普通的麦当劳芝麻小圆面包含有丙酸钙和丙酸钠，这两样都是防腐剂。
A regular McDonald's sesame-seed bun contains calcium propionate and sodium propionate—both preservatives.
许多人对某些亚硫酸盐有过敏反应，包括那些通常作为防腐剂添加到葡萄酒中的亚硫酸盐。
Many people suffer an allergic reaction to certain sulfites, including those that are commonly added to wine as preservatives.
香料实际上不是很有效的防腐剂。
由于苯酚对人体有刺激性作用，它基本上已不再被当作常用的防腐剂了。
Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.
糖类也是碳水化合物，糖类的来源是精制糖——蔗糖，它是一种食品甜味剂、防腐剂和果糖。
Sugars are also carbohydrates, sources of sugars are refined sugar—sucrose, which is a food sweetener and preservative and fruit sugars—fructose.
陷阱可以是任何放置在地面上的小容器，其顶部与周围的表面齐平，并装满防腐剂。
A pitfall trap can be any small container placed in the ground with the top level with the surrounding surface and filled with a preservative.
在浴室里，我发现了一对用来存放抗生素药丸和防腐剂的人工吹制的玻璃瓶。
In the bathroom, I discovered a pair of hand-blown glass bottles used for storing antibiotic pills and antiseptic.
食品生产商用真正的谷物，加上糖、玉米糖浆、盐、食用色素和防腐剂，做出又小又脆的早餐蛋糕。
Food producers make tiny, crunchy breakfast cakes out of true cereal with the addition of sugar, corn syrup, salt, food dyes and preservatives.
楝树含有一种温和的防腐剂，为数百万贫穷的印度人提供这种牙刷；甚至中产阶级也用它制成的牙膏。
Neem contains a mild antiseptic and provides such toothbrushes for millions of poor Indians; even middle-class ones use toothpaste made from it.
尼生素是由乳酸链球菌产生的一种天然食品防腐剂。
Nisin is a natural food preservative produced by certain strains of Streptococcus lactis.
由于苯酚对人体带有刺激性作用，它基本上已不再被当作常用的防腐剂了。
Because of its irritating effect on humans, the use ofphenol as a general antiseptic has been largely discontinued.
但食物中添加的色素和防腐剂都会对孩子造成伤害，比如会使孩子无法集中注意力并出现学习困难吗？
But can the combination of colourings and preservatives added to all sorts of food harm children, making it harder for them to concentrate and to learn?
虽然已经开展了若干项比较不同防腐剂有效性的研究，但是数据均存在限制并没有定论。
Several studies have been done to compare the effectiveness of the different preservatives but the data are limited and inconclusive.
罐头浓汤根本就是盐、脂肪、人工添加剂、防腐剂和水的混合物，可能还会有点胡萝卜吧。
Canned soup, on the other hand, is a miserable concoction of salt, fat, artificial additives, preservatives, water and maybe part of a carrot.
有机水果和蔬菜生长过程中不能使用杀虫剂，以及任何计量的防腐剂。
Organic fruits and vegetables are grown without the use of pesticides and are preservative-free on every level.
普通的麦当劳芝麻小圆面包含有丙酸钙和丙酸钠，这两样都是防腐剂。
A regular McDonald's sesame-seed bun contains calcium propionate and sodium propionate — both preservatives.
我们生产的所有食品保证不含人造防腐剂。
All of our food is guaranteed free of artificial preservatives.
传统的英国啤酒苦——它经常这样是由于添加了天然防腐剂。(谢谢你，英国酿酒家。)
Traditional English beer is bitter - it has always been that way due to natural preservatives added (thank-you UK brewers).
其他研究者认为发过渡活跃行为的罪魁祸首是食品添加剂，比如人工色素，香料和防腐剂。
Other researchers have charged that food additives - such as artificial colors, flavors and preservatives - are likely triggers for hyperactive behavior.
已开展了几项比较不同防腐剂有效性的研究，但数据均存在局限性，并不具有结论性。
A few studies have been done to compare the effectiveness of the different preservatives but the data is limited and inconclusive.
就如辣白菜中的着色剂和果冻中的防腐剂。
如果你确实没有更多的新鲜产品可选择，那就将食物冷冻储存，之前要添加防腐剂和盐来保持其质感和口感。
If you really don't have a lot of options for fresh produce, turn to frozen before canned, which has added preservatives and salt to help it maintain consistency and taste.
盐于5,000多年前作为一种简单的防腐剂开始应用。
Salt started out more than 5, 000 years ago as a simple preservative.
麦当劳那些多次被证实能抗腐烂的薯条，含有柠檬酸作为防腐剂。
McDonald's French fries, for example, which have repeatedly proven their hardiness to spoilage, contain citric acid as a preservative.
相对多剂量提供方式而言，要满足所有国家无防腐剂形式的单剂疫苗需求就要求制造商大幅提高灌装能力。
Meeting the vaccine needs of all countries in a preservative-free single-dose format, as opposed to multi-dose presentations, would require a significant increase in manufacturers' filling capacity.
在肉类加工食品中还发现有致癌作用的防腐剂。
There are also other cancer-causing chemicals found in meat processed products, which are used as preservatives.
答案：e。因为盐有防腐剂的作用，是食物存储时间延长的通用配方。
Answer: e. Because salt ACTS as a preservative, it is a common ingredient in foods with long shelf lives, like those listed above.
防晒品中的化学防腐剂及一些渗入表皮层的其他成分也使得人们忧心忡忡。
Concern has also been raised about the chemical preservatives used in sunscreens, and other ingredients, seeping through the top layer of the skin.
l在所有箱子里，应使用合适数量的防腐剂。
In all cases, appropriate quantities of suitable and compatible corrosion preservative materials.
l在所有箱子里，应使用合适数量的防腐剂。
In all cases, appropriate quantities of suitable and compatible corrosion preservative materials.
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