Method for extracting polysaccharides from passion fruit peel
A technology of passion fruit and pericarp, which is applied in the field of extracting polysaccharides, can solve the problems that have not been reported, and achieve the effects of retaining physiological activity, easy control, and high extraction rate
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Embodiment 1
[0018] A method for extracting polysaccharides from passion fruit peel of the present invention comprises the following steps:
[0019] (1) Raw material processing: wash the passion fruit peel and slice it in a drying oven at about 55°C to dry, then place it in a pulverizer to pulverize it, and then pass it through an 80-mesh standard sieve to obtain passion fruit peel powder;
[0020] (2) Ultrasonic extraction: the passion fruit peel powder that step (1) gained is immersed in hot water, ultrasonic extraction, solid-liquid ratio (being the ratio of passion fruit peel powder and hot water) is 1g: 35mL, and extraction temperature is 55°C, the power of ultrasonic extraction is 150W, and the extraction time is 24min. After extraction, centrifuge at 6000rpm for 15min, immerse the filter residue in hot water, perform ultrasonic extraction according to the above extraction process, and filter; repeat filter residue immersion-ultrasonic- Filtration process 3 times, combined filtrate t...
Embodiment 2
[0025] A method for extracting polysaccharides from passion fruit peel of the present invention comprises the following steps:
[0026] (1) Raw material processing: After the passion fruit peel is washed, the slices are dried in a drying oven at about 55°C, then placed in a pulverizer to pulverize, and then filtered through an 80-mesh standard sieve to obtain passion fruit peel powder;
[0027] (2) ultrasonic extraction: the passion fruit peel powder that step (1) gained is immersed in hot water, ultrasonic extraction, solid-liquid ratio (being the ratio of passion fruit peel powder and hot water) is 1g: 4mL, and extraction temperature is At 60°C, the power of ultrasonic extraction is 200W, and the extraction time is 32min. After the extraction, centrifuge at 6000rpm for 15min, immerse the filter residue in hot water, perform ultrasonic extraction according to the above extraction process, and filter; repeat the filter residue immersion-ultrasonic-filtration Process 3 times, c...
Embodiment 3
[0032] (1) Raw material processing: After the passion fruit peel is washed, the slices are dried in a drying oven at about 55°C, then placed in a pulverizer to pulverize, and then filtered through an 80-mesh standard sieve to obtain passion fruit peel powder;
[0033] (2) Ultrasonic extraction: the passion fruit peel powder that step (1) gained is immersed in hot water, ultrasonic extraction, solid-liquid ratio (being the ratio of passion fruit peel powder and hot water) is 1g: 45mL, and extraction temperature is At 65°C, the power of ultrasonic extraction is 250W, and the extraction time is 40min. After extraction, centrifuge at 6000rpm for 15min, immerse the filter residue in hot water, perform ultrasonic extraction according to the above extraction process, and filter; repeat filter residue immersion-ultrasonic-filtration Process 3 times, combine filtrate to obtain extract;
[0034] (3) Ultrafiltration membrane cut-off concentration: adopt ultrafiltration membrane (molecula...
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