For what they do have access to, spoilage can be a problem.

对于他们能够接触到的食物来讲，食物变质也是一个问题。

Then after 12 noon on that intensity of the Nigerian sun, spoilage is being accelerated.

而正午12点过后，在尼日利亚强烈的阳光照射下，这些农产品就开始加速腐烂。

Many plastics may contain harmful chemicals that can speed up the maturing process and increase spoilage.

许多塑料可能含有有害的化学物质，这些物质会加快蔬果成熟，并快速腐坏。

Some food items, beef steak for instance, come pre-sterilised with ionising radiation, which helps prevent spoilage.

有些食品，例如排，是事先经过电离辐射消毒的，这么做有助于止食物变质。

Everything has to be very clean so that you don't get any spoilage or anything out of the ordinary in your fruit.

每样东西都必须非常干净，这样你的水果就不会变质或者出现异物。

The mission really is to reduce food spoilage due to lack of cold storage at key points along the food supply chain.

我们的目的实际上是为了减少食品供应链上因缺乏冷藏而导致的食物变质。

Milk spoilage is started by microbes, which consume and break down the nutrients in milk.

变质是由微物引起的，微物消耗并分解的营养成分。

We had no mechanical refrigeration and so there was a lot of spoilage problems. People could get tuberculosis from milk.

我们没有机械制冷，因此存在很多变质问题。人们可能会从感染结核病。

Bitterness, he said, alerts us to toxins in the food while sourness warns us of spoilage and saltiness signals the presence of some minerals.

他说，苦味提醒我们食物有毒，酸味警告我们食物变质，而咸味表示矿物质的存在。

On the other hand, refrigeration both preserves the shelf life of the butter and reduces the growth rates of spoilage microbes which might be present.

另一方面，冷藏既可以保持油的保质期，又可以降低可能存在的腐败微物的长速度。

Fresh foods: produce with a two-day shelf life such as fruit and vegetables are refrigerated onboard the spacecraft and consumed quickly to avoid spoilage.

新鲜食品：水果和蔬菜等保质期为两天的农产品在航天器上冷藏， 并迅速食用以避免变质。

Removing the water from the food or drink makes it difficult for bacteria to multiply and dramatically extends the product's shelf-life and reduces the chance of spoilage.

去除食物或饮料的水分可使细菌难以繁殖， 从而显着延长产品的保质期并减少变质的机会。

Our ancestors stumbled on this kind of controlled spoilage thousands of years ago, either by lucky accidents or out of serious desperation, and we humans have been intentionally spoiling food ever since.

我们的祖先几千年前无意发现了这种止腐烂的方法，或许是幸运巧合，也或是被逼无奈，从此，人类就开始有意地 “放烂” 食物。

That's the hope of a team of researchers who have developed a paper sensor containing nanostructures that change color when they bind to compounds that indicate spoilage such as free radicals or food contaminants we can't see or smell.

这是一组研究人员的希望，他们开发了一种包含纳米结构的纸质传感器，当它们与表明腐败的化合物（例如我们看不到或闻不到的自由基或食物污染物）结合时会改变颜色。