Indicator

No.

Item

Unit

standard

result

indicators of sensory

1

color

/

the original purple

Normal

ok

2

odor

/

potato flavor

Normal

ok

3

Taste

/

 No impurities

Normal

ok

physical and chemical indicators

4

moisture

%

≤11

8.6

ok

5

ash

%

≤3

2.7

ok

6

fineness

%

≥95

99

ok

health indicators

7

Pb

mg/kg

≤0.50

0.12

ok

8

As

mg/kg

≤0.50

No

ok

9

Hg

Ug/kg

≤0.50

1.2

ok

microbial indicators

10

the Viable counter

cu/g

≤30000

1900

ok

11

microzyme

cu/g

≤10

10

ok

12

Mildew

cu/g

≤250

50

ok

13

E. coli

mpn/100g

≤1000

450

ok