PARAMETER

TEST METHOD

SPECIFICATIONS

TEST RESULTS

Appearance

Visual check

White Powder

White Powder

Rebaudioside A, % (wt/wt) on anhydrous basis

HPLC

≥ 97%

97.18%

Other Steviol Glycosides, % (wt/wt)

HPLC

≤ 1%

<1%

Sweetness

TASTE TEST

≥450

480

Ash, % (wt/wt)

AOAC 945.96

< 0.2

< 0.1

Specific Rotation,

on anhydrous basis

Polarimeter

-20° to -33°

-31°

Absorbance

UV

0.05Max

0.029

Moisture

Loss on drying method

3% Max

2.21%

Arsenic (as As), ppm

ICP MS AOAC

< 0.1

0.010

Mercury (as Hg), ppm

ICP MS AOAC

< 0.1

<0.005

Faecal Coliforms, MPN/g

Chapter 4, FDA

< 3

Not Detected

Total Coliforms, MPN/g

Chapter 4, FDA

< 3

Not Detected

Escherichia coli count, CFU/g

AOAC 991.14

< 10

Not Detected

Listeria

Tecra Unique

Negative / 11g

Absent

Salmonella sp.

Tecra Unique/

AOAC 2000.07

Negative / 25g

Absent

Staphylococcus aureus, CFU/g

Chapter 12, FDA

< 10

Not Detected

Total Plate Count, CFU/g

AOAC 990.12

< 1000

Not Detected

Total Yeast, CFU/g

AOAC 997.02

< 100

Not Detected

Total Mould, CFU/g

AOAC 997.02

< 100

Not Detected