Originating from the specialties for the synthesis of flavor and fragrance materials, this paper discussed the green chemistry aimed to avoid and cut down the pollution caused in their syntheses.

从合成香料的特点出发， 讨论在化学合成工作中防止或减少化学污染的一些绿色化学反应。

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Tom: no. Although 75% of its raw materials is elephant dung, it is light delicate fragrance instead of stink. This is due to its special fabrication technology.

不，尽管这种纸里75%的原料都是大象的粪便，但它不但不臭，反而有一种淡淡的清香，这是源于它的特殊的制造工艺。

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Materials of aixi soft-serve ice cream powder are strictly selected and derived from nature. Finished products have a rich creamy fragrance and are an unmatched choice for making soft-serve ice cream.

爱喜软冰淇淋粉，选料严格，材料源于自然，成品具有浓郁的奶香．是做软冰淇淋的不二选择。

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Costly land and labour values have forced many perfume makers to move to major cities and increase the use of synthetic materials, said Virginia Bonofiglio, associate chairperson of cosmetics and fragrance marketing at the Fashion Institute of Technology.

BBC: Perfume in Provence: Visit, smell, create