The nutrients that we bring a lot of color if you have protein experiment turns purple. If you do not have a protein or protein a little color is changed to blue or dark blue. The test can be done by reduction test.
Food we brought a lot of protein experiments the color turns purple. If no protein or protein less the color changes to blue or dark blue. The test can be done by reducing exam.
The nutrients we try if protein color change the color purple. If no protein or protein is less color will turn blue or dark blue Testing reduce steam can do.