A Haitian melon active peptide with hypoglycemic activity
A Haitian melon and hypoglycemic technology, applied in the field of Haitian melon active peptides, can solve problems such as lack of deep processing
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Embodiment 1
[0020] Crush 100g of dried Haitian melon, add water to make a suspension, wherein the mass ratio of Haitian melon to water is 1:6; then add 2% trypsin and papain compound enzyme (1:1) for enzymatic hydrolysis, the enzymatic hydrolysis process A magnetic stirrer was used in the medium, the enzymolysis time was 4 hours, the temperature was 50°C, and the pH value was 7; after the enzymolysis, ethanol was added to precipitate the polysaccharide, and the supernatant was collected after centrifugation at 8000rpm for 20min, and the supernatant was filtered through 1000Da and 360Da membranes , collect the concentrated solution with a molecular weight of 360-1000, decolorize the concentrated solution with activated carbon, remove fishy smell, and spray dry to obtain 10.65g of Haitian melon polypeptide. Through multiple screening and evaluation methods such as α-amylase inhibitor screening model, α-glucosidase inhibitor screening model, DPP4 inhibitor screening model, and insulin secreti...
Embodiment 2
[0022] Crush 100g of dried Haitian melon, add water to make a suspension, wherein the mass ratio of Haitian melon to water is 1:6; then add 2% trypsin and papain (3:2) for enzymatic hydrolysis, the enzymatic hydrolysis process Use a magnetic stirrer in the medium, enzymolysis time 2h, temperature 50°C, pH value 7; after enzymolysis, add ethanol to precipitate polysaccharides, centrifuge at 8000rpm for 20min, take the supernatant, and filter the supernatant through 1000Da and 360Da membranes , collect the concentrated solution with a molecular weight of 360-1000, decolorize the concentrated solution with activated carbon, remove fishy smell, and spray dry to obtain 13.5g of Haitian melon polypeptide. Through multiple screening and evaluation methods such as α-amylase inhibitor screening model, α-glucosidase inhibitor screening model, DPP4 inhibitor screening model, and insulin secretion model of islet cells after high-glucose injury, the combination of trypsin and papain was det...
Embodiment 3
[0024] Crush 100g of dried Haitian melon, add water to make a suspension, wherein the mass ratio of Haitian melon to water is 1:6; then add 4% trypsin and papain compound enzyme (3:1) for enzymatic hydrolysis, the enzymatic hydrolysis process Use a magnetic stirrer in the medium, enzymolysis time 2h, temperature 50°C, pH value 7; after enzymolysis, add ethanol to precipitate polysaccharides, centrifuge at 8000rpm for 20min, take the supernatant, and filter the supernatant through 1000Da and 360Da membranes , collect the concentrated solution with a molecular weight of 360-1000, decolorize the concentrated solution with activated carbon, remove the smell, and spray dry to obtain 17.8g of Haitian melon polypeptide. Through multiple screening and evaluation methods such as α-amylase inhibitor screening model, α-glucosidase inhibitor screening model, DPP4 inhibitor screening model, and insulin secretion model of islet cells after high-glucose injury, the combination of trypsin and ...
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