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題 名 | 苦茶粕與無患子之皂素萃取與浸置水條件之福壽螺防治成效=Saponin Extracted and Pomacea Canaliculata Culling Performance in Ponding Water Condition of Tea Seed Kernel and Sapindus |
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作 者 | 周宜達; 葉一隆; 陳庭堅; | 書刊名 | 農業工程學報 |
卷 期 | 61:3 2015.09[民104.09] |
頁 次 | 頁56-60 |
分類號 | 433.3 |
關鍵詞 | 福壽螺; 苦茶粕; 無患子; 皂素; pH值; Pomacea Canaliculata; Tea seed kernel; Sapindus; Saponin; pH value; |
語 文 | 中文(Chinese) |
中文摘要 | 福壽螺於1979年引進台灣做為食用螺類,因肉質不佳遭棄養;由於無天敵威脅而迅速蔓延至各地溝渠、池塘及水稻田中,造成農產損失,並對環境生態造成嚴重影響。基於有機農業與生態保護之考量,本文探討苦茶粕與無患子之皂素萃取量,並探討降低水域環境影響之福壽螺撲殺適當劑量。本文分別利用50 g、100 g及150 g之苦茶粕及無患子置於600 ml蒸餾水中加熱後,以凍乾法分析苦茶粕及無患子之皂素萃取量,並探討濃度為66.7 ppm、16.7 ppm、13.3 ppm 與3.3 ppm等4種不同劑量於浸置狀態之福壽螺防治效益。 由試驗結果得知,3種劑量之苦茶粕在皂素萃取試驗中,加熱前pH平均值為5.32;加熱後放置常溫pH平均值為5.20,加熱前後之pH值降低2.26%,屬弱酸性;而皂素萃取量百分率平均為20.12%。而同劑量之無患子,在加熱前pH平均值為5.60;加熱後放置常溫pH平均值為5.38,加熱前後之pH值降低3.93%,屬弱酸性,皂素萃取量百分比平均為4.44%。以4種萃取皂素之劑量濃度撲殺福壽螺,除劑量3.3 ppm在3天觀測期之撲殺率為70%外,其他3種劑量均可達100 %撲殺效果。 |
英文摘要 | Pomacea Canaliculata was introduced into Taiwan as edible snails in 1979. However, the initiative was abandoned for poor meat flavor and taste. Because it has no natural enemies in Taiwan, it spread rapidly around the ditches, ponds, and paddy fields. The effects have seriously caused agricultural loss and ecological disaster. In considering organic agriculture promotion and ecological protection, this paper studied saponin extracted from sapindus and dregs of tea seed kernel to determine a Pomacea Canaliculata killing dose. Moreover, in order to reduce the negative impact on the aquatic environment, the suitable dosage to kill Pomacea Canaliculata was investigated. This study mixed 50, 100, and 150 g of sapindus and dregs of tea seed kernel, respectively, with 600 ml pure water, and then heated the mixed liquid. The cooled solutions were lyophilized, and then saponin was extracted. Four concentra-tions, 66.7, 16.7, 13.3, and 3.3 ppm of saponin were tested to determine the killing efficiency to Pomacea Canaliculata in ponding water condition. The results of pH tests showed that average pH value 5.32 and 5.60 before the solution was heated and 5.20 and 5.38 after solution was cooled to room temperature for the three dosages saponin extracted from tea seed kernel and sapindus, respectively. The average saponin extracted rate of tea seed kernel and sapindus were 20.12% and 4.44%, respectively. Four saponin dosages culled Pomacea Canaliculata tests showed that the saponin dosages had the most significant effects except 3.3 ppm with 70% killing rate during 3 days. |
本系統中英文摘要資訊取自各篇刊載內容。