Taiwan Strait net on June 15 dispatch (Rong Biao of Fan Xiping of channel gazette reporter's reporter old) the citizen noticed: Those surfaces delicacy of bright, colour and lustre is green, stretch the zhongzi with good mouthfeel is not certain it is good zhongzi. Drawing near of dragon boat festival, the zhongzi is in sell like hot cakes, precaution of Xiamen city disease controls a center to warn broad citizen technically, should take care " turn green Zong " " borax Zong " , careful alternative wants when buying.
How to identify " turn green Zong "
Colour and lustre of the metropolis after Zong leaf suffers high temperature evaporate to boil pales, show deep green slant grey black or yellow, again good Zong Xie Ye shows viridian impossibly. On Xiamen market extremely individual and undesirable businessman, chemically coloring method, immersing Zong Xie Shitian adds zinc of copper of bluestone, chloridize, chloridize, industry alkaline wait for industrial raw material to answer catch, let already lost turn green of Zong Xie Chongxin, the element such as copper, zinc remains in great quantities in Zong leaf, excessive or absorb copper for a long time, can make element of many copper coin is accumulated at liver, cause copper toxic, serious can cause cancer even.
Discern method: See the surface, viridescence of colour and lustre of leaf of turn green Zong, and the grey yellow after normal Zong Xie Yingcheng is boiled now; 2 hear flavour, fragrance of leaf of the Zong after the zhongzi that Xie Bao of turn green Zong installs is boiled is not thick, have light and sulfureous taste instead; 3 differentiate boil water, the water after leaf of turn green Zong is boiled becomes green, the water after normal Zong leaf is boiled appears flaxen.
"Borax Zong " polished glutinous rice does not stick Zong leaf
Industrial chemicals borax is multi-purpose wait at pottery and porcelain, glass, have dangerous noxiousness, after absorbing not easy eduction, can cause toxic vomiting, shock insensible wait for a symptom, explicit order of the state since 1992 prohibits be being used in food. After the zhongzi adds borax, polished glutinous rice does not stick Zong leaf, stretch mouthfeel is apparent, had added much smaller have strange and acrid. Borax Zong still does not have simple and easy identifying at present method, consumer should go to a dependable snack bar and bazaar supermarket to buy, do not spread out in roadside the place such as the dot is bought. Citizen edible zhongzi should heat thoroughly least 15 minutes, the central temperature of the zhongzi should achieve 75 ℃ above, should avoid long keep in storage.
Note of zhongzi of edible of choose and buy
Note of zhongzi of edible of choose and buy: 1, the product that does not buy date of the name that do not have a factory, the site of factory, birth, expiration period. 2, buy to bazaar, supermarket, normal grocery; Bulk zhongzi should a few buying, or eat to be bought now now, avoid zhongzi metamorphism, the influence is healthy. 3, zhongzi pattern should watch when buying, zong horn should decorous, the degree of tightness that string a line is proper, without apparent dew horn, zong body is not had appear. Shuck Zong leaf, zong body is had due colour and lustre, exterior luster. Without foreign matter, without rawish, must not mildew changes, unripe bug and other are ab extra contaminant. 4, the choose and buy is vacuum-packed kind with quick-freeze kind zhongzi, the attention after buying is shown according to label place save means, the edible method that indicates according to label machines edible. To vacuum-packed kind of product, the attention is not bought and edible bilges bag or flat zhongzi.