Glycoside ester compound and preparation method and application thereof
A compound and glycoside ester technology, applied in the field of plant active ingredients, can solve the problems of less research on glycoside ester compounds, and achieve good development prospects, good anti-tumor effect, and easy operation
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Embodiment 1
[0030] Example 1 The heavy metal stress of purslane
[0031] Cultivate 100 plants of purslane, divided into 50 plants in the experimental group and 50 plants in the control group; when the purslane emerges, use 2% CuCl 2 The solution was sprayed on the plants for 48 hours; the purslane was harvested after growing to an adult plant, and dried at 60°C.
Embodiment 2
[0032] The preparation of embodiment 2 glycoside ester compound
[0033] Take 500g of dried purslane, soak it in methanol for 2 weeks, suspend the soaking solution in 1L distilled water after concentration, extract the water suspension with 1L n-butanol, and concentrate the n-butanol extract to obtain the extract; (100 mesh, 100g) mixed sample, carry out normal phase silica gel column chromatography separation (200-300 mesh, 1kg; Silica gel column size L 500mm, ), followed by gradient elution with chloroform / methanol with a volume ratio of 9:1, 5:1, 1:1, 1:3, and 1:9, 5 L each time; Fractions were combined and recrystallized from methanol.
Embodiment 3
[0034] The preparation of embodiment 3 glycoside ester compound
[0035] Get 500g dried purslane, extract with 5L ethanol reflux, extract concentrated, water suspension extract with 1L n-butanol, n-butanol extract concentrate; Mix sample with silica gel (100 mesh, 100g), carry out normal phase silica gel column chromatography (200-300 mesh, 1kg; silica gel column size L 500mm, ), followed by gradient elution with a volume ratio of 9:1, 5:1, 1:1, 1:3, 1:9 chloroform / methanol mixture, 5L each time; The fractions of 1 were combined and recrystallized from methanol.
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