A kind of alkaloid-free/low alkaloid betel nut and preparation method thereof
A kind of alkaloid and betel nut technology, which is applied in plant/algae/fungi/moss components, pharmaceutical formulations, food science, etc., can solve the problems of hidden health hazards, high content of alkaloids, and high content of pesticide residues for consumers, and achieve low production costs , large amount of raw material processing, simple process effect
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Embodiment 1
[0048] (1) fruit selection: select 50 kg of dried betel nuts without rot, disease spots, and insect damage as raw materials, slice, and pick kernels;
[0049] (2) lye soaking: betel nut is used 300L lye, and lye is the sodium carbonate aqueous solution that mass percentage concentration is 6%, contains lecithin 50g in the lye, soaks 24 hours;
[0050] (3) Cleaning: remove the betel nut from the lye, rinse with pure water until neutral, drain or dry the water;
[0051] (4) Mixed solvent extraction: the betel nut drained in step (3) was reflux extracted twice with a mixed solvent (6# solvent oil: ethyl acetate = 9:1, V / V). The amount of mixed solvent for the first reflux extraction is 800L, and the time for reflux extraction is 4 hours; the amount of mixed solvent for the second reflux extraction is 600L, and the time for reflux extraction is 3 hours. After the reflux extraction is completed, after the solvent is removed by filtration, the residual solvent in the betel nut is d...
Embodiment 2
[0054] Other conditions are the same as in Example 1, except that in step (2), lecithin is replaced with soybean lecithin of the same quality.
[0055] Detected by high-performance liquid chromatography (HPLC) external standard method, the content of arecoline in the low alkaloid betel nut obtained in the present embodiment is 0.0068%; Detected by ultraviolet spectrophotometry, the content of arecoline in the obtained betel nut of the present embodiment is 0.0019% %; Detected by gas chromatography-mass spectrometry (GC-MS), 600 pesticide residues in the obtained betel nuts of the present embodiment were not detected; detected by high performance liquid chromatography, various aflatoxins were not detected in the obtained betel nuts of the present embodiment out.
Embodiment 3
[0057] (1) fruit selection: select 50 kg of betel nut fresh fruit without rot, disease spots, and insect damage as raw material, slice, and pick kernels;
[0058] (2) lye soaking: betel nut is used 300L lye, and lye is the sodium bicarbonate aqueous solution that mass percent concentration is 5%, contains glyceryl distearate 50g in the lye, soaks 24 hours;
[0059] (3) Cleaning: remove the betel nut from the lye, rinse with pure water until neutral, and dry the water;
[0060] (4) Mixed solvent extraction: the betel nut drained in step (3) was ultrasonically extracted twice with a mixed solvent (6# solvent oil:ethyl acetate=8:1, V / V). The amount of mixed solvent used for the first ultrasonic extraction was 500L, and the ultrasonic extraction time was 4 hours; the amount of mixed solvent used for the second ultrasonic extraction was 300L, and the ultrasonic extraction time was 4 hours. After the ultrasonic extraction is completed, after the solvent is removed by filtration, th...
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