Method for continuous extraction of tannin and pectin from persimmon skin
A persimmon peel and pectin technology, applied in chemical instruments and methods, esterified saccharides, sugar derivatives, etc., can solve problems such as waste of resources, improve viscosity, increase nutritional value, and increase the added value of comprehensive utilization Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0039] 1. Take 100 grams of persimmon skin, then dry it, crush it, and sieve it to obtain 95 grams of raw material powder.
[0040] 2. Add 90 grams of the raw material powder into 1 liter of methanol, centrifuge and filter to obtain residue I; add 70 grams of the above residue I to 0.8 liter of acetone, centrifuge and filter to obtain residue II; add 60 grams of The residue II is centrifuged and filtered to obtain residue III and supernatant I.
[0041] 3. Concentrate the supernatant Ⅰ, then dilute the concentrated supernatant solution with distilled water, the diluted volume concentration is 9%, add cross-linked polyvinylpyrrolidone in the tannin diluent, the prepared mass concentration is
[0042] 13%, high-pressure homogenization at 55°C for 25 minutes, the pressure is 125Mpa, and then centrifuged at a speed of 15000rpm for 13 minutes, the precipitate is taken, and the precipitate is eluted twice with an equal volume of ethanol solution with a mass concentration of 70-85%, ...
Embodiment 2
[0050] 1. Take 100 grams of persimmon skin, then dry it, crush it, and sieve it to obtain 94 grams of raw material powder.
[0051] 2. Add 100 grams of raw material powder to 1 liter of methanol solution with a mass concentration of 98%, and filter to obtain residue I; add 80 grams of residue I to 0.8 liters of acetone solution with a mass concentration of 97%, and filter to obtain residue II; Add 70 g of residue II to 1 liter of chloroform, and filter to obtain 68 g of residue III and supernatant I.
[0052] 3. Concentrate the supernatant Ⅰ, then dilute the concentrated supernatant solution with distilled water, the diluted volume concentration is 10%, add cross-linked polyvinylpyrrolidone to the tannin diluent, the prepared mass concentration is 15%, 60°C Homogenize under high pressure for 30 minutes with a pressure of 150Mpa, then centrifuge at a speed of 15000rpm for 15 minutes, take the precipitate, and elute the precipitate with an equal volume of ethanol solution with a...
Embodiment 3
[0060] 1. Take 100 grams of persimmon skin, then dry it, crush it, and sieve it to obtain 96 grams of raw material powder;
[0061] 2. Add 80 grams of raw material powder to 1 liter of methanol, filter to obtain residue I; add 64 grams of residue I to 0.8 liter of acetone, and filter to obtain residue II; add 56 grams of residue II to 0.7 liter of chloroform, and filter to obtain 56 g of residue III and supernatant I.
[0062] 3. Concentrate the supernatant Ⅰ, then dilute the concentrated supernatant solution with distilled water, the diluted volume concentration is 8%, add cross-linked polyvinylpyrrolidone to the tannin diluent, the prepared mass concentration is 10%, 60°C Homogenize under high pressure for 20 minutes, the pressure is 100Mpa, then centrifuge at 15000rpm for 10 minutes, take the precipitate, and elute the precipitate twice with an equal volume of ethanol solution with a mass concentration of 70-85%, and then rotate it in vacuum at 40°C The ethanol solution wi...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More