Brassicaceae greens, Savoy, kohlrabi, and gai lan ("Brassica oleracea"), turnip, napa cabbage, bomdong, bok choy and rapini ("Brassica rapa"), rocket salad/arugula ("Eruca sativa"), garden cress ("Lepidium sativum"), watercress ("Nasturtium officinale") and radish ("Raphanus") and a few spices like horseradish ("Armoracia rusticana"), "Brassica", wasabi ("Eutrema japonicum"), white, Indian and black mustard ("Sinapis alba", "Brassica juncea" and "B. nigra" respectively). Vegetable oil is produced from the seeds of several species such as "Brassica napus" (rapeseed oil), perhaps providing the largest volume of vegetable oils of any species. Woad ("Isatis tinctoria") was used in the past to produce a blue textile dye (indigo), but
Vegetable soup varieties. Vegetable soup Vegetable soup is a common soup prepared using vegetables and leaf vegetables as primary ingredients. It dates to ancient history, and is a mass-produced food product in contemporary times. Vegetable soup is prepared using vegetables and leaf vegetables as main ingredients. Some fruits can also be used, such as tomato, squash, and others. Vegetable soup can be prepared as a stock- or cream-based soup. Basic ingredients in addition to vegetables can include beans, tofu, noodles and pasta, vegetable broth or stock, milk, cream, water, olive or vegetable oil, seasonings, salt and pepper, among myriad others. Some vegetable