During this holding period enzymes in the green leaf catalyze the oxidation of constituents which results in changes in color, taste, and aroma.

在此保持时间内，绿叶中的酶催化了一些成分的氧化作用，这些氧化作用的结果使得颜色，味道和香气发生了变化。

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Sensory analysis shows that there are little changes in color and luster of each of the materials, and the idiosyncratic aroma of black pepper grain is well preserved.

感官鉴定表明，杀菌前后各物料的色泽变化不大，黑胡椒粒特有的香味保持良好。

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Scientists from the Ohio State University have found that people are able to tell other people's emotions according to changes in the color of their faces.

美国俄亥俄州立大学的科学家发现，人们可以通过面部颜色的变化来判断他人的情绪。

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Its reddish color and changes in brightness over time make the planet an unforgettable sight.

VOA: special.2010.07.28

The signs include a skin growth that changes in size,color, thickness or texture.

VOA: special.2010.07.06

Although kidney problems sometimes cause no symptoms at all, the symptoms can include changes in urine color, swelling that starts in the feet and legs, fatigue, nausea or vomiting, and trouble sleeping.

CNN: Diabetes drug Byetta tied to kidney problems, says FDA

Mr. BERNS: If you look at the flowers, we're seeing changes in lightness, changes in chroma, how much color, but also we see slight changes in hue going from purplish to bluish to reddish.

NPR: Using Science to Rescue Art

At the Deutsche Bank head office, employees entering the lobby each day are greeted by a massive videowall that changes in appearance, color scheme or behavior each day.

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