Lycium ruthenicum anthocyanin and preparation method thereof
A black wolfberry anthocyanin, drying technology, applied in the direction of organic chemistry, metabolic diseases, endocrine system diseases, etc., can solve the problems of low product extraction rate, toxic and side effects, etc.
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Embodiment 1
[0036] A preparation method of black wolfberry anthocyanins, comprising the following steps:
[0037] Step 1. Preparation of black wolfberry anthocyanin powder: select black wolfberry and remove impurities, dry at 60°C for 12 hours, then pulverize through a high-speed pulverizer, pass through a 120-mesh sieve, prepare black wolfberry anthocyanin powder, pack bag spare;
[0038] Step 2. Black wolfberry anthocyanin extraction: Weigh the black wolfberry anthocyanin dry powder, add ethanol according to the mass volume ratio of 1:10, extract with ultrasonic power 120w for 25 minutes, centrifuge at 8000r / min for 10min, take out The supernatant, and the filter residue was repeatedly extracted, centrifuged, and the combined extract was the black wolfberry anthocyanin extract.
[0039] Step 3, purification and freeze-drying of black wolfberry anthocyanins: Pour ethanol with a volume fraction of 95% into a chromatographic column equipped with a macroporous resin, soak the macroporous r...
Embodiment 2
[0041] A preparation method of black wolfberry anthocyanins, comprising the following steps:
[0042] Step 1. Preparation of black wolfberry anthocyanin powder: select black wolfberry and remove impurities, dry at 55°C for 15 hours, then pulverize through a high-speed pulverizer, and pass through a 100-mesh sieve to prepare black wolfberry anthocyanin powder. bag spare;
[0043] Step 2. Black wolfberry anthocyanin extraction: Weigh the black wolfberry anthocyanin dry powder, add ethanol according to the mass volume ratio of 1:15, extract with ultrasonic power 100w for 30 minutes, centrifuge at 5000r / min for 15min, take out The supernatant, and the filter residue was repeatedly extracted, centrifuged, and the combined extract was the black wolfberry anthocyanin extract.
[0044]Step 3. Purification and freeze-drying of black wolfberry anthocyanins: Pour ethanol with a mass fraction of 95% into a chromatographic column equipped with a macroporous resin, soak the macroporous res...
Embodiment 3
[0046] A preparation method of black wolfberry anthocyanins, comprising the following steps:
[0047] Step 1. Preparation of black wolfberry anthocyanin powder: select black wolfberry and remove impurities, dry at 65°C for 10 hours, then pulverize through a high-speed pulverizer, and pass through a 150-mesh sieve to prepare black wolfberry anthocyanin powder. bag spare;
[0048] Step 2. Black wolfberry anthocyanin extraction: Weigh the black wolfberry anthocyanin dry powder, add ethanol according to the mass volume ratio of 1:5, extract with ultrasonic power 150w for 20 minutes, centrifuge at 10000r / min for 5min, take out The supernatant, and the filter residue was repeatedly extracted, centrifuged, and the combined extract was the black wolfberry anthocyanin extract.
[0049] Step 3. Purification and freeze-drying of black wolfberry anthocyanins: Pour ethanol with a mass fraction of 95% into a chromatographic column equipped with a macroporous resin, soak the macroporous res...
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