Active ingredient of folium ficus caricae capable of inhibiting and killing plant pathogenic fungus as well as production method and application thereof
A technology for plant pathogenic fungi and fig leaves, applied in the field of plant pesticides, can solve problems such as non-target biological damage, environmental pollution, human health hazards, etc., and achieve effects from a wide range of sources
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Embodiment 1
[0024] Embodiment 1: Fig leaf total extract,
[0025] (1) The dried fig leaves are crushed and passed through a 40-mesh sieve to obtain fig leaf powder.
[0026] (2) Get the 95% ethanol that is equivalent to about 7 times of the raw material quality (the general control range is 5-10 times) volume and extract at room temperature (the temperature is generally in the range of 18-24 ° C) for about 20h (the general control range is 12 -24h).
[0027] (3) Sonicate at about 50°C for 6 hours (the general control range is 4-8 hours). Use a Buchner funnel to filter under negative pressure to remove the residue to obtain the filtrate.
[0028] (4) the residue is further ultrasonically extracted for 6 hours (the general control range is 4-8h) with 95% ethanol equivalent to about 6 times (the general control range is 5-10 times) volume of the raw material quality, so that the activity in the fig leaves The ingredients are fully extracted, filtered with a Buchner funnel under negative p...
Embodiment 2
[0031] Embodiment 2: the preparation of n-hexane extract and antibacterial activity assay
[0032] (1) The dried fig leaves are crushed and passed through a 40-mesh sieve to obtain fig leaf powder.
[0033] (2) Get the 95% ethanol that is equivalent to about 7 times of the raw material quality (the general control range is 5-10 times) volume and extract at room temperature (the temperature is generally in the range of 18-24 ° C) for about 20h (the general control range is 12 -24h).
[0034] (3) Sonicate at about 50°C for 6 hours (the general control range is 4-8 hours). Use a Buchner funnel to filter under negative pressure to remove the residue to obtain the filtrate.
[0035](4) the residue is further ultrasonically extracted for 6 hours (the general control range is 4-8h) with 95% ethanol equivalent to about 6 times (the general control range is 5-10 times) volume of the raw material quality, so that the activity in the fig leaves The ingredients are fully extracted, fil...
Embodiment 3
[0039] Embodiment 3 ethyl acetate extract
[0040] (1) The dried fig leaves are crushed and passed through a 40-mesh sieve to obtain fig leaf powder.
[0041] (2) Get the 95% ethanol that is equivalent to about 7 times of the raw material quality (the general control range is 5-10 times) volume and extract at room temperature (the temperature is generally in the range of 18-24 ° C) for about 20h (the general control range is 12 -24h).
[0042] (3) Sonicate at about 50°C for 6 hours (the general control range is 4-8 hours). Use a Buchner funnel to filter under negative pressure to remove the residue to obtain the filtrate.
[0043] (4) the residue is further ultrasonically extracted for 6 hours (the general control range is 4-8h) with 95% ethanol equivalent to about 6 times (the general control range is 5-10 times) volume of the raw material quality, so that the activity in the fig leaves The ingredients are fully extracted, filtered with a Buchner funnel under negative pres...
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Abstract
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