Teach you several methods to distinguish food quality: Knows when denies and puts the brine if the egg is fresh

Teach you several methods to distinguish food quality: Knows when denies and puts the brine if the egg is fresh
Teach you several methods to distinguish food quality: Knows when denies and puts the brine if the egg is fresh
Yesterday morning, in a Residential Area on the prosperous garden way of Zhengzhou, a group of " small red caps " Surrounded by uncle aunt, they herd special quality testing with managing the volunteer who study society of department's quality in Zhengzhou, close to " 3 15 " Come into the community, teach everybody how to distinguish food quality. The activity includes 9 tests (salt and inferior nitrate distinguishing, true and false iodized salt, fresh differentiation of degree of egg,etc.) ,With 6 kinds of explanation (bean sprouts, edible oil, fruit juice, milk, soya-bean milk, noodles) . Teach you how many methods 1. The bean sprouts color and luster soaked with chemical fertilizer, detergent is ashen, the root is short and stalwart and not having root or few roots, the beans are blue; Break the bean sprouts, the section has moisture that rises from, some also remain the smell with chemical fertilizer. 2.The false iodized salt appearance is yellowish or yellow, it is apt to be made moist. Become the bulk by holding in hand and pinching false iodized salt, difficult scattering, and there is a ammonia flavor. Spread the salt on the starch or potato cut, it is iodized salt to salt the position and change a purple one, the darker the color is, the higher the iodine content is. 3.Distinguish the flour, can drip into several rare hydrochloric acid. If produce the stimulating smell, and the flour is turned into a green sticky form, prove that contains the industrial bleaching powder in the flour or bleaches precisely. 4.Fetch several drops of honey, drip on the blank sheet of paper not smooth. The water content of high-quality honey is small, are dripped and lagged behind into pearl, will neither will scatter permeate through the blank sheet of paper quickly, nor. Mix water honey drip, lag behind, permeate blank sheet of paper quickly, scatter gradually. The speed is the quicker to scatter, the more moisture that includes is. 5.Time that egg put too long, moisture evaporate and angry room expand in the egg. Put egg into the weight 1: In the brine of 10, the egg going up is the putrid and deteriorated egg. Mine field of food 1. Avoid eating the overnight skillful Chinese cabbage. The Chinese cabbage contains a large amount of nitrate, shortly after boiling, putting, because the bacterium acts on, will make nitrate reduce for inferior nitrate, may be carcinogenic after the food. 2.The eyes disease patient avoids eating garlics. Long-term a large number of edible garlic, will hurt one's feeling vim and vigour, decrease eye, injure brain, attention drop, tinnitus, top-heavy declining etc. by memory. 3.The anaemia patient avoids the drink tea. Contain, tan sour in the tea, will hinder iron from absorb drink, make condition become more serious. 4.The soya-bean milk avoids packing into the thermos. Saponin in the soya-bean milk can dissolve the scale in the thermos, it will cause bacterium's reproduction that bottled time is long, people are apt to cause suffering from abdominal pain, suffer from diarrhoea after drinking.


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