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E319 Tert-ButylHydroQuinone (TBHQ)
A petroleum based antioxodant . May cause nausea, vomiting and delirium. A dose of 5g is considered fatal. Typical products are fats, oils, and margarines.
The Hyperactive Childrens Support Group belive that a link exists between this additive and hyperactive behavioural disorders in children.
Not recommended to be consumed by children.
Not permitted in the EU.
E321 Butylated hydroxytoluene
BHT
Origin: Synthetic antioxidant.
Function & characteristics: Anti-oxidant in fats and fatty products to prevent rancidity.
Products: Wide range of fat-containing products.
Acceptable Daily Intake: Up to 0.3 mg/kg body weight.
Side effects:
BHT can cause liver damage in high concentrations; (pseudo-) allergic symptoms have also been reported. In some people with a hereditary isomer of a specific liver enzyme it can cause migraine. Due to the side effects, the EU has restricted its use; thus, the number of BHT-containing products will decline in the next few years.
Dietary restrictions:
E321 can normally be consumed by all religious groups, vegans and vegetarians.
E 473: Sugar esters of fatty acids
Origin:
Esters of sugar and synthetic fats, produced from glycerol and natural fatty acids. The fatty acids are mainly from plant origin, but also fats of animal origin may be used. The product generally is a mixture of different components, with a composition similar to partially digested natural fat esterified with sugar.
Function & characteristics: Emulsifiers and stabilisers.
Products: M any different products
Acceptable Daily Intake: 16 mg/kg bodyweight
Side effects:
None known. The products are first digested to sugar and fats. The body metabolises all components identical to sugar and natural fat. The individual components of the mono- and diglycerides are also produced normally in the body when digesting normal fat.
Dietary restrictions:
Although mainly vegetable oils are used, the use of animal fat (incl. pork) can not be excluded. Several groups, such as vegans, Muslims and Jews thus avoid these products. Only the producer can give detailed information on the origin of the fatty acids. Chemically the fatty acids from vegetable or animal origin are identical.
E1520 Propylene glycol
humectants, wetting agent, dispersing agent, petroleum based; its glycerine like taste has made it popular for children's medications and other elixirs;
used in many topical creams and ointments, cosmetics, hair products and deodorants;
has been linked with fatal heart attacks (when given intravenously), central nervous system depression and cosmetic or pharmaceutical contact dermatitis
環團﹕冰皮月餅添加恐有害
環團﹕冰皮月餅添加恐有害
明報
8/31/2011
8/31/2011
綠色力量保育經理呂德恆表示，調查發現一款「芒果脆脆冰皮月餅」含多達14種人工添加劑，當中兩款抗氧化劑（E319及E321）最具爭議，引述外國研究指食用過量會增加患癌風險，另亦含用量受監管的乳化劑（E473及E1520）。
【明報專訊】中秋節快到，傳統應節食品月餅都紛紛出爐，綠色力量在最近的月餅調查發現，有冰皮月餅含多達14種添加劑，當中兩款抗氧化劑（E319及E321）的安全具爭議，因為有研究指出食用過量會增加患癌風險。本報對照市面多個品牌的月餅，美心的「芒果脆脆冰皮月餅」的成分中包括了上述添加劑。
「芒果脆脆冰皮」含爭議成分
本報昨一直聯絡美心，但美心至截稿前未有回覆。
綠色力量共調查市面上53款月餅共10個品牌，分析月餅盒上食物標籤的成分資料，結果發現，傳統月餅含1至7種人工添加劑，冰皮月餅的添加劑則比傳統月餅較多，綠色力量科學及自然護理總監鄭睦奇估計，因為冰皮月餅採用的材料不太天然，所以會加有較多色素及調味料。綠色力量保育經理呂德恆表示，調查發現一種「芒果脆脆冰皮月餅」含多達14種人工添加劑，當中兩款抗氧化劑（E319及E321）的安全具爭議，有部分外國研究指出，食用過量會增加患癌風險，另亦含用量受監管的乳化劑（E473及E1520）和添加劑山梨糖醇，服用過量山梨糖醇可引致肚瀉。
Health Food
他指出，已有文獻顯示攝取過多E319及E321會提高患癌風險，但實際上要進食很大量才會有影響，不過，市民仍要盡量避免吃太多，其中一個方法是購買月餅前多看標籤，選擇最少或沒有添加劑的進食。
Health Food
他指出，已有文獻顯示攝取過多E319及E321會提高患癌風險，但實際上要進食很大量才會有影響，不過，市民仍要盡量避免吃太多，其中一個方法是購買月餅前多看標籤，選擇最少或沒有添加劑的進食。
研究﹕攝取過多增患癌風險
綠色力量為此發起「健康環保過中秋」行動，教育市民以八大行動，度過吃得健康又環保的中秋節。行動包括吃包裝簡單和不含防腐劑、色素的月餅；選購本地或鄰近地方當造生果；不以燒烤和火鍋過節；一家聚餐少吃肉類，仔細估計食量，以免浪費食物，亦應避免用即棄餐具。
中文大學生物化學系何榮成教授表示，本港食物安全中心的食物安全條例已跟貼歐美的標準，若條例沒有監管抗氧化劑（E319及E321）的用量，那就問題不大，建議若市民擔心就避免食用。
中文大學生物化學系何榮成教授表示，本港食物安全中心的食物安全條例已跟貼歐美的標準，若條例沒有監管抗氧化劑（E319及E321）的用量，那就問題不大，建議若市民擔心就避免食用。
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