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Super-green seawater pearl cultivation method

A cultivation method, emerald green technology, applied in the field of cultivation of emerald green seawater pearls, can solve problems such as unapplied pearl cultivation technology, and achieve the effect of increasing pearl yield, avoiding damage, and improving survival rate

Inactive Publication Date: 2015-07-01
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above principles have not been applied to pearl cultivation technology

Method used

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  • Super-green seawater pearl cultivation method
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  • Super-green seawater pearl cultivation method

Examples

Experimental program
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Effect test

Embodiment 1

[0043] The cultivation method of the emerald green seawater pearl of the present embodiment, comprises the following steps:

[0044] (1) Preparation of chromium-containing nutrient solution: Use a microporous membrane with a pore size of 0.22 μm to filter seawater as a solvent for the preparation of CrCl 2 ·6H 2 O's modified f / 2 medium to obtain chromium-containing nutrient solution.

[0045] The chromium-containing nutrient solution uses the above-mentioned filtered seawater as a solvent, and is added with:

[0046]

[0047] (2), preparation of chromium-rich diatom mud: the diatoms in the logarithmic growth phase, when OD440nm is 0.15, inoculated in the chromium-containing nutrient solution and cultivated continuously for 7 days to obtain diatom mud; ℃, 4000rpm, refrigerated and centrifuged for 20 minutes to retain the precipitate; then rinse the precipitate with deionized water 3 times to obtain chromium-rich diatom mud.

[0048] (3) Feeding Pinctada martensii: choose ...

Embodiment 2

[0052] The cultivation method of the emerald green seawater pearl of the present embodiment, comprises the following steps:

[0053] (1) Preparation of chromium-containing nutrient solution: use a microporous membrane with a pore size of 0.22 μm to filter seawater as a solvent for the preparation of CrSO 4 ·6H 2 O's modified f / 2 medium to obtain chromium-containing nutrient solution.

[0054] The chromium-containing nutrient solution uses the above-mentioned filtered seawater as a solvent, and is added with:

[0055]

[0056] (2), preparation of chromium-rich diatom mud: Diatom mud in the logarithmic growth phase, when OD440nm is 0.45, inoculated in chromium-containing nutrient solution and cultured continuously for 7 days to obtain diatom mud; diatom mud at 4 ° C , 3500rpm, high-speed refrigerated centrifugation for 30min, retain the precipitate, and then rinse the precipitate with deionized water 5 times to obtain chromium-rich diatom mud;

[0057] (3) Feeding Pinctada...

Embodiment 3

[0061] The cultivation method of the emerald green seawater pearl of the present embodiment, comprises the following steps:

[0062] (1) Preparation of chromium-containing nutrient solution: use a microporous membrane with a pore size of 0.45 μm to filter seawater as a solvent for the preparation of Cr(NO 3 ) 2 9H 2 O's modified f / 2 medium to obtain chromium-containing nutrient solution.

[0063] The chromium-containing nutrient solution uses the above-mentioned filtered seawater as a solvent, and is added with:

[0064]

[0065] (2), preparation of chromium-rich spirulina mud: the spirulina in the logarithmic growth phase, when OD440nm is 0.45, inoculated in the chromium-containing nutrient solution and cultured continuously for 7 days, to obtain the spirulina mud; put the spirulina mud at 0 ℃ , 4000rpm, high-speed refrigerated centrifugation for 30min, retain the precipitate; then wash the precipitate with deionized water 3 times to obtain chromium-rich spirulina mud. ...

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Abstract

The invention belongs to a pearl farming field and in particular relates to a super-green seawater pearl cultivation method; the method comprises the steps: continuously cultivating seaweeds in a chromium-containing nutrient solution; separating and purifying to obtain chromium-rich seaweed mud; continuously and quantitatively throwing the chromium-rich seaweed mud to feed pinctada martensii at different stages, thereby obtaining super-green seawater pearls. Chromium salt is added to an f / 2 culture medium, chromium elements act on a pearl layer in a food source transfer manner and then the super-green seawater pearls are obtained, so that the harm to pinctada is avoided; the survival rate and the pearl yielding rate of pearly shellfish can be improved; by means of the cooperation between the proper culture medium and the operation method, the survival rate and pearl yielding rate of the pearly shellfish and the production rate of excellent pearls are commonly improved.

Description

technical field [0001] The invention belongs to the field of pearl cultivation, and particularly relates to a method for cultivating emerald green seawater pearls. In the method, seaweed is continuously cultivated in a chromium-containing nutrient solution, and chromium-rich seaweed mud is obtained after separation and purification, and then the chromium-rich seaweed mud is continuously quantified Feed pearl oysters of different periods to get emerald green seawater pearls. Background technique [0002] Pearls are precious jewels of biomineralization in molluscs, and are generally divided into seawater pearls and freshwater pearls. Compared with freshwater pearls, most seawater pearls have higher roundness, stronger luster, more delicate feel, and more appreciation and medicinal value. The most common pearls in the Chinese market are sea-cultured pearls from Pinctada martensii. The pearl has a single color problem. The existing culture methods of Pinctada martensii cannot p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A23K1/18A01K61/56
CPCY02A40/81
Inventor 宋文东纪丽丽谷长生李世杰王亚宁胡世伟苗艳丽韩丝银
Owner GUANGDONG OCEAN UNIVERSITY
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