You are free to spice your food as you wish. Some people just like to use salt and black pepper. I have sometimes used a mixture of ketchup, mustard, and mayonnaise, which works very nicely for some dishes. You can use barbecue sauce (which comes in many different varieties) if you like. Experiment with seasoning and find out what tastes good to you.
You can use dry mustard to substitute for turmeric on a one to one ratio: 1 teaspoon dry mustard = 1 teaspoon of turmeric.
You could use curry powder, or mustard powder, but they have a stronger flavor.
Turmeric is in the ginger family. So any other ginger would have some similarity, though not exactly the same.
The proper substitution depends on the specific dish being prepared. A mild curry powder might substitute for tumeric in an Indian dish, while mustard powder might be better in other dishes.
Turmeric Powder is one substitution.
Turmeric is yellow in an acidic solution.
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Turmeric is a common substitute for saffron because saffron is very expensive to buy but if a recipe calls for turmeric you can use saffron instead.
Use bleach.
There is no real substitute for saffron. However, you can use turmeric (but be careful when using as turmeric, it has a very strong taste and a little bit too much can overpower the flavour of the dish).
A piece of turmeric which when crushed gives you a turmeric powder
turmeric: pasupu పసుపు
Cayenne Pepper, Perhaps? Used sparingly, at least compared with the amount of chili powder you would normally used.
Yes, you can safely freeze turmeric.
Yes. My father is a diabetic and he makes curry all the time.
Turmeric is used as a face pack as a disinfectant, for removing spots and pimples. You need high quality turmeric for this. Also remember it can make you look yellow if not removed properly.But just forehead, you may be asking about Tilak used by Hindus. Some Hindu sect priests and munis use turmeric on their foreheads. In some festivals or rituals we, Hindus wear turmeric tilaks. It's not for medical reasons or beautification.