Method for extracting tiliroside from Tibetan drug scindapsus aureus
An extraction method, the technology of silver lintin, is applied in the field of extraction and purification of active ingredients of traditional Chinese medicine, which can solve the problems of cumbersome process steps, easy clogging of ultrafiltration membranes, and difficulty in expanding production, and achieve simple, effective and strong practicability in the extraction process route and operability effects
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Embodiment 1
[0021] Example 1: The extraction method of tibetan glucoside in this Tibetan medicine green dill flower, the concrete operation is as follows:
[0022] (1) extract
[0023] Take dried 5.0 kg of green dill flowers (particle size is 1 mm) and 40 kg of ethanol solution (mass percentage concentration is 70%) and place them in a heat reflux extraction tank, reflux extraction at 50 ° C for 3 times, filter, and concentrate the filtrate to obtain a crude extract ( 613.56 g), the crude extract was dispersed with 1.5 kg hot water (45°C), cooled to room temperature and extracted twice with chloroform, the extracted part of chloroform was used for later use, and the remaining aqueous phase was further extracted three times with n-butanol; concentrated n-butanol Extract the part until the solid-liquid ratio is 1:2, cool, and filter with diatomaceous earth to obtain filtrate A;
[0024] (2) Polyamide resin adsorption and elution
[0025] Polyamide resin (GR, CXSZ-60) and filtrate A were...
Embodiment 2
[0034] Example 2: The extraction method of tibetan glucoside in this Tibetan medicine green dill flower, the concrete operation is as follows:
[0035] (1) Take 5.0 kg of dried green dill flowers (particle size is 2mm) and 45 kg of ethanol solution (65% concentration by mass percentage) and place them in a heat reflux extraction tank, reflux extraction twice at 55°C, filter, and concentrate the filtrate to obtain crude Extract (638.13 g), the crude extract was dispersed with 2.0kg of hot water (50°C), cooled to room temperature and extracted with chloroform three times, the chloroform extracted part was used for later use, and the remaining aqueous phase was further extracted twice with n-butanol; Concentrate the n-butanol extract under reduced pressure to a solid-to-liquid ratio of 1:3, cool, and filter through diatomaceous earth to obtain filtrate A;
[0036] (2) Polyamide phenol material (GR, CXSZ-60) and filtrate A are mixed in a ratio of 1L: 50g, the n-butanol solvent i...
Embodiment 3
[0040] Example 3: The extraction method of tibetan glucoside in this Tibetan medicine green dill flower, the concrete operation is as follows:
[0041] (1) Take dried 5.0 kg of green dill flowers (particle size: 3 mm) and 50 kg of ethanol solution (mass percentage concentration: 70%) in a heat reflux extraction tank, reflux extraction at 60°C for 3 times, filter, and concentrate the filtrate to obtain a crude extract (667.89 g), the crude extract was dispersed in 1.5 kg of hot water (45°C), cooled to room temperature and extracted twice with chloroform, the extracted part of chloroform was used for later use, and the remaining aqueous phase was further extracted three times with n-butanol, and concentrated under reduced pressure. Butanol extracted part until the solid-to-liquid ratio is 1:4, cooled, filtered with diatomaceous earth to obtain filtrate A;
[0042] (2) Polyamide phenol (GR, CXSZ-60) and filtrate A are mixed at a ratio of 1L: 70g, vacuum-drained n-butanol and th...
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