A table 3.3 from ch 3 Mindful eating Class VI

Class VI Science: Nutrient Testing Observations

Table 3.3: Exploring Nutrients Present in Various Food Items

Name of the Food Item	Colour of the Food Item for Starch Test (Before Iodine Test)	Colour of the Food Item for Starch Test (After Iodine Test)	Oily Patch for Fat Test (Prediction: Yes/No)	Oily Patch for Fat Test (Observation: Yes/No)	Colour of the Food Item for Protein Test (Before Protein Test)	Colour of the Food Item for Protein Test (After Protein Test)	Starch Present (Yes/No)	Fat Present (Yes/No)	Protein Present (Yes/No)
Potato	White	Blue-black	No	No	White	White	Yes	No	No
Cucumber	Green	Green	No	No	Green	Green	No	No	No
Boiled Rice	White	Blue-black	No	No	White	White	Yes	No	No
Boiled Gram	Yellowish	Yellowish	No	No	Yellowish	Violet	No	No	Yes
Peanuts	Light brown	Light brown	Yes	Yes	Light brown	Violet	No	Yes	Yes
Bread/Chapati	Light brown	Blue-black	No	No	Light brown	Light brown	Yes	No	No
Butter	Yellow	Yellow	Yes	Yes	Yellow	Yellow	No	Yes	No
Coconut	White	White	Yes	Yes	White	White	No	Yes	No
Egg (Boiled)	White/Yellow	White/Yellow	Yes	Yes	White/Yellow	Violet	No	Yes	Yes

Observations based on Activities 3.5, 3.6, and 3.7 (pages 14–16):

• Starch Test (Activity 3.5): A blue-black color after adding iodine indicates starch presence. Potato, boiled rice, and bread/chapati turn blue-black due to high starch content. Cucumber, boiled gram, peanuts, butter, coconut, and egg do not show this change.
• Fat Test (Activity 3.6): An oily patch on paper indicates fat presence. Peanuts, butter, coconut, and egg show oily patches due to their fat content. Potato, cucumber, boiled rice, boiled gram, and bread/chapati do not.
• Protein Test (Activity 3.7): A violet color after adding copper sulphate and caustic soda indicates protein presence. Boiled gram, peanuts, and egg turn violet due to their protein content. Potato, cucumber, boiled rice, bread/chapati, butter, and coconut do not.
• Additional Item: Egg (boiled) was added as an extra food item, consistent with protein-rich animal sources (page 7).
• Conclusion: Peanuts and egg contain multiple nutrients (fat and protein). Most foods contain at least one nutrient, but cucumber lacks all three tested nutrients.