Appearance: Orange trees are small trees, generally 3-8 meters in height. The branches have thick long thorns, the new shoots are oblate, with edges. Leaves are single compound leaves, usually narrow or only marked, elliptic or ovate, 6-10 cm long and 3-5 cm wide, acuminate at the top, cuneate at the base, with thin, obtuse teeth at the margin. The orange flowers are solitary or 2-3 clusters in the axils of the leaves. The flowers are white, with 5 oblong petals and a strong aroma. The fruit is orange fruit, nearly round and spherical, some are oval or pear shaped, the size is different, the peel is rough, the color is mostly orange yellow to vermilion, the oil cell is convex, easy to peel. The flesh is composed of multiple flesh cloves, which are filled with juice cells. The juice cells are soft and juicy, orange-red or light yellow, and the taste is moderately sweet and sour.
Plant family Genus: Rutaceae citrus.
Common name: yellow fruit, golden ring, Liudin, etc.
Extraction part: mainly fruit peel and juice. The peel is rich in volatile aromatic substances, which is the main source for extracting essential oil from orange peel. Fruit juice is rich in nutrients and is widely used in the food and beverage industry.
Extraction method:
Peel extraction: cold pressing method is commonly used to press fresh orange peel directly and extrude essential oil through physical means, which can maximize the natural activity and aroma of essential oil. Steam distillation can also be used, using water vapor to bring out the essential oil components in the peel, through condensation, oil-water separation and other steps to obtain essential oil, but it may decompose some heat-sensitive components, resulting in loss of aroma and efficacy.
Juice extraction: Usually using the pressing method, the orange fruit is squeezed out of the juice, and then through filtration, clarification and other processes to obtain pure orange juice.
Main chemical composition:
Peel: The main components of orange peel essential oil include moniterpene compounds such as limonene, γ-terpinene and laurene, as well as alcohols and ester compounds such as linalool acetate, linalool and nerolol, which give oranges a fresh aroma. In addition, it also contains flavonoids, such as hesperidin, naringin and so on.
Juices: Contain organic acids such as vitamin C, Vitamin B₁, Vitamin B₂, citric acid, malic acid, quinic acid and minerals such as calcium, phosphorus and iron.
Main producing area: Native to southeast China, it is now mainly distributed in tropical and subtropical areas. China's main producing areas are Jiangxi Gannan, Hubei Zigui, Hunan Mayang, Sichuan Meishan, Guangdong Lianjiang and other places. Foreign countries such as Florida, Brazil, Sao Paulo state, Valencia and other places are also important orange production areas.
Note: With a fresh, bright fruity note, the first smell is a strong citrus aroma, fresh and natural, then exudes a light floral and a hint of herbal smell, rich layers, giving people a pleasant and exciting feeling.
Aroma concentration: The aroma is strong and volatile, only a small amount can emit a significant aroma, and can be clearly smelled within a certain range.
Suitable essential oils:
Lavender essential oil: Combined with orange essential oil, it can add fresh fruit aroma on the basis of soothing and relaxing. Used in aromatherapy, it can help relax the body and mind, improve the quality of sleep, and purify the air.
Peppermint essential oil: The combination of the two can create a unique smell of cool and refreshing, which is excellent in the summer or when you need to refresh your mind. It can effectively relieve fatigue and improve concentration.
Tea tree essential oil: With orange essential oil, can enhance the antibacterial and anti-inflammatory effect, for skin care, acne, acne and other skin problems have a certain improvement.
Rose Essential oil: Mixed with orange essential oil, it creates a romantic and refreshing atmosphere and can be used in skin care products to lighten, moisturize and soothe the skin.
Functional characteristics:
Antibacterial and anti-inflammatory: The ingredients in oranges have an inhibitory effect on a variety of bacteria and fungi, which can be used as an auxiliary treatment for skin inflammation, acne and other problems, and can also purify the air and prevent respiratory infections.
Enhance immunity: Rich in nutrients such as vitamin C help to enhance the activity of white blood cells, improve the body's immunity, and help ward off disease.
Promote digestion: organic acids such as citric acid can stimulate gastric secretion, promote gastrointestinal peristalsis, relieve indigestion, bloating and other problems, and enhance digestive function.
Beauty and skin care: With antioxidant, whitening, astringent skin and other effects, can improve the skin dark, rough and other problems, make the skin more smooth and delicate.
Soothing mood: Its fresh aroma can soothe nerves, reduce anxiety, depression, tension and other bad emotions, make people feel happy, relax.
Common application:
Muscle conditioning: Diluted orange essential oil can be used for massage to promote blood circulation, relieve muscle soreness and fatigue, and relax muscle tension. For example, after exercise, take 3-5 drops of orange essential oil, add 10ml of base oil (such as sweet almond oil, olive oil), mix well, apply to sore muscles, gently massage until absorbed.
Immune system: Drinking orange juice or inhaling the aroma of orange essential oil through aromatherapy can regulate mood, strengthen the body's immunity, and help fight disease. During the flu season, use an aromatherapy machine indoors and add 5-8 drops of orange essential oil to fill the room with fragrance.
Nervous system: A few drops of orange essential oil on the pillow before going to bed, or aromatherapy, can soothe nerves, reduce anxiety, insomnia and other symptoms, help relax the body and mind, promote sleep. You can also drop orange essential oil on a cotton ball and place it next to your pillow for a continuous aroma. In addition, while working or studying, smelling the aroma of oranges can refresh the mind and improve concentration.
Taboo to use:
For allergic people: Before use, it is necessary to conduct an allergy test on a small area of skin, such as applying a small amount of diluted essential oil on the inside of the wrist, observing for 24 hours, if there is no allergic reaction such as redness, swelling, itching, etc., then normal use. Not for people allergic to oranges.
Too much stomach acid: orange juice is acidic, too much stomach acid drinking may stimulate the gastric mucosa, aggravate stomach discomfort, should be appropriate to drink.
Diabetics: oranges contain relatively high sugar content, diabetics should be careful to eat, control intake.
People taking certain medications: Ingredients in oranges may interact with certain medications, affecting the efficacy of medications or causing adverse reactions. People taking medications should consult their doctor before eating oranges or using orange-related products.
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