Assertion: jerusalem artichoke's leaf | /r/HasProperty | extracted by ethyl acetate
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Source sentences:
text: The most abundant phenolic acid obtained from leaves extracted by ethyl acetate was 1,5-diCQA (104 mg/g dry substance (DS), or 39%), while 3-CQA (74 mg/g DS or 55%) dominated in the-butanol fraction extracts [ 5 ].