Whole mustard seeds have virtually no aroma but when ground the black mustard seeds have quite a strong aroma and flavour. In Asian cooking the seeds are used in pastes for curries.
Coriander has a sweet citrus taste and a spicy fragrance. Coriander is used in very large quantities in many cultures and is now one of the most commonly known spices in the UK
Cumin seeds have a sweet smell and a mellow flavour. In all countries that enjoy spicy food they are in many dishes. It is popular in curry powders. Dry roasted it goes into pilafs and breads. Suitable for vegetarians.