1. Edible Value: Rose extract contains small amounts of volatile oil, quercetin, organic acids, carotene, red pigments, amino acids, various vitamins and trace elements, as well as aromatic substances such as citronellol and linalool. It can be used as an ingredient in pastries, candied fruits, and other foods, providing unique effects such as enhancing aroma and color, reducing greasiness, and increasing freshness. Roses can be made into rose jam, rose beverages, rose wine, rose tea, and rose soy sauce made from rose petal residue. 2. Medicinal Value: Rose extract contains carotene, vitamins, minerals, amino acids, and aromatic substances. It has the effects of clearing heat and detoxifying, as well as regulating qi, promoting blood circulation, and regulating menstruation. It has unique therapeutic effects on liver and stomach pain, irregular menstruation, leukorrhea, and traumatic injuries. It also has the effects of moisturizing blood and stopping constipation, astringing the skin, strengthening the spleen, and calming the mind. 3. Industrial Applications: Roses are generally used to extract rose oil and pigments. Rose oil can be used to manufacture high-grade fragrances for cosmetics and soaps. Rose pigment can be extracted from the rose petals after the essential oil has been extracted; this pigment is an excellent natural food coloring. It has good thermal stability, and salt and sucrose have no adverse effect on its color, making it widely used in the food industry. The residue after extracting rose essential oil and rose pigment is rich in protein, crude fiber, starch, glucose, various celluloses, and minerals, and can be added to chicken feed as a feed additive to significantly increase egg production in laying hens.
