Appearance: Tea tree is a perennial evergreen woody plant, according to the variety and growth environment is different, tree type can be divided into tree type, small tree type and shrub type. The tree type tea plant is tall, the trunk is obvious, and the height can reach several meters or even ten meters. Small tree type tea plant is tall, the trunk is not obvious; Shrub type tea plant is relatively short, no obvious trunk, branching from the base. The leaves of the tea tree are alternate, oval, long oval or oval, with serrated edges, thicker leaf texture, shiny surface, mostly dark green color, and slightly lighter leaf back color. Leaf size varies from variety to variety, generally 5-15 cm long and 2-5 cm wide. The flowers of the tea tree are bisexual flowers, white, a few are pink, 5-9 petals, obovate, flower diameter 2-4 cm, with aroma. The fruit is a capsule, mostly 3 compartments, but also 1 or 2 compartments, each chamber has 1-2 seeds, the seeds are dark brown, nearly spherical or hemispherical.
Plant family Genus: Camelliaceae Camellia.
Common name: Ming, jia, chuan, tea, etc. (In different regions and historical periods, tea trees have a variety of other names).
Extraction parts: Mainly the leaves and buds of tea tree, especially the tender buds and leaves, rich in tea polyphenols, caffeine, amino acids and other effective ingredients.
Extraction method:
Solvent extraction method: The use of suitable organic solvents, such as ethanol, acetone, etc., the active ingredients in tea are dissolved and extracted, and then the solvent is removed by distillation and other methods to obtain the extract. This method can extract more chemical components, but there may be solvent residues.
Supercritical carbon dioxide extraction method: The use of carbon dioxide in supercritical state as an extractor, because of its good solubility and diffusion, can efficiently extract the effective ingredients in tea, and environmentally friendly, no solvent residue. However, this method has a high equipment cost.
Water extraction: In tea processing, the tea is soaked in hot water, so that the soluble components in the tea are dissolved in water, so as to extract tea polyphenols, caffeine and other components, which is a common method for tea brewing and tea beverage production.
Main chemical composition:
Tea polyphenols: is the general name of polyphenols in tea, including catechins, flavonoids, anthocyanins and phenolic acids, among which catechin content is the highest, with antioxidant, antibacterial, blood lipid and other effects.
Caffeine: An alkaloid that gives tea a bitter taste and has a refreshing effect, stimulating the central nervous system and improving work efficiency and concentration.
Amino acids: Tea contains a variety of amino acids, such as theanine, glutamic acid, etc., theanine has a calming, improve immunity and other effects, but also adds to the fresh taste of tea.
Aroma components: The aroma components in tea are complex and diverse, including alcohols, aldehydes, esters, ketones, etc. Different varieties and processing technology of tea aroma components are different, thus forming their own unique aroma.
Tea plants are native to China and are now widely cultivated in tropical and subtropical regions around the world. The major tea-producing regions in China include Southwest Tea Region (including Yunnan, Guizhou, Sichuan, Southeast Xizang, etc.), South China Tea Region (including Guangdong, Guangxi, Fujian, Hainan, Taiwan, etc.), Jiangnan Tea Region (including Zhejiang, Hunan, Jiangxi, southern Anhui, southern Jiangsu, southern Hubei, etc.) and Jiangbei Tea Region (including parts of Henan, Shaanxi, Gansu, Shandong, etc.) . In addition, India, Sri Lanka, Kenya, Vietnam, Japan and other countries are also important producers of tea.
Aroma: The aroma of tea is rich and varied, depending on the tea variety and processing technology. For example, green tea has a fresh aroma of beans and chestnuts; Black tea is sweet and fruity. Oolong tea has the fragrance of flower, fruit, honey, etc. Black tea has the aroma of old, pine smoke and so on.
Aroma concentration: The aroma concentration of tea also varies according to the variety and processing technology, in general, the green tea with a low degree of fermentation is relatively elegant and fresh, and the black tea with a high degree of fermentation is relatively strong and durable.
Suitable essential oils:
Lavender essential oil: combined with tea tree extract used in aromatherapy, can relax and relax at the same time, add fresh tea aroma, help relax body and mind, improve sleep quality.
Peppermint essential oil: The combination of the two can create a unique smell of cool, refreshing, used when you need to focus or relieve fatigue, can effectively improve your mental state.
Lemon essential oil: With tea tree extract, it can enhance the feeling of fresh vitality, improve mood, improve mental state, especially suitable for use in the summer.
Functional characteristics:
Antioxidant: Tea polyphenols and other components have strong antioxidant properties, can remove free radicals in the body, delay aging, prevent cardiovascular disease, cancer and other diseases.
Antibacterial and anti-inflammatory: has an inhibitory effect on a variety of bacteria and fungi, can be used in oral health care, prevent dental caries, bad breath and other problems, but also to relieve skin inflammation.
Refreshing: Caffeine can stimulate the central nervous system, improve attention, relieve fatigue, and enhance thinking ability.
Lipid-lowering weight loss: helps to reduce blood lipids, blood pressure, promote fat metabolism, to achieve the effect of weight loss.
Enhance immunity: theanine and other ingredients can enhance human immunity and improve body resistance.
Common application:
Muscle conditioning: Although tea tree extract is less directly used for muscle conditioning, by drinking tea and ingesting the nutrients in it, it can promote the body's metabolism and indirectly help relieve muscle fatigue.
Immune system: Regular drinking of tea, intake of antioxidants and nutrients, can enhance the body's immunity, to help resist the invasion of germs.
Nervous system: Drinking tea can ingestion caffeine, play a refreshing role, relieve headaches, dizziness and other symptoms, improve mental state. In addition, while working or studying, smelling the aroma of tea can also improve concentration.
Taboo to use:
Insomnia patients: before going to bed should not drink a lot of tea containing caffeine, so as not to affect sleep.
Stomach discomfort: fasting or a lot of drinking strong tea may stimulate the stomach, increase the burden on the stomach, stomach discomfort should be appropriate to drink weak tea.
Iron deficiency anemia patients: tea polyphenols in tea will combine with iron, affecting the absorption of iron, iron deficiency anemia patients should avoid drinking a lot of tea.
Pregnant and lactating women should drink tea in moderation and avoid drinking strong tea, because ingredients such as caffeine in tea may have an effect on the fetus or baby.
Sunny
Sunny
Sunny
