Three questions and three answers about flavors and fragrances
Q: What are flavors and fragrances? Is there a difference between spices and flavors?
Answer: Whether the fragrance is extracted from the fragrant plants, it is natural or synthetic. Most of them cannot be used alone in perfuming products. They need to be blended into flavors before they can be used.
Essence is an important raw material for cosmetics. It is generally formulated from several or even dozens of fragrances (sometimes containing a certain amount of solvent) in a certain proportion and order of addition. It has a certain fragrance and can be directly used for product fragrance.
Q: How are flavors classified?
Answer: There are many ways to classify flavors. According to the purpose, it can be divided into daily flavor, edible flavor and other flavors.
According to the fragrance type, it can be divided into floral fragrance and non-floral fragrance. Floral fragrance can be divided into rose, jasmine, tuberose and other fragrance types. Most of these flavors are formulated to imitate natural floral fragrances. Non-floral flavors include sandalwood, woody, fruity, wine, vanilla, mint and other food flavors.
According to the form, it can be divided into liquid flavor and powder flavor. Liquid flavors can be divided into water-soluble flavors, oil-soluble flavors and emulsified flavors. Oil-soluble flavors prepared by mutual solubility between organic solvents and fragrances are generally used in cosmetics. Powdered flavors can be divided into powdered flavors made by grinding and mixing solid flavors, powdered flavors made by absorbing incense in a powdered carrier, and microencapsulated powdered flavors formed by encapsulating excipients.
When choosing cosmetics, you don't have to care too much about whether you use "natural" flavors and fragrances. Whether they are natural or not has no direct relationship with the safety of cosmetics.
Q: Are all spices fragrant?
Answer: You may think that spices are fragrant, but they are not.
Spices can be divided into two categories: natural perfumes and synthetic perfumes. Natural spices can be divided into animal natural spices and plant natural spices. The main varieties of animal natural fragrances include musk, civet, castoreum, and ambergris. Animal flavors are rarely used directly in cosmetics, but are mostly used to prepare high-end flavors or perfumes. There are many kinds of plant-based natural fragrances, and the main commodity forms are essential oils, absolutes, extracts, tinctures, etc. These are mixtures of multiple components produced from plant flowers, leaves, branches, bark, roots, stems, fruits, seeds, etc.
Synthetic spices are spices made by organic synthesis. Currently, there are about 5,000 synthetic fragrances in the world.
In fact, many pure fragrances or fragrances with higher concentrations have an unpleasant odor, and only when diluted to a certain concentration will they show a pleasant aroma. For example, indole has a strong fecal odor at high concentrations, and turns into jasmine scent when the concentration is lower than 0.1%. It can be seen that the purity of the fragrance is not as high as possible, and only at the appropriate concentration can it have a pleasant effect. The concentration of fragrance must be mastered when it is used in flavor formulation and cosmetics.