perfume pre-blended bases gardenia rose scent

Perfume can start with ready-made scent bases

Perfume makers can reuse pre-blended bases instead of starting with raw ingredients. A base may capture an idea like a dewy rose better than rose oil, or recreate flowers such as gardenia, whose scent cannot be extracted directly.

Coal freed factories from the need to stand beside rivers

Early factories powered by waterwheels had to be located near rivers with suitable flows. Steam engines fueled by coal allowed manufacturers to generate mechanical power in many more places. Factories could move closer to workers, customers and transport networks, helping reshape the geography of industrial cities.

Spices did not hide spoiled meat

Medieval European cooks used spices for flavor, not to cover up spoiled meat. Spices were costly and less effective at preserving food than salt, smoking, pickling, or drying. Cookbooks advised adding them near the end of cooking, too late to preserve the food.

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perfume pre-blended bases gardenia rose scent

Perfume can start with ready-made scent bases

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