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A gradient of red cabbage extract pH indicator from acidic solution on the left to basic on the right. Red cabbage contains an anthocyanin-based dye that can be used as a pH indicator. It is red, pink, or magenta in acids (pH < 7), purple in neutral solutions (pH ≈7), and ranges from blue to green to yellow in alkaline solutions (pH > 7). [7]
123rf. Beets are a nutrient-dense root vegetable with a striking purple hue. They’re an excellent source of folate, vital for cell growth and DNA repair. Beets are known to improve blood flow ...
It recommends eating whole fruits and vegetables rather than juicing them to get the most fiber, and choosing deeply-colored produce such as purple cabbage, sweet potatoes, broccoli, pomegranate ...
Also, the compound that gives purple cabbage that vibrant color can turn blue when mixed with any alkaline substance—which most tap water contains. Simply add some acid to the recipe-like lemon ...
Purple cauliflower contains anthocyanins. Anthocyanins (from Ancient Greek ἄνθος ( ánthos ) 'flower' and κυάνεος / κυανοῦς ( kuáneos/kuanoûs ) 'dark blue'), also called anthocyans , are water-soluble vacuolar pigments that, depending on their pH , may appear red, purple, blue, or black.
Cabbage plants Cruciferous vegetables are vegetables of the family Brassicaceae (also called Cruciferae) with many genera, species, and cultivars being raised for food production such as cauliflower , cabbage , kale , garden cress , bok choy , broccoli , Brussels sprouts , mustard plant and similar green leaf vegetables .
Yep—Chinese cabbage and chard come in second and third, respectively, on the CDC's list of healthiest fruits and vegetables. Chinese cabbage scored 91.99, while chard nabbed 89.27.
Cabbage heads are generally picked during the first year of the plant's life cycle, but plants intended for seed are allowed to grow a second year and must be kept separate from other cole crops to prevent cross-pollination. Cabbage is prone to several nutrient deficiencies, as well as to multiple pests, and bacterial and fungal diseases.