葡萄籽油，2L （=68 FL OZ），附近的美国超市，才不到$9.

肯定比中国店的便宜多了。

不知道Costco是不是更便宜。很久没去过了。最近的Costco都要开车一小时，

自己也实在没什么要在Costco买。

附：自己炒菜比较，橄榄油比葡萄籽油容易出烟。也许正好我家橄榄油和葡萄籽油品种特别。

这个网站的Smoke Points跟Wiki的不一样

http://www.goodeatsfanpage.com/collectedinfo/oilsmokepoints.htm

Note: Smoke point ranges can vary wildly based on many different factors. Use the following temps only as a starting point.
SORTED BY TEMP	SORTED BY NAME
200's 225 F: Canola Oil, Unrefined : Flaxseed Oil, Unrefined : Safflower Oil, Unrefined : Sunflower Oil, Unrefined 300's 320 F: Corn Oil, Unrefined : High-Oleic Sunflower Oil, Unrefined : Olive Oil, Unrefined : Peanut Oil, Unrefined : Safflower Oil, Semi-Refined : Soy Oil, Unrefined : Walnut Oil, Unrefined 325 F: Shortening, Emulsified Vegetable† 330 F: Hemp Seed Oil¥¥ 350 F: Butter (Good Eats) : Canola Oil, Semi-Refined : Coconut Oil† : Sesame Oil, Unrefined : Soy Oil, Semi-Refined 356-370 F: Vegetable Shortening 361-401 F: Lard 375 F: Olive Oil (Good Eats) 389 F: Macadamia Nut Oil†† 400's 400 F: Canola Oil, Refined : Walnut Oil, Semi-Refined 406 F: Olive Oil, Extra Virgin* 410 F: Corn Oil (Good Eats) : Sesame Oil** 420 F: Cottonseed Oil† : Grapeseed Oil¥ : Olive Oil, Virgin** 430 F: Almond Oil*** : Hazelnut Oil*** 435 F: Canola Oil (Good Eats) 438 F: Olive Oil* : Rapeseed Oil*** 440 F: Peanut Oil† : Sunflower Oil† 450 F: Corn Oil, Refined : High-Oleic Sunflower Oil, Refined : Peanut Oil, Refined (Good Eats) : Safflower Oil, Ref. (Good Eats) : Sesame Oil, Semi-Refined : Soy Oil, Refined : Sunflower Oil, Semi-Refined 460 F: Olive Pomace Oil** 468 F: Olive Oil, Extra Light* 485 F: Grapeseed Oil** 495 F: Soy Bean Oil† 500's 510 F: Safflower Oil† 520 F: Avocado Oil, Refined	Almond Oil*** 430 F Avocado Oil: Refined 520 F Butter (Good Eats) 350 F Canola Oil: Unrefined 225 F Semi-Refined 350 F Refined 400 F (Good Eats) 435 F Coconut Oil† 350 F Corn Oil: Unrefined 320 F (Good Eats) 410 F Refined 450 F Cottonseed Oil† 420 F Flaxseed Oil, Unrefined 225 F Hazelnut Oil*** 430 F Hemp Seed Oil¥¥ 330 F Grapeseed Oil¥ 420 F Grapeseed Oil** 485 F Lard 361-401 F Macadamia Nut Oil†† 389 F Olive Oil: Unrefined 320 F (Good Eats) 375 F Extra Virgin* 406 F Virgin** 420 F Olive Oil* 438 F Pomace Oil** 460 F Extra Light* 468 F Peanut Oil: Unrefined 320 F Peanut Oil† 440 F Peanut Oil, Refined (Good Eats) 450 F Rapeseed Oil*** 438 F Safflower Oil: Unrefined 225 F Semi-Refined 320 F Refined (Good Eats) 450 F Safflower Oil† 510 F Sesame Oil : Unrefined 350 F Sesame Oil**: 410 F Semi-Refined 450 F Shortening, Emulsified Vegetable† 325 F Shortening, Vegetable 356-370 F Soy Oil: Unrefined 320 F Semi-Refined 350 F Refined 450 F Soy Oil† 495 F Sunflower Oil†: 440 F Unrefined 225 F Semi-Refined 450 F Walnut Oil, Unrefined 320 F Semi-Refined 400 F High-Oleic Sunflower Oil, Unrefined 320 F Refined 450 F