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牡丹籽油超聲波輔助提取工藝的響應(yīng)面法優(yōu)
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on Ultrasonic-assisted Extraction Technology of Oil from Paeonia suffruticosa Andr. Seeds with Response Surface Analysis
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    摘要:

    為優(yōu)化牡丹籽油的超聲波輔助提取工藝，在單因素試驗(yàn)基礎(chǔ)上，選擇液料比、超聲波功率、處理時間、處理溫度為自變量，牡丹籽油得率為響應(yīng)值，采用Box-Behnken試驗(yàn)設(shè)計方法，研究各自變量及其交互作用對牡丹籽油得率的影響。利用Design Expert軟件得到回歸方程的預(yù)測模型并進(jìn)行響應(yīng)面分析，確定超聲波輔助提取牡丹籽油的最佳條件為：液料比11mL/g，超聲波功率300W，處理時間60min，處理溫度54℃，提取次數(shù)為3次。在該工藝條件下，牡丹籽油得率達(dá)24.12%。GC—MS結(jié)果表明牡丹籽油中富含不飽和脂肪酸，其中亞油酸和亞麻酸的質(zhì)量分?jǐn)?shù)分別為

    Abstract:

    22.78%和64.14%。Based on the single factor analysis, the effect of liquidsolid ratio, ultrasonic power, extraction temperature, and extraction time on enhancing oil yield from Paeonia suffruticosa Andr. seed was evaluated by response surface analysis. A 4-factor, 3-level Box-Behnken experimental design was applied and the interactions of each factor on the oil yield were also investigated. The optimal conditions were at 54℃ extraction temperature, 11mL/g liquid-solid ratio, 300W ultrasonic power, and 60min extraction time using petroleum ether with a boiling range of 60～90℃ as the extraction agent. Under such conditions, the oil yield is 24.12% after three runs. The extracted oil was analyzed by GC—MS to determine the oil constituents. Unsaturated fatty acids such as linoleic acid and linolenic acid are abundant in Paeonia suffruticosa Andr. seeds. 

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易軍鵬,朱文學(xué),馬海樂,王易芬.牡丹籽油超聲波輔助提取工藝的響應(yīng)面法優(yōu)[J].農(nóng)業(yè)機(jī)械學(xué)報,2009,40(6):103-110. on Ultrasonic-assisted Extraction Technology of Oil from Paeonia suffruticosa Andr. Seeds with Response Surface Analysis[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(6):103-110.

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