Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for extracting tea saponin from tea-seed pancake

A technology of camellia seed cake and tea saponin, which is applied in the field of deep processing of camellia seed products, can solve the problems of many extractants, low product purity, low tea saponin purity, etc., and achieves fast extraction speed, high product purity, and high extraction rate. Effect

Inactive Publication Date: 2013-12-04
老知青集团有限公司
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method is easy to get the extractant, the process flow is longer, and the fuel consumption is also more, and the purity of the product obtained is lower, so that its use is limited to a certain extent; the second method is to extract tea saponin with solvents such as ethanol as the extractant , with this method, although the purity of the resulting product is improved, the extractant consumes a lot and the cost is higher. Although the patent application ZL 201110165902.7 "A Method for Extracting Camellia oleifera Seed Oil and Tea Saponin from Camellia oleifera Seeds" mentioned in the text And can adopt isopropanol as extraction agent to extract tea saponin, but it does not specifically disclose the technical scheme that adopts isopropanol as extraction agent, and the extractant that consumes when solvents such as its disclosed method ethanol extracts tea saponin as extraction agent More, the purity of the obtained tea saponin is also low

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Step 01: After crushing the tea seed cake and drying it in the sun, weigh 75 grams of tea seed cake powder, put it into a 500 ml Soxhlet extractor, add 200 ml of isopropanol extractant containing 0.1% water, and heat Reflux extraction for 1.5 hours;

[0020] Step 02: Distill all the extracts separated from the Soxhlet extractor in Step 01, recover 145ml of isopropanol as the extractant, and the residue after distillation is crude tea saponin;

[0021] Step 03: Transfer the crude tea saponin obtained in step 02 into an evaporating dish, heat it on a water bath to constant weight, and obtain 9.5 grams of refined tea saponin, the purity of which is greater than 97.3%;

[0022] Step 04: Heat the residue remaining in the Soxhlet extractor in step 01 with a water bath, steam the extractant isopropanol remaining in the residue, recover 45ml of isopropanol, and the recovered isopropanol in step 02 and step 04 can be used in step 04 01 Recycle.

Embodiment 2

[0024] Step 01: After crushing the tea seed cake and drying it in the sun, weigh 75 grams of tea seed cake powder, put it into a 500 ml Soxhlet extractor, add 75 ml of isopropanol extractant containing 0.2% water, and heat Reflux extraction for 2 hours;

[0025] Step 02: Distill all the extracts separated from the Soxhlet extractor in Step 01, recover 55ml of isopropanol as the extractant, and the residue after distillation is crude tea saponin;

[0026] Step 03: Transfer the crude tea saponin obtained in step 02 into an evaporating dish, heat it on a water bath to constant weight, and obtain 4.1 grams of refined tea saponin, the purity of which is greater than 85%;

[0027] Step 04: Heat the residue remaining in the Soxhlet extractor in step 01 with a water bath, steam the extractant isopropanol remaining in the residue, recover 10ml of isopropanol, and the recovered isopropanol in step 02 and step 04 can be used in step 04 01 Recycle.

Embodiment 3

[0029] Step 01: After crushing the tea seed cake and drying it in the sun, weigh 75 grams of tea seed cake powder, put it into a 500 ml Soxhlet extractor, add 175 ml of isopropanol extractant containing 0.2% water, and heat Reflux extraction for 2 hours;

[0030] Step 02: Distill all the extracts separated from the Soxhlet extractor in Step 01, recover 140ml of isopropanol as the extractant, and the residue after distillation is crude tea saponin;

[0031] Step 03: Transfer the crude tea saponin obtained in step 02 into an evaporating dish, heat it on a water bath to constant weight, and obtain 8.8 grams of refined tea saponin, the purity of which is greater than 95%;

[0032] Step 04: Heating the residue remaining in the Soxhlet extractor in step 01 with a water bath, steaming out the extractant isopropanol remaining in the residue, recovering 16ml of isopropanol, and the recovered isopropanol in step 02 and step 04 can be used in step 04 01 Recycle.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method for extracting tea saponin from a tea-seed pancake. The method comprises the following steps of: crushing tea seed cake meal and drying, and putting into a Soxhlet extractor; adding an isopropanol extracting agent, wherein the weight volume ratio of the tea seed cake meal to the isopropanol extracting agent is 1 to 3; and heating to perform reflux extraction, distilling, evaporating to obtain high-purity tea saponin, wherein the used isopropanol extracting agent can be recycled. The method has the advantages that the extraction rate is high, the extraction speed is high, and the obtained product is high in purity; and the isopropanol is rich in source and low in price, can be recycled and is an ideal extracting agent.

Description

technical field [0001] The invention relates to the technical field of deep processing of camellia oleifera seed products, in particular to a method for extracting tea saponin from camellia oleifera seed cake. Background technique [0002] Tea saponin is a pentacyclic triterpenoid saponin in camellia oleifera seed, which is a kind of glycoside compound with complex structure composed of ligand, sugar body and organic acid. Crude tea saponin is generally a light yellow to brown amorphous solid, brittle, and has good water solubility. When its aqueous solution is shaken, it can produce persistent foam. Therefore, it is a good natural detergent and emulsifier, which can be used in oil emulsification, daily chemical industry and textile industry. [0003] Camellia oleifera is widely cultivated in the mountainous areas of various provinces in the south of the Yangtze River in my country. The planting area in Fujian Province alone reaches about 3 million mu. In the production of...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C07J63/00C07H15/256C07H1/08
Inventor 张长发黄东红
Owner 老知青集团有限公司