Cuscuta chinensis.Dodder.Dodder seed extract Pharmacological Actions.
Contents
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- Botanical Basic Data of Cuscuta chinensis(Dodder).
- Archeology of Dodder.
- Description of Cuscuta chinensis(Dodder).
- Constituents and Phytochemicals of Dodder Seed.
- Historical Use of Dodder Seed.
- Pharmacological Actions of Dodder Seed.
- Dodder Seed extracts as male sexual enhancement material.
- Dodder plant extracts as good cancer inhibitor.
- Tinnitus Relief Formula Material.
- Polysaccharide of Cuscuta Chinesis and its Immunological Adjuvant Effect.
- Vision Formular for Cataract and Glaucoma and Dodder Seed Combination.
- Administration and Dosage.
- Adverse Effect, Side Effects and Cautions,Toxity.
- Research Update:Dodder Seed.
- Photo Gallery of Dodder.
Description of Cuscuta chinensis(Dodder).:
Dodder - a leafless parasitic vine that attaches its reddish-orange threadlike stems to green plants by means of suckers to draw out nourishment. Pinkish-white flowers (July-September) have five sharp, spreading, triangular lobes and grow in dense clusters. The seeds may remain dormant for up to eight years. Dodder is a nuisance to farmers growing alfalfa and clover.
Dodder (Cuscuta and Grammica), is a twining yellow or orange plant sometimes tinged with purple or red. Occasionally it is almost white. The stems can be very thin and thread-like or relatively stout (a species characteristic).
Dodder is classified as a member of the Morning-Glory Family (Convolvulaceae) in older references, and as a member of the Dodder Family (Cuscutaceae) in the more recent publications. Welsh et al. reports twelve species of Cuscuta in Utah while Weber (1986) separates this family into two genera with one species in Cuscuta and five species in the genus Grammica. Weber's separation is based on the shape of the stigma.
Dodder parasitizes various kinds of wild and cultivated plants, and is especially destructive to alfalfa, lespedeza, flax, clover and potatoes. Ornamentals attacked included chrysanthemum, dahlia, helenium, Virginia-creeper, trumpet-vine, English ivy and petunias. Dodder is particularly troublesome where alfalfa, clover and onion are grown for seed because dodder seed is difficult to remove from the desired seed crop and can be spread with infested seed. Its water, minerals and carbohydrates are absorbed from the host through haustoria that penetrate the host's tissue. In dodder the haustoria are modified adventitious roots.
Dodder is said (Wilson, et al.) to contain some chlorophyll in the buds, fruits and stems, but the amount of food manufactured in this tissue is of little significance to the survival of the plant.
The flowers are numerous, white, pink or yellowish, small (2 to 4 mm long depending on species), and can be borne in tight balls or in a loose cluster (again depending on species). Flowers normally appear from early June to the end of the growing season. The fruit is about 1/8 th inch in diameter, with thin papery walls and contain 1 to 4 seeds. The seeds are yellow to brown or black, nearly round and have a fine rough surface with one round and two flat sides.
Dodder produces seed that drops to the ground and germinate the next growing season if a suitable host is present. If no suitable host is present, the seed may remain dormant for five years.
Dodder seedlings must attach to a suitable host within a few days of germinating or they die. The young seedling is sensitive to touch and yellowish stem gropes in the air until it makes contact with a plant. The contact is made firm by one or more coils about the stem. If this plant happens to contain foods suitable to the dodder then a secondary stimulus is aroused which causes root-like branches (haustoria) to form and penetrate the stem. The basal part of the parasite soon shrivels away so that no soil connection exists.
Brief life of Dodder:
Dodder seeding autumn yearly, seed easy pass winter and shoot out from the end of next spring. Young plant grow its line shape in soft earth, seeding grow and depend on the nutrition stored in seed,then helix shape stem grow out. Sensitive of stem cells, at this period of end spring summer begin,many kinds of plant grow mature,flourish plant around make dodder easy find its parasitic host,. Once connected with host,hold on stem of host and begin its parasitic life, root in earth begin to perish.
Difference between Chinese Dodder and Cuscuta europaea Linn:
Dodder seed is parasitic herb,seed used as medicine,main for tonify liver and kidney,boost sperm and light eyes. Main for treatment of waist knee sour soft,erection dysfunction,frequent urine, swirl and swimming,slip eyesight,foreboding abortion,lower blood pressure. Chinese Dodder parasite to host plant covered herbage plant 23 Convolvulaceae families 74 kinds,wood herb 3 families 3 kinds.Cuscuta europaea Linn. parasite to host plant herbage 6 kinds.Cuscuta monogyna Vahl parasite to host plant herbage 10 kinds, wood 13 kinds.
Difference between Dodder Seed and Big Grain Dodder Seed:
1.Dodder Seed:shape ball or egg,sunken at both sides,long diameter 1.5 mm length,short diameter 1mm around.Drak brown to red brown appearance,light coarseness. Look by magnifying glass,dark dot title close apread on surface,light round dot one side,line shape hila in the middle.Hard and not easy to crash, stave but not broken once pressed. shuck off seed capsule,albumen membrane cover shape,embryo slightness convolute,smellless,taste light sour bitter.
2.Big Grain Dodder Seed:shape similar as above,but bigger,long diameter about 3 mm,short diameter about 2~3 mm.Look by magnifying glass, short line shaped dapple on surface. shuck off seed capsule,embryo cover shape,waterlogging make glue. smellless,taste light sour.
Reference:
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- 1.Cuscuta chinensis.Dodder.Dodder seed extract Pharmacological Actions.
Article Information:
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