TH15809C3 - The process of extracting the color from the teak leaves by boiling - Google Patents

Abstract

1 page of the number 1 page summary of the invention The process of extracting the color from the teak leaves by boiling This discusses the preparation of the teak extract color. With this brew Starting from the collection of tattoo leaves By pruning branches at the bottom of the trunk And choose a tattoo that is Mature They were dried at a temperature of 50-60 degrees Celsius for a period of 24 hours and ground teak leaves into powder extracted by boiling method (Decoction) with water or methanol water with a ratio of 1 0.25-5 or mixed water. Ethanol With a ratio of 1: 0.25-5 parts or acid water Or alkaline water With Acid-base range 1-12 in the ratio of 1 kg of dry powder per 5 - 20 liters of solvent, filter to get clear extracts and then dried. To be used in the production of natural colorants from the tattoo leaves Which color extract The teak leaves obtained from this preparation come in various shades, including sugar, red mulberry and red mulberry:

Claims (2)

Disclaimer (all) which will not appear on the advertisement page: Amendment 17/10/2018 Clause 1.25 - 5 parts or acidic or lye. To get the pH value in the range of 1-12, stir continuously while boiling with temperature control in the range of 70 - 90 degrees Celsius and boiling time 1 - 3 hours, then set to cool. The process of filtering the color extract obtained from step C. To obtain the extract E. Re-extraction of the remaining teak residue from step D. According to step C. Filter, separate the pulp and combine. The color extract obtained at this stage with the color extract obtained from the step d f. The drying process of the color extract obtained from the step E. drying in case of aqueous solvent. Or water mixed with methanol or water mixed with ethanol. Evaporate the solvent from the color extract with the evaporator. Under vacuum (Rotary evaporator) and dried powder with freeze dryer (Freeze dryer) in case of extraction by boiling with water. Or acidic water Or alkaline water To dry powder by machine Freeze drying (Freeze dryer). 2. The process of extracting the color of the leaves by boiling. According to the claim No. 1, where the tattoo is obtained from the method of selecting the available The appearance is a light teak leaf that is light green with red sugar. And a mature teak with a dark green color and The back of the leaf is hairy. ----------- 1 page of the amount 1 page. 1.25 - 5 parts or acid water or alkaline water To get the pH value in the range of 1-12, stir continuously while boiling with temperature control in the range of 70 - 90 degrees Celsius and boiling time 1 - 3 hours, then set to cool. The process of filtering the color extract obtained from step C. To obtain the extract E. Re-extraction of the remaining teak residue from step D. According to step C. Filter, separate the pulp and combine. The color extract obtained at this stage with the color extract obtained from the step d f. The drying process of the color extract obtained from the step E. drying in case of aqueous solvent. Or water mixed with methanol or water mixed with ethanol. Evaporate the solvent from the color extract with the evaporator. Under vacuum (Rotaryevaporator) and dried powder with freeze dryer (Freeze dryer) in case of extraction by boiling with water. Or acidic water Or alkaline water To dry powder by machine Freeze dryer 2. The process of extracting the color from the leaves by boiling. According to the claim No. 1, which can be obtained from the selection method of the certificate The appearance is a light teak leaf that is light green with red sugar. And a mature teak with a dark green color and The leaves are hairy.