red dye foods

Eosine Test to Demonstrate Ascent of Sap A leafy green shoot of Balsam plant with a transparent stem is placed in eosine solution. It is noticed that after some time red streaks appear in the stem and veins of leaves become red. When transverse section of stem is taken it i..

Natural Dyes (Alizarin and Indigo) - Dyes can also be classified as natural and synthetic dyes. Compounds extracted from plants are called natural dyes. These were used in olden days to color fabrics. Alizarin (red) and indigo (blue) are two example..

This cow is medium in size and red in colour with dark and light shades of red. Red sin..

There are 30 Red Delicious apples, 25 Golden Delicious apples, and 40 Red Rome apples in a food store. Identify the appropriate pictograph that matches the data. => Figure 1 or Figure 2 or Figure 3 or Figure 4..

Food material Adulterant Cereals such as wheat, rice Mud,grit,soapstone Dal Kesari dal,metanil yellow(a dye) Haldi(turmeric)powder lead chromate Dhania powder Powdered cowdung or horsedung, starch Black pepper Dried papaya seeds Chilli powder Saw d..

Foods [Starch, sugar, fats, vitamins, proteins] Fuels [Wood, coal, alcohol, petrol] Household and commercial articles [Paper, soap, cosmetics, oils, paints] Textile fabrics [Cotton, wool, silk, linen, rayon, nylon] Drugs and disinfectants [Pencillin, quinine, asprin, sulpha ..

. Litmus, a purple dye extracted from the lichen plant, is commonly used as an indicator in laboratories. Acids change the colour of litmus solution to red, and bases change the colour of litmus solution to blue. Turmeric is another common household indicator. A stain of turmeri..

Carbon is an element which is of immense significance to us in both its elemental form and in the combined form. Most of what surround you will some compounds of carbon, including your family members and pets! The list given below illustrates the importance of carbon compounds in our daily life: ..

>Take a rectangular strip of chromatography paper (if available, otherwise a better type of filter paper will do). Draw a line with a pencil at about three centimetres height from the base of this paper. Place a drop of black ink on the pencil line. Choose three or four dyes, for e.g., ..

Iron is an important mineral as it is essential for the formation of haemoglobin. Haemoglobin is a red pigment that carries oxygen in the red blood cells. Pregnant and lactating mothers need more of iron. The foods like green leafy vegetables, groundnuts, ragi, liver,..