Herbal tea is a perennial plant that is believed to have originated from the mountains in the southwest of China. Because there is evidence of discovering many traditional tea species that are native to Yunnan. And later spread to East Asian countries, including Japan In cultivation, it is usually cut into shrubs about 0.6-1 meters tall, which is convenient for storing tea leaves. As for the collection of tea leaves, the leaves are usually collected only in the first 3 leaves. Tea is a semi-tropical plant that grows well in warm and rainy areas. Planted well at the height of sea water from 200-2,000 meters. Most commercial teas are available in 2 varieties including Chinese tea and Assam tea groups (Assam tea).
Chinese tea group has the scientific name Camellia sinensis var. Sinensis is a species imported from Taiwan and China. Very popular because of high yield and market demand In Thailand, grown very well in the north, such as Chiang Mai, Chiang Rai, Mae Hong Son, where planting is grown as a step-by-step row. There is a systematic management of the planted plots and pruning regularly. Chinese tea tree tea species are classified as small to medium sized plants. The height of the tree is about 1-6 meters. The trunk is very branched. According to the soft branches covered Propagation by seed method This species is the original species of China. But in our home, we have grown for a long time. Once found in Phayao Province, but not much But there are some plantings sporadically in the north.
The tea leaves are single leaves, alternately arranged. The appearance of a spear, the tip of the blade, the edge of the blade is small or a sawtooth. The leaves are about 3-4 cm wide and about 6-12 cm long. The leaves are dark green. The stomach is light green. The leaves are thick and sticky, smooth, they are like Khoi leaves, but are longer and bigger. The leaf line is mesh. Tea flowers bloom in a bouquet or out in clusters along the prong leaves. The appearance of flowers is similar to tangerine flowers. The tea flowers have a large, beautiful color. The flowers are cool white. And fragrant In one bouquet, there are about 1-4 flowers, 5 petals of flowers. The calyx has 2 petals. The stamens are in the middle of many flowers.
Tea results are capsule results with a diameter of about 2-4 cm when old will break out In one result, there are about 1-3 seeds. The shape of the seeds is flat. Or rather round Smooth seed surface Is dark brown, almost black or reddish-brown With a diameter of about 10-14 mm. The tea varieties Assam (Assam tea) is the scientific name Camellia sinensis var. Assamica has many names such as Assam tea bush tea, local tea leaves or tea is tea varieties, the leaves are larger than tea varieties in China. Grows well in tropical rainforest with shade and moderate sunlight In Thailand, can be found in Chiang Mai, Chiang Rai, Lampang, Phrae and Nan.
Flowering tea flowers flourish from the eyes of the prong leaf on the branches. Each eye will consist of the eyes that grow into branches on the top of the eye. Most of the flowers are clustered together in groups of about 2-4 flowers per flower bud with sepals about 5-6 petals. The shape is long rounded shape. The flower stalk is about 10-12 mm long. The petals are about 5-6 petals. The base of the petals is attached to the narrow base. The tip of the petals bloom out. The male pollen band consists of a yellow anther attached to it. The tip of the stem holds a 5 mm long white pollen. The female stamens are round stalks. The ovaries are divided into 1-3 compartments. When the flowers are full, they are about 3.65 cm wide.
When classifying tea according to the level of fermentation, the main tea can be divided into 3-4 types: white tea ( green tea), green tea (Oolong tea) and black tea. (Black tea) with white tea and green tea is a tea that is not fermented at all. Oolong tea is partially fermented tea. And black tea is a perfectly fermented tea.
36 Benefits of tea
- The leaves are boiled and simmered. Helps to stimulate, rejuvenate, not sleepy, make the eyes bright, stimulate the tiredness (leaves).
- Helps to relieve headaches, dizziness (leaves).
- The tea leaves are steamed and then marinated with salt. Very good for thirst (leaves).
- Helps to relieve heat in thirst (leaves).
- Tea leaves have properties to help nourish the heart to moisturize (leaves).
- The root tea has properties that help stimulate the heart to squeeze more vigorously. Solve heart disease, edema (root).
- Helps reduce blood sugar levels (leaves)
- Branches and leaves have properties as an asthma remedy (leaves, branches)
- The leaves have a powerful astringent effect, used to treat and reduce diarrhea (leaves)
- The leaves are used as a curative remedy (leaves)
- Dry leaves used to brew sugar Eat as a cure for stomach pain (leaves)
- Root is used as a remedy for diarrhea (root)
- Helps in digestion (leaves)
- Helps diuretic (root, leaf)
- Helps to cure hepatitis (root)
- The leaves have properties as an antidote (leaves), branches and leaves, brewed in old, used to treat the poisoning of dangerous drugs that are alkaloids (branches and leaves)
- Root has properties to help against infection. Mouth wound (root)
- King has properties as an astringent (King)
- The leaves are used to wash the wound, heal the wound, solve the swelling (leaves)
- Root, seeds and oil are used as external medicine to cure burns, scalding, ulcers (roots, seeds and oils). Tea leaf waste is used as a poultice. For burns, scalding (tea leaves) while the branches and leaves are used as a tannin acid Put blistering burns (branches and leaves)
- Seed and oil roots Used outside as a remedy for eczema, ringworm (root, seed and oil). The leaves also have a cure for ringworm (leaves).
- Tea leaves have properties that help to treat body aches well (leaves)
- During the hot weather, drinking tea will help you feel refreshed. Because the tea leaves contain polyphenols, amino acids and carbohydrates When these substances react with saliva, they help distribute excess heat in the body.
- Tea is a drink that contains many nutrients that help maintain a healthy body. Helps stimulate the nervous system and the body to work effectively. Because tea leaves contain caffeine that helps stimulate the nervous system Helps blood circulation Influences the metabolism of cells within the body And also using tea mixed with painkillers Treatment of migraine To help increase the healing effect and make the drug more active.
- Drinking tea regularly will make the body healthy, refreshing. Helps to detoxify the body Helps neutralize free radicals Helps to slow down aging and help nourish the skin.
- Drinking tea affects the endocrine system. And helps break down fat Reduce cholesterol levels By increasing the cholesterol in the body through the bile in the stool.
- In China it has been known for a long time that Chinese tea can control the occurrence of obesity. Has antimicrobial antiseptic effect, reduces inflammation, heals wounds, helps to drive and flush toxins in the body Because the tea leaves contain a poly-phenol that can help kill bacteria in the colon. The anti-inflammatory effect is believed that tea can help prevent chronic inflammatory diseases such as rheumatoid arthritis.
- Japanese people believe that drinking tea can help reduce stomach cancer. Because it has anti-oxidant and health enhancing effects
- Tea is beneficial to the heart system and blood circulation. Help expand blood vessels Prevent coronary artery disease And drinking tea also helps to treat chest pain and myocardial ischemia also
- Drinking a cup of old tea will stimulate the secretion of gastric juice. And helps in digestion of vitamins such as various groups
- Tea also contains iodine and fluoride, which is a substance that helps prevent overwork thyroid gland. Fluoride is sufficient for the needs of the body to help prevent tooth decay and increase bone mass.
- The young leaves have a sweet, astringent taste. The salad is very tasty.
- Young leaves are flavored and baked as tea leaves. Sent to sell as a foreign product In our house it is called Ton Miang. Most of the northern part has long been known.
- Seed residue contains Saponin which has properties to help clean things. Very clean. And also use to wash your hair to remove dirt from the result In addition, the oil that is attached to the seed residue also helps to moisturize the hair as well.
- Tea waste is useful in absorbing odors. The tea leaves are also used to put in the coffin. To suck the foul smell from the body as well
- As for urban people, the young leaves will be fermented to be sold. As for the soft shoots, the products are sold.