推荐回答(5个)
提取方法不同,产率也不同。
1、溶剂浸出法
使用溶剂浸出法提取油脂,一般选择石油醚、乙醚和正己烷等为萃取溶剂。孟维等比较了石油醚、正己烷和乙酸乙酯 3 种萃取溶剂对茶籽油的提取效果,结果表明石油醚为最佳萃取溶剂,最佳萃取工艺条件为: 料液比 1∶ 10,提取温度 50 ℃ 下,提取 2次,每次 3 h,萃取率达 93% 以上。
2、水代法
原理是用水去取代油脂在油料细胞中的位置,从而使油脂释放出来,然后根据水油不互溶的性质以及水和油密度的差异性利用离心力分离得到油脂的一种方法。水代法提取茶油的最优工艺条件: 料液比为 1∶ 4. 5,提取温度为 75 ℃,提取时间为 2. 5 h,pH = 9. 0,提取率高达90. 19% 。
3、超临界萃取法
超临界流体萃取技术一般选择 CO2 为萃取气体,将基质与萃取物有效分离、提取和纯化。CO2 具有安全、无毒、价格低廉和来源广泛等特点。萃取茶油最佳工艺: 萃取气体为 CO2,萃取压力 28 MPa,温 度42 ℃,萃取时间为 3 min,最高萃取率为 96. 8%。
茶籽油又名油茶籽油、山茶油、野山茶油等,色清味香,是我国传统食用油之一。其最大的特点是脂肪酸组成与橄榄油很接近,故又被誉为“东方橄榄油”。
数据显示,茶籽油中各种脂肪酸含量由高到低分别为油酸74%~87%、亚油酸7%~14%、饱和脂肪酸7%~11%。其特点是单不饱和脂肪酸(油酸)的含量甚至要超过橄榄油,但欧米伽3多不饱和脂肪酸(亚麻酸)含量很低。

扩展资料
油茶的播种育苗工作在冬季和春季都可以进行,比较适宜采用条播的方式。一般水稻土、重粘土、以及碱性反应土等不适合作为油茶的圃地,最好选择地势平坦、避风向阳、质地肥沃、且保水与排水性能良好的微酸性土壤分布区。
在播种前做好苗床并施足基肥,然后在播种后要覆盖上一层细肥土并在其上盖上一层薄草,以便保持土壤的湿润,使种子尽快发芽、出土。当种子发芽出土后,需要在阴天或者是傍晚的时候揭开薄草,并及时进行除草和松土工作。
参考资料来源:人民网-茶籽油,东方橄榄油
参考资料来源:百度百科-山茶籽
油茶籽是茶子树(茶油树)的种子;油茶主要种植在我国的南方。油茶籽带壳,含仁率50%-72%,油茶籽含油30%-40%,油茶籽出油率:根据各地品质不同14%-27%
实际压榨中还与油料作物使用的设备工艺,压榨工艺(热榨或者冷榨)有关系,一般来说,以花生为例子,压榨的压力越,含渣量越低,干饼残油率越低,出油率越高
采用热榨工艺和合理炒料有助于提高出油率
普通油茶籽出油率只有14%~27%,最高也在30%左右,而江西岗霞高产油茶基地的油茶,平均单果质量14.6~25.0克,鲜出籽率达到45.3%~56.1%,干籽出油率为42.6%~54.8%。
一百斤油茶籽能出多少油需要看本身油茶籽的品质,一般在20~30斤。
高产的一百斤茶谷、可以有七十斤茶米、七十斤茶米大概是三十斤油左右。
注意高低产量很大。
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