CN101033477A - 可抗艾滋病的蝇蛆油及其脂肪酸的制备方法和用途 - Google Patents
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Abstract
本发明公开了一种可抗艾滋病的蝇蛆油及其脂肪酸的制备方法和用途。将蝇蛆水清洗,在真空度0.01Mpa以下,干燥至蝇蛆中水含量16%以下,粉碎,加入有机溶剂,浸提,分离固液两相,液相再蒸发回收溶剂,得到蝇蛆油;在以水配置的磷酸一氢钠与磷酸二氢钠pH6.0~8.0缓冲液中,加入中性脂肪酶,达每毫升180~200酶活国际单位;在配有中性脂肪酶的缓冲液中加入蝇蛆油,缓冲液与蝇蛆油的体积比为1∶0.8~1.3,搅拌反应,停止反应,静止分离,分出油相,以等体积水洗涤,油相旋转蒸干,得蝇蛆脂肪酸。本发明以蝇蛆为原料制备得到的蝇蛆油及其脂肪酸,对人艾滋病的整合酶、逆转录酶有良好的抑制和治疗作用。
Description
技术领域
本发明属生物工程技术领域,尤其涉及一种可抗艾滋病的蝇蛆油及其脂肪酸的制备方法。
背景技术
目前,蝇蛆作为高蛋白饲料的原料,不进行蝇蛆油的提取,将蝇蛆干燥、打粉,即作为饲料销售。而脂肪酸进行的生产技术一是以海洋鱼油为原料,经水解,再分离纯化,得到混合脂肪酸,其中不饱和脂肪酸的含量较高。另一种技术是以植物油为原料,经水解,再分离纯化,得到混合脂肪酸。海洋鱼油为原料生产的脂肪酸,因其中不饱和脂肪酸的含量较高,具有软化血管、增强供血、促进大脑发育等功能,因而可作为保健品,也可作为心血管疾病治疗的药物。以植物油为原料生产的脂肪酸功能一般,对人体心血管系统有一定的保健作用,但仅能作为食品用,很少开发为保健品。较多应用与日化工业。
发明内容
本发明的目的是提供一种可抗艾滋病的蝇蛆油及其脂肪酸的制备方法。
蝇蛆油及其脂肪酸制备方法是将蝇蛆水清洗,在真空度0.01Mpa以下,温度35~42℃干燥至蝇蛆水含量在16%以下,粉碎,加入其重量1~8倍的有机溶剂,在5~40℃浸提2~4小时,分离固液两相,液相在0.01Mpa真空度以下30~42℃蒸发回收溶剂,得到蝇蛆油;在以水配置的磷酸一氢钠与磷酸二氢钠pH6.0~7.0缓冲液中,加入中性脂肪酶,达每毫升180~200酶活国际单位;在配有中性脂肪酶的缓冲液中加入蝇蛆油,缓冲液与蝇蛆油的体积比为1∶0.8~1.3,保持38~40℃,搅拌反应2~3小时,停止反应,静止分离,分出油相,以等体积水洗涤3~4次,油相在真空0.01Mpa以下35~42℃旋转蒸干,得蝇蛆脂肪酸。
所述的有机溶剂为石油醚或乙烷的一种或两种的混合溶剂。石油醚、乙烷、及其混合溶剂与蝇蛆粉的重量比为1∶1~8。中性脂肪酶为猪胰中性脂肪酶、酵母中性脂肪酶及细菌中性脂肪酶。
蝇蛆油及其脂肪酸用于制备抑制和治疗艾滋病的整合酶、逆转录酶的药物。
本发明以蝇蛆为原料制备得到的蝇蛆油及其脂肪酸,动物试验表明无毒。质量稳定。不易氧化变质、易被人体吸收。经国家新药筛选中心试验表明,对人体艾滋病的整合酶、逆转录酶有良好的抑制和治疗作用。
具体实施方式
蝇蛆养殖方法的步骤如下:
1)大头金蝇饲养
采用房顶透明式蝇房,房内拉设有多根绳子供种蝇歇息,大头金蝇以动物蛋白、红糖、水果为食物,其中,动物蛋白35%~45%、红糖20%~30%、水果30%~40%,动物蛋白为蛆浆。以淫羊藿、赖氨酸、蛋氨酸、维生素作为催卵素,其中,淫羊藿20%~30%、赖氨酸15%~25%、蛋氨酸15%~25%、维生素25%~35%,维生素为B2。用集卵盘子收集蝇卵,在集卵盘上放上万分子一的碳酸氨水配制小麦麸,以引诱种蝇集中产卵,蝇房体积为10~20立方米,饲养量为30万~50万只种蝇;
2)蝇蛆饲养
采用通风的蝇蛆房,房顶用透明材料,房中装有换气扇和风扇,窗户、换气窗与房外相通的地方用纱窗严实封好,蝇蛆房内放置多个育蛆池,在育蛆池内放入蝇蛆饵料,同时放入上述蝇卵,育蛆池温度控制28℃~40℃,育蛆池由轻烧镁粉30%~50%、氧化镁30%~50%、木渣15%~25%原料制成,蝇蛆饵料的重量百分比组份为青蛙15%~30%、淡水鱼15%~30%、鸡20%~30%、水果25%~35%,其余为其它植物饲料,粉碎后在发酵池内发酵4~6天。
实施例1
按上述养殖方法养殖的蝇蛆为原料,将蝇蛆水清洗,在真空度0.01Mpa下,温度42℃干燥至蝇蛆中水含量10%,粉碎,加入其重量1倍的石油醚,在5℃浸提4小时,分离固液两相,液相在0.01Mpa真空度以下30℃蒸发回收石油醚,得到蝇蛆油;在以水配置的磷酸一氢钠与磷酸二氢钠pH6.0的缓冲液中,加入猪胰中性脂肪酶达每毫升180酶活国际单位;在配有猪胰中性脂肪酶的换液中加入蝇蛆油,缓冲液与蝇蛆油的比为1∶0.8,保持38℃,搅拌反应2.0小时,停止反应,静止分离,分出油相,以等体积水洗涤3次,油相在真空0.01Mpa下40℃旋转蒸干,得蝇蛆脂肪酸。
实施例2
按上述养殖方法养殖的蝇蛆为原料,将蝇蛆水清洗,在真空度0.003Mpa,温度35℃干燥至蝇蛆中水含量为13%,粉碎,加入其重量10倍的乙烷,在40℃浸提2小时,分离固液两相,液相在0.003Mpa真空度以下35℃蒸发回收乙烷得到蝇蛆油;在以水配置的磷酸一氢钠与磷酸二氢钠pH8.0缓冲液中,加入酵母中性脂肪酶,达每毫升200酶活国际单位;在配有酵母中性脂肪酶的缓冲液中加入蝇蛆油,缓冲液与蝇蛆油的体积比为1∶1.0,保持40℃,搅拌反应3.5小时,停止反应,静止分离,分出油相,以等体积水洗涤4次,油相在真空0.003Mpa下35℃旋转蒸干,得蝇蛆脂肪酸。
实施例3
按上述养殖方法养殖的蝇蛆为原料,将蝇蛆水清洗,在真空度0.008Mpa下,温度38℃干燥至蝇蛆中水含量15%,粉碎,加入其重量7倍的石油醚与乙烷的混合溶剂,石油醚与乙烷的混合溶剂为1∶1,在20℃浸提3小时,分离固液两相,液相在0.008Mpa真空度下40℃蒸发回收石油醚和乙烷的混合溶剂,得到蝇蛆油;在以水配置的磷酸一氢钠与磷酸二氢钠pH7.0缓冲液中,加入细菌中性脂肪酶,达每毫升195酶活国际单位;在配有细菌中性脂肪酶的缓冲液中加入蝇蛆油,缓冲液与蝇蛆油的体积比为1∶1.3,保持39℃,搅拌反应3小时,停止反应,静止分离,分出油相,以等体积水洗涤3次,油相在真空度0.008Mpa下38℃旋转蒸干,得蝇蛆脂肪酸。
Claims (5)
1.一种可抗艾滋病的蝇蛆油及其脂肪酸制备方法,其特征在于,将蝇蛆水清洗,在真空度0.01Mpa以下,温度35~42℃干燥至蝇蛆中水含量16%以下,粉碎,加入其重量1~10倍的有机溶剂,在5~40℃浸提2~4小时,分离固液两相,液相在0.01Mpa真空度以下30~42℃蒸发回收溶剂,得到蝇蛆油;在以水配置的磷酸一氢钠与磷酸二氢钠pH6.0~8.0缓冲液中,加入中性脂肪酶,达每毫升180~200美活国际单位;在配有中性脂肪酶的缓冲液中加入蝇蛆油,缓冲液与蝇蛆油的体积比为1∶0.8~1.3,保持38~40℃,搅拌反应2~3小时,停止反应,静止分离,分出油相,以等体积水洗涤3~4次,油相在真空0.01Mpa以下35~42℃旋转蒸干,得蝇蛆脂肪酸。
2.根据权利要求1所述的一种可抗艾滋病的蝇蛆油及其脂肪酸制备方法,其特征在于,所述的有机溶剂为石油醚或乙烷的一种或两种的混合溶剂。
3.根据权利要求2所述的一种可抗艾滋病的蝇蛆油及其脂肪酸制备方法,其特征在于,所述的石油醚、乙烷、及其混合溶剂与蝇蛆粉的重量比为1∶1~8。
4.根据权利要求1所述的一种可抗艾滋病的蝇蛆油及其脂肪酸制备方法,其特征在于,所述的中性脂肪酸为猪胰中性脂肪酸、酵母中性脂肪酸或细菌中性脂肪酸。
5.一种如权利要求1所述方法制备可抗艾滋病的蝇蛆油及其脂肪酸的用途,其特征在于,用于制备抑制和治疗艾滋病的整合酶、逆转录酶的药物。
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| CN1869180A (zh) * | 2006-06-26 | 2006-11-29 | 王爱民 | 一种提取蝇蛆油脂的方法 |
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| RU2505592C2 (ru) * | 2009-07-14 | 2014-01-27 | Рентас Э Инверсионес Экотекнос С.А. | Получение жирных кислот из личинок насекомых |
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