How long is the shelf life of purslane
The shelf life of purslane is usually 12 months. Generally speaking, if the seaweed appears to be expired, it is best not to eat it. If you can't finish it after opening it, place it in a ventilated dry place and put it in 1 month, and then you can't eat it after the expiration date. Purple cabbage after the expiration date there is no obvious change, there will not be mold, but its internal corruption has been, not suitable for further consumption. Shelf life is the main planning of the best food is the date of consumption, once after this time, the quality of food, food, food taste, food texture and food nutrients will change, and will be oxidized by substances in the air or even mildew, dried seaweed to the color of purple, no sediment impurities, dry is good. On the contrary, the quality is poor. If the cool water soaked nori was blue-purple, indicating that the drying of the dish, before packaging has been contaminated with toxic substances, this nori is harmful to the human body, can not be eaten.
Calorie of purslane
Generally, the calorie of purslane is high, and the calorie contained in every 100g of purslane is about 207 calories. It is rich in nutrients, contains a lot of iodine, calcium and other elements, vitamins, proteins, etc. Regular consumption of purslane can supplement the iodine element, prevent goiter, calcium, prevent iron deficiency anemia, reduce blood pressure, reduce blood fat, etc. During the weight loss period, it is possible to consume purslane, but it is not a good choice. During the weight loss period, it is possible to consume purslane, you can use purslane to make soups to eat, which can increase the sense of satiety, but will not grow fat. Appropriate consumption of purple cabbage can indeed play a very good effect of weight loss. Because of the nutrients contained in the purple cabbage is very rich, we eat purple cabbage can be very good for our body to supplement nutrition. And more valuable is that the purple cabbage contains unsaturated fatty acids, this material for our body tissues have a very good effect on nutrition.
Purple is where to grow
Purple grows in the intertidal zone, that is, the highest high tide line to the low tide line between the lowest low tide line of the coastal zone, the zone in the high tide submerged in seawater, ebbing tide is exposed to the air, by the land, the sea, the double complexity of the impact. It will grow best in nitrogen-rich water, such as near sites where sewage is discharged. Porphyra is a collective name for algae that grow in the sea. Red algae, family Rhodophyta. The algal body is membranous and is called a foliar body. It is purple or brownish green. Shape varies with species. Porphyra is a marine red alga. The chloroplast consists of a layer of cells embedded in a thin gelatinous layer, dark brown, red or purple. Purslane fixer disk-shaped, pseudoroot filamentous. Grows on rocks in the intertidal zone of shallow seas. There are many species, mainly striped purslane, altar purslane, sweet purslane and so on. It has been cultivated in China's coastal areas. Nori is often mistaken for a plant because of its ability to photosynthesize; however, biologists generally agree that it is not a true plant because it does not have true ductal tissues (xylem and phloem), unlike water plants (seagrass). In addition, there are several cyanobacteria associated with seaweed. Large seaweeds tend to grow in cold areas. Artificial cultivated species include striped seaweed and altar seaweed.
How much is a catty of seaweed
Artificial cultivars of seaweed are mainly altar seaweed and striped seaweed two kinds of seaweed, Fujian, south coast of Zhejiang Province, more farming altar seaweed, while the north is mainly farming striped seaweed. The market price is not very high, usually about 25 to 30 yuan a catty, but because of its quality, origin and import channels are different, the retail price of each region may vary. China's purple seaweed origin is distributed in the coastal areas, Fujian, southern Zhejiang coast more farming altar purple seaweed, the northern part of the culture of striped purple seaweed is mainly. "The hometown of purple cabbage" Xiapu County is one of the oldest counties in Fujian, but also the earliest culture of kelp in southern China, purple cabbage area, as early as the Yuan Dynasty period on the record of Xiapu people farming purple cabbage, with "Xiapu purple cabbage" national geographic indications.