Geranium is a perennial herb. The use of tender leaves to extract Geranium geranium oil is a raw material for the preparation of flavors. Plant height up to 1.5 to 2 meters. Stem base with lignification, the whole plant has soft and glandular hairs. Petiole long, leaf blade oval, with 5 to 7 palmately lobed, irregularly feathered scalloped edges. Umbrellas, pedicels long, flowers smaller, red or lavender, flowering from April to May.
This species originated in South Africa, which is the most widely distributed plant in the genus, and has many cultivars. It is mainly produced in Reunion, Africa. The Soviet Union, Morocco, and Algeria have also cultivated, but mainly geraniums are pink.
In the early 20th century, China introduced a small amount of potted plants as ornamental plants. After 1949, it was used for productive cultivation. It is mainly produced in Yunnan, Sichuan and Shanghai. Also introduced in small quantities are pink geraniums and grape leaf geraniums.
Geranium geranium is a thermophilic plant that is not resistant to low temperatures. Although drought-tolerant, but the production and cultivation require high soil moisture and air humidity. Suitable for loose, fertile and water-permeable soils. Resistant to alkaline earth, but not like acid soil.
When planting, clones of good varieties should be selected and cultured with cuttings. When cultivated as annual crops, it is generally cultivated in the greenhouse or in a hotbed in the winter of the previous year. The cuttings are grown with mature shoots that are about 15 cm in length and have 1 to 2 parietal leaves. After the rooting, a temperature condition of 8 to 10°C must be maintained. The following year after the frost was planted, the spacing was 50-60 cm. Organic fertilizers and ammonium sulfate, superphosphate, and potassium salts are applied during the growth period, and care must be taken to prevent and control aphids and spider mites. Every year from June to July and mid-October, one can harvest each time, and more can receive 3 to 4 times. The oil rate is about 0.1-0.2%. The main components of Geranium geranium oil are geraniol, citronellol, linalool, and phenethyl alcohol, which can be used as a substitute for rose oil to prepare flavors and additives for foods, soaps and toothpastes. .
Scented tea is also known as fruit grain of tea, is a kind of tea drink, in a variety of flowers and fruit drying, concentrate composition contains a variety of vitamins, fruit acid and minerals, but contains no caffeine and tannic acid, a variety of different flavors of scented tea is slightly different in composition, after brewing can still maintain the original flavor of fruit, rich aroma, add rock sugar drink, It can relieve mood and have the effect of beauty.
Flower and fruit tea, half is used to taste, half is used to appreciate, can not be put in a crock. When making tea, it is best to choose a transparent glass pot. It is also a kind of enjoyment to see the glittering and translucent tea water a little bit by the petals. In the brewing process of flower and fruit tea, the temperature should be slightly higher than that of general tea. Because the general tea has been rolled in the process of processing this process, and the flower and fruit tea in the production is generally dry after drying.
It should be noted that on the premise of brewing the flavor of tea soup, the brewing temperature should not be as high as possible, because some effective active substances in tea, such as polyphenols and flavonoids, will decompose at high temperature, so that the efficacy is damaged. Generally speaking, the higher the brewing temperature, the more bitter taste in the tea, can be appropriate to add a little orange juice, honey and other bitter. Of course, if you like a strong taste, you can also cook it.
Storage: The general storage method is to use a dry container, stored in a cool, dry environment. Drink as soon as possible after opening to ensure freshness. To serve, use a dry spoon. It is recommended to put scented tea into the refrigerator freezer, pay attention to storage should be away from fishy smell, avoid fish, seafood and other food put together.
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