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Date Posted: 02:51:43 05/17/05 Tue
Author: Ibrahim,T J
Subject: Re: Methods for Plant extraction
In reply to: zillah 's message, "Re: Methods for Plant extraction" on 06:35:26 02/22/04 Sun

>>>hi i will like to get a document to guide me in
>performing phytochemical screening thanks
>>>
>>>Hi!
>>>
>>>I am quite new in plant field, I am going to extract
>>>medicine plants as following steps:
>>>Partition procedures
>>>
>>>1. Plant medicine
>>>2. Dry completely
>>>3. Grinding
>>>4. Methanol extraction
>>>5. Filtration using Watmann No. 5 filter paper
>>>5. Concentration with rotary evaporator
>>>6. Suspend in distilled water
>>>7. Partitioning
>>> 1) partition with hexane
>>> 2) partition with n-butanol
>>> 3) then remain water extract
>>>
>>>I have a problem with butanol-partition. After
>>>partitioned with hexane, extracts (without
>evaporated)
>>>are added with butanol, but there is no 2 layer
>>>between butanol and water layer.
>>>
>>>Could you give me a hint? and give me a link to
>learn
>>>basic method in Plant Extraction?
>>>
>>>Thanks

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Replies:

  • Re: Methods for Plant extraction -- jasmin manahan, 22:23:25 07/21/05 Thu
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