Question

What is the difference between rai and mustard seeds?

Answer 1

Hint: Both rai and mustard seed belongs to the family Brassicaceae. There are around 40 varieties used to make mustard seeds. They are mostly used for their aroma and exotic flavour in Indian dishes.

Complete answer:
The distinction between a rai and mustard seed is that the former is of black colour whereas the later has a yellow colour. Both of them are mustard seeds obtained from the mustard plant which is a cruciferous vegetable related to broccoli, Brussels sprouts and cabbage.

Let us learn about both the seeds in further detail and understand the difference. The main usage of both of them is for tempering or tadka, which is a staple for most Indian cuisines.
Rai- this is also known as the black mustard or Brassica nigra. It is a round hard seed that varies in colour from dark brown to black. It is smaller as well as pungent than its white variety of mustard seed. It is mainly used for seasoning food and as a powder.

Mustard seed- brassica hirta and Brassica alba is the scientific name for yellow mustard seed. It is round and hard. This seed is first processed so that the outer skin is removed before it is used for commercial use. It possesses a light flavour but has preservative qualities.

Rai mustard seeds

Yellow Mustard seeds

Note:
- Mustard seeds possess antibacterial properties that make them survive for a longer time and bacteria, moulds etc. do not have a chance to grow on them.
- Mustard seeds should be kept in a vacuum package or air-tight package in a cool dark place so that it does not lose it’s pungency soon.