Bitter gourd (Momordica charantia) is an important vegetable crop and is grown for its immature tuberculate fruits which have a unique bitter taste. Fruits are considered as a rich source of vitamins and minerals and 88 mg vitamin C per 100 g.

Broccoli is an edible green plant in the cabbage family whose large flowering head and stalk is eaten as a vegetable. The word broccoli comes from the Italian plural of broccolo, which means “the flowering crest of a cabbage”, and is the diminutive form of brocco, meaning “small nail” or “sprout”.

Cauliflower is one of several vegetables in the species Brassica oleracea in the genus Brassica, which is in the Brassicaceae family. It is an annual plant that reproduces by seed. Typically, only the head is eaten – the edible white flesh sometimes called “curd”.

The zucchini or courgette is a summer squash, of Mesoamerican origin, which can reach nearly 1 metre in length, but is usually harvested when still immature at about 15 to 25 cm. A zucchini is a thin-skinned cultivar of what in Britain and Ireland is referred to as a marrow.

White onion is a cultivar of dry onion, that has a pure white papery skin and a sweet, mild white flesh. Similar to red onions, due to the high sugar content, they have a short shelf life, lasting up to 2 days, or if refrigerated, they can last up to a month.