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Cultural method and device for common nostoc

The technology of a common candida and a cultivation method is applied to a large-scale cultivation device and the field of large-scale cultivation of soil cyanobacteria, which can solve the problems of low quality of the culture, soft original plant, easy to be polluted, etc., and achieves high dry matter content and moisture content. Increased content and good taste

Active Publication Date: 2012-08-15
WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method is roughly the same as the above-mentioned disadvantages of the previous method, that is, it is easy to be polluted during the cultivation process, the quality of the culture is low, the growth is slow, the original plant is soft, and the taste is not good, etc.

Method used

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  • Cultural method and device for common nostoc

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Embodiment 1

[0021] A large amount of cultivation method of Nostoc vulgaris is characterized in that comprising the steps:

[0022] ① Collection of algae species: Collect wild Nostoc vulgaris proplants that grow well (natural water absorption state is blue-black, without yellow spots), air-dried naturally, and crushed into pieces with a diameter of 1-1.5 mm.

[0023] ②Culture system assembly: the culture plate is square, the side length is 1m, and the height of the cofferdam is 5cm; the culture plate has 10 layers, and the spacing is 15cm; the middle of the culture plate is evenly drilled, and the area ratio of the hole / culture plate is 1-2%; the power of the solar photovoltaic panel is 100W, The maximum head of the circulating water pump is 2m, and the maximum water output is 2L / min.

[0024] ③Place 15kg of limestone with a diameter of 5cm evenly in the collection water tank. On the one hand, the limestone reacts with water and carbon dioxide to form calcium bicarbonate, and on the other ...

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Abstract

The invention discloses a cultural method and device for common nostoc. The method comprises the following steps of: a, preparation of nostoc seed: collecting natural, wild and common nostoc; b, inoculation: uniformly spreading water white water retaining agent after being saturated by absorbing water onto a culture plate and spreading the nostoc seeds onto the water retaining agent after being saturated by absorbing water; c, preparation of a nutrient medium, wherein the nutrient medium is composed of three parts; d, control of a cultural process: controlling the periodic cycle of the nutrient solution in a natural light period and generating power by adopting a photovoltaic panel to drive a water pump, thus a nutrient salt solution periodically returns and flows; and e, harvesting: turning off a water pump, carrying out natural air drying, dehydrating and contracting thallus and harvesting the thallus. The culture plate is fixed by a fixed support, a water tank is respectively connected with a water pump and a shading shed by virtue of guide pipes, the water pump is connected with a water tank by virtue of a guide pipe, the water tank is respectively connected with the water pump and a water collecting tank by virtue of guide pipes, and the water pump is connected with the photovoltaic panel. The method disclosed by the invention can be used for solving the problems that in the traditional cultural method, nostoc grows slowly, the yield is low, the thallus is loose and the quality is poor.

Description

technical field [0001] The invention belongs to the field of biotechnology, and more specifically relates to a mass cultivation method of soil cyanobacteria, and also relates to a mass cultivation device of soil cyanobacteria, which is especially suitable for mass cultivation of soil cyanobacteria. Background technique [0002] Nostoc commune, commonly known as ground fungus, also known as ground vegetable, ground soft and so on. Plant taxonomic status belongs to Cyanophyta (Cyanophyta), Cyanophyceae (Cyanophyceae), segmental algae (Hormogonales), Nostocaceae (Nostocaceae), Nostoc Vauch (Nostoc Vauch). Mature plants are in the form of wrinkled sheets and are widely distributed throughout the world. It has high nutritional value, high protein, low fat, and low calorie value. It is a healthy green food and is eaten as a traditional food in different parts of the world. In addition, its extracellular polymer is rich in ultraviolet shielding pigments, which can be developed as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/04C05G1/00
Inventor 王伟波张全发
Owner WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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