≥99%

confirm

heavy metal

<10ppm

<10ppm

lead

<5.0ppm

<5.0ppm

arsenic

<1.0ppm

<1.0ppm

mercury

<1.0ppm

<1.0ppm

microbiology

total plate count

≤10,000cfu/g

800 cfu/g

staphilococcus aureus

absent/g

absent

enterobacteriacae

absent/g

absent

eschrichia coli

absent/g

absent

yeast

<10/g

<10/g

moulds

<10/g

<10/g

salmonella

absent/25g

absent

storage

stored humidity protected, (rh less than 60) at temperature below 25℃