Kale and choy sum difference, as follows:
1, the taste is different, the taste of kale crisp, there is a little bit of bitterness, while the taste of choy sum is more on the side of tender. Kale, an annual herb of the cruciferous family.
2, the vegetable system is different, kale is a kind of collard greens. Is the collard family, while the heart of the cabbage is cabbage is cruciferous.
3, the color is different, kale is bluish, while cabbage is green or yellowish.
4, different in appearance, kale leaves are mostly undulate at the edges. There are a few conspicuous lobes, while the leaves of choy sum are oval or ovoid with narrow petioles and shallow grooves.
5, different places of origin, the origin of kale is Fujian and the two regions, the origin of cabbage heart is South China.
Tips for buying vegetables:
Vegetables with normal shapes are generally routinely cultivated and treated without excessive use of pesticides and chemical fertilizers, and can be safely consumed. Abnormal vegetables may be treated with hormones, such as leeks when its leaves are particularly wide and fat. Wider than the general wide-leafed leeks and 1 times, it may be in the cultivation process with a large number of chemical fertilizers to make leeks to increase production.
Many vegetables have a clear, sweet and pungent aroma and sweet and sour gas and other odors, should not have a rotten taste and other odors. If you find that the vegetables have a distinct odor, may be some vendors in order to make the vegetables look better, such as sulfur, nitrate and other chemical agents for soaking, these substances not only have a bad taste and is difficult to get rid of. This is not only a bad odor, but also very difficult to remove.