Method of extracting capsaicin and capsaithin from red pepper
A technology for capsanthin and capsaicin, applied in chemical instruments and methods, separation/purification of carboxylic acid amides, natural dyes, etc., can solve the problems of incomplete extraction and unsatisfactory extraction rate of effective components, and achieve high recovery rate , The effect of short production cycle and improved net rate
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Embodiment 1
[0024] First add 1000 liters of 55% ethanol and 600 liters of No. 6 solvent oil in the extraction tank, after starting to stir, add 200 kg of dried chili powder (total color value 1900, capsicum total alkali 0.9 kg), filter after extracting at room temperature for 2 hours, repeat Leach 2 times, the resulting filtrate was left to stand in a separator for 1 hour, and the separated No. 6 solvent oil phase was concentrated under reduced pressure to recover No. 6 solvent oil. Nitrogen was passed through the concentrate and the solvent residue was removed under reduced pressure. , obtain high-quality capsanthin 9kg. The separated ethanol phase is concentrated under reduced pressure to reclaim the ethanol, and the concentrated water phase is cooled to 25° C., and after maintaining for 3 hours, 1.8 kg of capsicum essence product separated out is separated. After the aqueous phase of the mother liquor was adjusted to pH 7-8 with hydrochloric acid, it was transferred into the crystalliz...
Embodiment 2
[0034] In the extraction tank, first add 1200 liters of 65% ethanol and 800 liters of No. 6 solvent oil. After starting the mixer, add 250 kg of paprika (total color value 2375, total alkali 1.125 kg), and extract at room temperature for 3 hours. The following steps are the same Example
[0035] 1: Get the product:
[0036] Capsanthin: 12.2kg
[0037] Capsaicin crystals: 0.337kg
[0038] Chilli essence: 2.25kg
[0039] After the same test, the results are as follows:
[0040] Capsanthin: Color price: E 1cm 1% 460nm=185
[0041] Total dissolved residue: 13mg / Kg
[0042] Capsaicin (calculated as total base) content: 0.007%
[0043] Capsaicin crystals: total alkali content 99.5%
[0044] Capsicum extract: total alkali content 29%
[0045] Total alkali recovery: 88%
[0046] Color recovery rate: 95%.
Embodiment 3
[0048] Mixed extractant: 1400 liters of 75% ethanol, 700 liters of No. 6 mineral spirits
[0049] Chili powder 300kg (total color price: 1850, total alkalinity 1.35kg)
[0050] Operation steps are with embodiment 1
[0051] Get the product:
[0052] Capsanthin: 14.2kg
[0053] Capsaicin crystals: 0.405kg
[0054] Chilli essence: 2.7kg
[0055] After the same test, the results are as follows:
[0056] Capsanthin: Color price: E 1cm 1% 460nm = 190
[0057] Total dissolved residue: 10mg / Kg
[0058] Capsaicin (calculated as total base) content: 0.007%
[0059] Capsaicin crystals: total alkali content 99.4%
[0060] Capsicum extract: total alkali content 28%
[0061] Total alkali recovery: 86%
[0062] Color recovery rate: 94.7%.
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