Salad is made of carrot, radish, tomato, cucumber, beetroot, etc. Branston also has flavoured pickles including Sweet Chilli and Beetroot flavoured pickle. Beetroot, asparagus, cabbage, corn and seafoods produce dimethyl sulfide when cooked. It was originally coloured with carrot or beetroot juice. Strict Jain cuisine excludes other root vegetables like carrots, beetroot, potatoes. "Aussie Burger" has tomato, lettuce, onion, cheese, bacon, beetroot, egg, ketchup and a meat patty. Marrows, beetroot, carrot, and some other vegetables can be boiled with sugar to create jams. Beetroot and fried onions are also common additions, and sometimes sliced pineapple. Popular "raita" include those based on carrots, eggplant, pumpkin, "dudhi" and beetroot respectively. Green, leafy vegetables and some root vegetables (such as beetroot) have high concentrations of nitrate. It is often served with ham or bacon, beetroot and stottie cakes. It was the first South African factory to produce Beetroot salad. In preliminary research, beetroot juice reduced blood pressure in hypertensive people. During the middle of the 19th century, wine often was coloured with beetroot juice. Beetroot or red food coloring may be used for the color.