Dyed millet, yellow rice rapid test kit instruction manual

Product number: YPHM-56

1 introduction

millet is also known as corn, small yellow rice, yellow millet. Millet contains a variety of vitamins, proteins, fats, sugars and calcium, phosphorus, iron and other essential nutrients for the human body, and at the same time has the functions of nourishing the kidney, removing heat and detoxifying. It can treat nausea and vomiting, spleen and stomach hypothermia, diarrhea and other diseases. Millet and yellow rice have mildew and lose their edible value. After speculators rinse them, they dye them with pigments to make them bright yellow in color, which seriously endangers the interests of consumers.

2 Detection principle

The pigment in the dyed millet and yellow rice reacts with the detection reagent to determine whether it is dyed millet.

3 Detection range

millet and yellow rice.

4 Technical indicators

Qualitative

5 You need to bring your own tools

balance (0.1-100 g), 1-5 ml pipette (optional), timer, 1 ml straw, 7 ml plastic tube, 1.5 ml detection tube

6 sample determination

6 Take millet, yellow rice sample 0.5g into a 7 ml plastic tube, add 5 ml of reagent A with a 5 ml pipette or pipette, shake repeatedly and let stand.

6.2 Take 1 ml of the above supernatant with a 1 ml pipette into the detection tube, add 2 drops of reagent B dropwise, shake well, and let stand for 1 minute to observe the color development of the solution.

6.3 If the color change reaction occurs, and the color is orange-red, it is dyed rice; if it does not change color, it is undyed rice.

7 Precautions

7.1 If the color is not good to judge the supernatant of the sample, the positive sample needs to be re-tested three times.

7.2 This product is only used for initial screening, and the final results are subject to the relevant national standard methods.

8 Storage conditions and valid period

Reagents are stored in a cool and dry place at 4-30 ° C, and the valid period is 12 months.

9 Kit composition

Serial number

Specifications

Composition

10 times/box

50 times/box

100 times/box

1

reagent A

1 bottles

2 bottles

3 bottles

2

reagent B

1 bottles

1 bottles

1 bottles

3

1 copies

1 copies 11727