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Linalool belongs to the chain terpenol and has α- and β- Isomers. It is a colorless liquid with the aroma of Valley lily, but the aroma varies according to the source. Linalool ranks first among the most commonly used spices in the world every year.
The ones with larger content are linden leaf oil, linalool oil, galore oil, rosewood oil, coriander seed oil, white orchid leaf oil, lavender oil, tortoise leaf oil, bergamot oil, saffron oil and many others. Flower (jasmine, rose, tortoise, orange blossom, ylang ylang, etc.) oil. Linalool also ranks first in the aroma components of green tea.
Due to the active chemical properties of linalool, it can be made into a wide variety of derivatives, which are widely used in fragrance, medicine, and daily chemical industries.
Plants containing linalool:
1. It exists in flue-cured tobacco and burley tobacco.
2. Left-handed bodies are found in essential oils such as camphor oil, safrole oil, lemon oil, lavender oil, rosewood oil, etc. The dextral body exists in coriander seed oil and neroli oil. In orange leaf oil and sweet orange oil. Racemes exist in perilla oil and jasmine oil.
3. The mixture of levorotatory and dextral in Brazilian rosewood oil is more than 85%
Preparation method:
It can be obtained from aromatic oil, camphor oil, rosewood oil, gamma wood oil and other essential oils by fractionation or chemical synthesis. There are two main routes to synthesize linalool from turpentine:
1、 β- Pinene is pyrolysed to laurylene at high temperature, and then linalool is prepared by hydrochloric acid, esterification, saponification and other steps. Other alcohols produced by this method include nerol, geraniol, lauryl alcohol and terpineol. The yield of this method is relatively high.
2、 α- Pinene is hydrogenated to pinane, then oxidized to pinane hydroperoxide, then reduced to pinanol, and finally pyrolysis to linalool.
1. Spices
It is commonly used in the synthetic essence and fragrance industry (FEMA 2635), and is also the raw material for the synthesis of isophytol, VE and VK.
2. Deodorant
Linalool has a strong ability to cover up bad odors for disgusting sulfide hydrocarbons, garlic preparations, and polysulfides. In addition, for the deodorization of excreta, especially human and animal feces, linalool is the main component of these deodorant formulations.
3. Anti-caries agent
The experiment showed that adding 0.1% linalool to the medium containing 2% sucrose could 100% inhibit the transformation of sucrose into dextran by Streptococcus mutans and prevent the formation of dental plaque. It is also reported that adding terpene organic compounds in tooth powder can keep the glucanase in tooth powder stable and effectively prevent dental plaque.
4. Pesticides
(1) Effects on mosquitoes and flies:
Smear the liquid containing 2% linalyl acetate and 98% mineral oil on the skin to repel mosquitoes and flies. It can also be used as repellent for cockroaches, ants, lice, etc. when combined with other traditional Chinese medicine ingredients. It can also be used in textile materials to repel pests.
The experiment also found that the food containing linalool can significantly reduce the feeding and oviposition of houseflies, because maggots must parasitize on the body rich in microorganisms to develop, so pregnant female flies will detect and avoid laying eggs on the linalool material with strong antibacterial function.
(2) Acaricide:
Linalool has the ability to kill mites, and is effective for its larvae and adults. According to other data, the formula composed of more than 20 volatile oil ingredients such as linalool has satisfactory effects on the mites of Dermatophagoides and Edible Casein.
5. Antimicrobial effect
Linalool and other terpene compounds have good antibacterial activity against Escherichia coli, Proteus, Membranobacterium enteritidis, Staphylococcus, Saccharomyces cerevisiae, Staphylococcus albicans, Aspergillus niger, agar, etc.
It is reported that the antibacterial effect of linalool is five times that of phenol, and it has similar antibacterial effect with citronellol. It is used to treat acne based on its antibacterial activity against propionic acid bacteria. Linalool has synergistic effect on the resistance to streptococcus mutants of laccase acid.
Animal experiments showed that chickens infected with ES4 virus fed with one milligram of linalool per day could prolong their life by 50-80%.
It is also reported that the terpene ozone oxide produced by ozone (O3) through terpene can be used to treat inflammation, tumor, microbial infection and burn.
The ozone is made into linalool ozone oxide through linalool, which shows its inhibitory activity against Escherichia coli in the test tube.
Linalool belongs to the chain terpenol and has α- and β- Isomers. It is a colorless liquid with the aroma of Valley lily, but the aroma varies according to the source. Linalool ranks first among the most commonly used spices in the world every year.
The ones with larger content are linden leaf oil, linalool oil, galore oil, rosewood oil, coriander seed oil, white orchid leaf oil, lavender oil, tortoise leaf oil, bergamot oil, saffron oil and many others. Flower (jasmine, rose, tortoise, orange blossom, ylang ylang, etc.) oil. Linalool also ranks first in the aroma components of green tea.
Due to the active chemical properties of linalool, it can be made into a wide variety of derivatives, which are widely used in fragrance, medicine, and daily chemical industries.
Plants containing linalool:
1. It exists in flue-cured tobacco and burley tobacco.
2. Left-handed bodies are found in essential oils such as camphor oil, safrole oil, lemon oil, lavender oil, rosewood oil, etc. The dextral body exists in coriander seed oil and neroli oil. In orange leaf oil and sweet orange oil. Racemes exist in perilla oil and jasmine oil.
3. The mixture of levorotatory and dextral in Brazilian rosewood oil is more than 85%
Preparation method:
It can be obtained from aromatic oil, camphor oil, rosewood oil, gamma wood oil and other essential oils by fractionation or chemical synthesis. There are two main routes to synthesize linalool from turpentine:
1、 β- Pinene is pyrolysed to laurylene at high temperature, and then linalool is prepared by hydrochloric acid, esterification, saponification and other steps. Other alcohols produced by this method include nerol, geraniol, lauryl alcohol and terpineol. The yield of this method is relatively high.
2、 α- Pinene is hydrogenated to pinane, then oxidized to pinane hydroperoxide, then reduced to pinanol, and finally pyrolysis to linalool.
1. Spices
It is commonly used in the synthetic essence and fragrance industry (FEMA 2635), and is also the raw material for the synthesis of isophytol, VE and VK.
2. Deodorant
Linalool has a strong ability to cover up bad odors for disgusting sulfide hydrocarbons, garlic preparations, and polysulfides. In addition, for the deodorization of excreta, especially human and animal feces, linalool is the main component of these deodorant formulations.
3. Anti-caries agent
The experiment showed that adding 0.1% linalool to the medium containing 2% sucrose could 100% inhibit the transformation of sucrose into dextran by Streptococcus mutans and prevent the formation of dental plaque. It is also reported that adding terpene organic compounds in tooth powder can keep the glucanase in tooth powder stable and effectively prevent dental plaque.
4. Pesticides
(1) Effects on mosquitoes and flies:
Smear the liquid containing 2% linalyl acetate and 98% mineral oil on the skin to repel mosquitoes and flies. It can also be used as repellent for cockroaches, ants, lice, etc. when combined with other traditional Chinese medicine ingredients. It can also be used in textile materials to repel pests.
The experiment also found that the food containing linalool can significantly reduce the feeding and oviposition of houseflies, because maggots must parasitize on the body rich in microorganisms to develop, so pregnant female flies will detect and avoid laying eggs on the linalool material with strong antibacterial function.
(2) Acaricide:
Linalool has the ability to kill mites, and is effective for its larvae and adults. According to other data, the formula composed of more than 20 volatile oil ingredients such as linalool has satisfactory effects on the mites of Dermatophagoides and Edible Casein.
5. Antimicrobial effect
Linalool and other terpene compounds have good antibacterial activity against Escherichia coli, Proteus, Membranobacterium enteritidis, Staphylococcus, Saccharomyces cerevisiae, Staphylococcus albicans, Aspergillus niger, agar, etc.
It is reported that the antibacterial effect of linalool is five times that of phenol, and it has similar antibacterial effect with citronellol. It is used to treat acne based on its antibacterial activity against propionic acid bacteria. Linalool has synergistic effect on the resistance to streptococcus mutants of laccase acid.
Animal experiments showed that chickens infected with ES4 virus fed with one milligram of linalool per day could prolong their life by 50-80%.
It is also reported that the terpene ozone oxide produced by ozone (O3) through terpene can be used to treat inflammation, tumor, microbial infection and burn.
The ozone is made into linalool ozone oxide through linalool, which shows its inhibitory activity against Escherichia coli in the test tube.
