Rose, also known as rose, belongs to Rosa genus of Rosaceae. There are many varieties of rose, but the main ones that can be used to produce the rose that meet the requirements of spices are wrinkled leaf rose, Damascus rose, louver rose and rose in dark red. The fresh flowers should be processed within 1 hour after picking. Rose oil is a light yellow to yellow liquid with a relative density of 0.849-0.857, a refractive index of 1.452-1.466, and a rotational luminosity of - 2. ~-5。
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