Canola 油 又来啦!

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大约是十几年前,市面上突然出现了一种新的烹饪油,英文叫做 Canola Oil 。起先只有在专卖 ” 健康自然产品 ” 的店裡才能看到,但是因为政府及私人公司都广为宣传这种油的好处:纯植物提炼、不饱和性脂肪、低胆固醇、比别的植物油还理想 … 云云。

既然连政府都这麽说,大概是不会错了;于是乎关心自己和家人健康的朋友,都纷纷买回去做菜。它在北美洲的销路直线上升,没多久也引进了台湾。

但是, Canola 油 到底是什麽东西做的呢?其他的油都可以从名字望文生义:如橄榄油,当然是橄榄的油;花生油是花生仁的油;椰子油是椰子果实的油 … 等等。笔者心生疑惑,查了极详备的东华大辞典,竟然没有这个字。 51.CA

去年某日,笔者重听 雷博士在四、五年前演讲的录音带,赫然得到了答桉。正巧又有一位琉璃光的朋友,转来一篇网上有关此油的文章,恰印证了 雷博士所言。

笔者知道有不少朋友还在用这种油,当即转发此文给一些能看英文的朋友。数天之后,有一位本地朋友很急切的告诉我说: ” 好可怕啊!我们家这几年都用 Canola 油,那篇文章裡讲的症状我们一家四口全有!我已经马上换掉了! ”

英文 Canola 一字,是从 ”Canada Oil Low Acid” 四个字的首字母组合而成,意为 ” 低酸加拿大油 ” 。

Canola 的前身是一种叫作芸苔 (Rape) 的植物,原生地是欧洲,俗称欧洲油菜,属十字花科 (Mustard Family) 。

1970 年代,加拿大的科学家把芸苔作了基因改造,去掉裡面的糖 (Glycosides ,会干扰甲状腺功能 ) ,并减少其中所含的芥子酸 (Erucic Acid ,有毒 ) ,改良出了第一代的 ” 低芥子酸芸苔子 ” (Low Erucic Acid Rapeseed ,简称 LEAR) 。

但荷兰有研究显示,这种油会伤害心脏。 这项基因改造工程持续未断,所以也一直未有官方的长期追踪研究报告,但是由于这个新品种油菜容易种,长得快,虫害少 ( 虫子退避三舍 ) ,收成多,很快就变成了加拿大的主要经济作物。

加拿大人说,这种基因改造的菜籽油有 ” 二低一高 ” 的优点 ; 芥子酸低、糖低、好的油酸 (Oleic Acid) 高,又是不饱和脂肪,真是太理想的 ” 健康 ” 油了,不但鼓励自己人民吃,也不忘推销到好邻居美国去。

1979 年,加拿大的食用油工业,决定为它改名为 ”Canola” ,正式摆脱了 ” 有毒芸苔 ” 的阴影,并凸显加拿大之光。

加拿大人付了美国食品药物管理局 (FDA) 五千万美元,把 Canola 登记为合法,并认证为 ” 安全 ” 。于是美国农民也纷纷买种子回去种。这样一种经过基因变造的主要食用作物,美加政府未要求先作人体试验,就允许其在市场上大卖,吃进老百姓的肚子。当然,这也不是头一椿了。

加拿大曾用此油作动物实验,结果是这样子的:

老鼠的心、肾、肾上腺及甲状腺中的脂肪,产生变性和退化;而饲料中不加 Canola 油之后,老鼠体内这些累积的脂肪残渣就慢慢溶解,但是在那些主要器官上留下伤痕。

这是由于长鍊脂肪酸 (C22 ~ C28) 不能为生物体吸收,累积在体内形成瘀塞,不但引 起 心血管问题,并且会破坏神经髓鞘 (Myelin) 。神经没有了这个保护层,就如同家中的电线外皮剥落,是很危险的事,而 Canola 油正是一种长鍊脂肪酸 (C22) 。

Canola 油会破坏神经系统,想来是不无道理,因为在二次大战中所使用的神经毒气芥子气,就是以芸苔为原料。在令数千军民的皮肤及肺起泡以后,早已禁用了。

根据油脂专家所作的研究及观察,食用 Canola 油的人出现了以下症状:

1. 视力模煳╱失明

2. 听力减退

3. 排尿不顺╱困难

4. 呼吸急促╱气短

5. 心脏病╱心律不整

6. 罹癌率增加

7. 便秘

8. 失眠

9. 小儿啼哭不止╱婴儿出生体重不足

10. 无名的疲惫

11. 干扰破坏神经系统,其产生的症状计有:

a. 发抖、颤动、麻痺

. 走路、写字等动作不能协调

c. 口齿不清

d. 口水过多

e. 记忆及思考退化

f. 难以适应环境╱过敏 │ 如食物、气味、衣物、电器、气候冷热变化等

g. 神经崩溃

h. 手脚末梢麻木刺痛

i. 多重硬化症

1986 至 1991 年间,欧洲大量把芸苔菜籽加在牲畜饲料裡面,结果动物的眼睛失明,而且会攻击人。也就是在这段期间,发生了狂牛症 (Mad Cow Disease) 及羊痒病 (Scrapie) 。

而欧洲自 1991 年始全面禁用芸苔菜籽后,羊痒病就不复见,牛羊猪眼瞎、攻击人的情况也没有了。这是巧合吗?

儘管芸苔已摇身一变而为 Canola ,但是它其中的毒性仍未全消,它作为工业用润滑油的渗透性也还在。

有人作过简单的实验:把 Canola 油沾一些在布料上,用洗衣粉、清洁剂洗了三次,不但洗不掉痕渍,油渍上仍旧有油臭味。渗透力这麽强的油,到了人体裡面,会产生什麽效应?

不仅如此, Canola 油会形成乳胶状的物质,使红血球凝结成团。

1997 年,加拿大有一个很出名的研究,给实验小猪的饲料裡掺了 Canola ,结果发现其体内的维他命 E 值降到极低,已近危险程度。至于另一组吃黄豆油饲料的小猪,其维他命 E 值并未下降。因此证明 Canola 油会破坏体内的维他命E。

次年这一研究小组又发表新的实验结果,证实 Canola 油也会减少小猪体内的血小板数量,并且血小板的体积也变小了。

但是,你若去网上查有关 Canola 油的资料,仍会发现说它好的资料多。

美加的专家学者说,这些对人体的效应,在食用 Canola 油十年以后才会出现,所以不必太担心。

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上述仅是 Canola 油本身独具的特性;除此之外,它也不免 经过了一般植物油的提炼过程,才能从菜籽变成一瓶清清如水的食用油。

这个过程大略是这样子的:

先用己烷 (Hexane) 溶剂及别的化学剂,将油从菜籽裡分离出来,再以华氏 300 度的高温提炼,去掉芸苔子油天生的怪味。任何油经过这种高温都会变质,其中的 Omega-3 成分因此腐坏,而产生臭味。

下一步是把腐败的 Omega-3 的臭味去掉,将其氢化以保持其稳定,不易 ” 变坏 ” 。到了这个程度,油中好的成分已破坏怠尽,只剩馀对一些人体有害的物质。

所以 Canola 油是氢化油,其中所含的反式脂肪 (Trans-fat) 可能高达百分之四十。有关氢化油及反式脂肪会对人体造成什麽影响,在 陈俊旭博士所着的 ” 吃错了,当然会生病 ” 一书中讲解得非常清楚。

而今, Canola 油已无所不在,即使你不买来烧菜,它也已经在洋芋片中、在花生酱中、在饼乾中、在餐馆食物中 … 。如果您想避免它,那麽在选购食品时,要先看一看成份标示。

有时候表上并未明列含有 Canola 油 ( 或菜籽油 ) ,但是最后加了一句 ”… 以及其他油。 ” 那麽很可能就是 Canola 油了,因为它最便宜。

现代饮食确是危机四伏,有政府背书的也不能全信,所幸,我们还可以用自己的知识、直觉与智慧来判断。

尚有好些健康的油可供选择,如椰子油、橄榄油、葡萄籽油、红花油 (Safflower Oil) 等等,但是都须冷压榨取的才可以。

其中,又以椰子油是天然的饱和性植物脂肪,所含是中鍊脂肪酸,对人体最为适宜。至于饱和脂肪及不饱和脂肪究竟谁是谁非,这又是一个误导和迷思,有智慧的读者们多收集一些资料,多思维之后 ? A 便不难明了其中答桉。

在此且引申加拿大一位环保人士,托比.麦隆尼 (Toby Maloney) 的话作结尾:

要改变一般大众信以为真的事,真是不太容易。 Canola 油这整件事就是操控的结果 : 操控种子、操控农作、操控食品加工、操控期货市场。 ( 按:还要加上 ” 操控大众传播 ” ) 而因何得以如此矇蔽大众呢?根源就在于大多数现代人已不再亲自参与食物的生产了。这才是最不健康的事。

尽快检查您家裡食用油~!关心全家人的健康~~!!
 
没看到楼上文章出处和时间 这和货架上的食品没标明生产者和 best before 一样
 
最后编辑:
哥天天吃, 吃了十几年, 你说的症状一个都没有 ...
 
又看到Mad Cow disease这个词了,当年新东方的老师就拿这词嘲讽的大家的“典型中式英文水平”的
疯牛病:bovine spongiform encephalopathy,简写BSE
 
可以查到2001年的英文版本和辟谣,然后是台湾版。
http://www.snopes.com/medical/toxins/canola.asp

Before you buy your next bottle of cooking oil . . .

I think it's important that as many people as possible KNOW about the origins of this product. Then, if you choose to buy it, at least you're doing so with your eyes open.

RAPE IN A DIFFERENT GUISE

Dear Editors

Recently I bought a cooking oil that's new to our supermarkets, Canola Oil. I tried it because the label assured me it was lowest in "bad" fats. However, when I had used half the bottle, I concluded that the label told me surprisingly little else and I started to wonder: where does canola oil come from? Olive oil comes from olives, peanut oil from peanuts, sunflower oil from sunflowers; but what is a canola? There was nothing on the label to enlighten me, which I thought odd. So, I did some investigating on the Internet.

There are plenty of official Canola sites lauding this new "wonder" oil with all its low-fat health benefits. It takes a little longer to find sites that tell the less palatable details.

Here are just a few facts everyone should know before buying anything containing canola. Canola is not the name of a natural plant but a made-up word, from the words "Canada" and "oil". Canola is a genetically engineered plant developed in Canada from the Rapeseed Plant, which is part of the mustard family of plants. According to AgriAlternatives, The Online Innovation, and Technology Magazine for Farmers, "By nature, these rapeseed oils, which have long been used to produce oils for industrial purposes, are... toxic to humans and other animals". (This, by the way, is one of the websites singing the praises of the new canola industry.)

Rapeseed oil is poisonous to living things and is an excellent insect repellent. I have been using it (in very diluted form, as per instructions) to kill the aphids on my roses for the last two years. It works very well; it suffocates them. Ask for it at your nursery. Rape is an oil that is used as a lubricant, fuel, soap and synthetic rubber base and as a illuminate for color pages in magazines. It is an industrial oil. It is not a food. Rape oil, it seems, causes emphysema, respiratory distress, anemia, constipation, irritability, and blindness in animals and humans.

Rape oil was widely used in animal feeds in England and Europe between 1986 and 1991, when it was thrown out. Remember the "Mad Cow disease" scare, when millions of cattle in the UK were slaughtered in case of infecting humans? Cattle were being fed on a mixture containing material from dead sheep, and sheep suffer from a disease called "scrapie". It was thought this was how "Mad Cow" began and started to infiltrate the human chain. What is interesting is that when rape oil was removed from animal feed, 'scrapie' disappeared.

We also haven't seen any further reports of "Mad Cow" since rape oil was removed from the feed. Perhaps not scientifically proven, but interesting all the same. US and Canadian farmers grow genetically engineered rapeseed and manufacturers use its oil (canola) in thousands of processed foods, with the blessings of Canadian and US government watchdog agencies. The canola supporting websites say that canola is safe to use. They admit it was developed from the rapeseed, but insist that through genetic engineering it is no longer rapeseed, but "canola" instead.

Except canola means "Canadian oil"; and the plant is still a rape plant, albeit genetically modified. The new name provides perfect cover for commercial interests wanting to make millions. Look at the ingredients list on labels. Apparently peanut oil is being replaced with rape oil. You'll find it in an alarming number of processed foods. There's more, but to conclude: rape oil was the source of the chemical warfare agent mustard gas, which was banned after blistering the lungs and skins of hundred of thousands of soldiers and civilians during W.W.I. Recent French reports indicate that it was again in use during the Gulf War.

Check products for ingredients. If the label says, "may contain the following" and lists canola oil, you know it contains canola oil because it is the cheapest oil and the Canadian government subsidizes it to industries involved in food processing.

I don't know what you'll be cooking with tonight, but I'll be using olive oil and old-fashioned butter, from a genetically unmodified cow.

Here is more information....

Canola oil from the rape seed, referred to as the Canadian oil because Canada is mainly responsible for it being marketed in the USA. The Canadian government and industry paid our Federal Food and Drug Administration (FDA) $50 million dollars to have canola oil placed on the (GRAS) List, "Generally Recognized As Safe". Thus a new industry was created. Laws were enacted affecting international trade, commerce, and traditional diets. Studies with lab. animals were disastrous. Rats developed fatty degeneration of heart, kidney, adrenals, and thyroid gland. When canola oil was withdrawn from their diets, the deposits dissolved but scar tissue remained on all vital organs. No studies on humans were made before money was spent to promote Canola oil in the USA.

Adrenoleukodystrophy (ALD) is a rare fatal degenerative disease caused by a build up long-chain fatty acids (c22 to c28) which destroys the myelin (protective sheath) of the nerves. Canola oil is a very long chain fatty acid oil (c22). Those who will defend canola oil say that the Chinese and Indians have used it for centuries with no effect, however it was in an unrefined form (taken from FATS THAT HEAL AND FATS THAT KILL by Udo Erasmus).

My cholesterol level was 150. After a year using Canola oil I tested 260. I switched back to pure olive oil and it has taken 5 years to get it down to 160. Thus began this project to find answers since most Doctors will say that Canola oil is O.K.

My sister spilled Canola oil on a piece of fabric, after 5 pre-treatings and harsh washings, the oil spot still showed. She stopped using Canola oil, wondering what it did to our insides if it could not be removed from cloth easily.

Our Father bred birds, always checking labels to insure there was no rape seed in their food. He said, "The birds will eat it, but they do not live very long."

A friend, who worked for only 9 mo. as a quality control taster at an apple-chip factory where Canola oil was used exclusively for frying, developed numerous health problems. These included loose teeth & gum disease; numb hands and feet; swollen arms and legs upon rising in the morning; extreme joint pain especially in hands, cloudy vision, constipation with stools like black marbles, hearing loss; skin tears from being bumped; lack of energy; hair loss and heart pains. It has been five years since she has worked there and still has some joint pain, gum disease, and numbness.

A fellow worker, about 30 years old, who ate very little product, had a routine check up and found that his blood vessels were like those of an 80 year old man. Two employees fed the waste product to baby calves and their hair fell out. After removing the fried apple chips from the diet their hair grew back in.

My daughter and her girls were telling jokes. Stephanie hit her mom's arm with the back of a butter knife in a gesture, "Oh mom" not hard enough to hurt. My daughters arm split open like it was rotten. She called me to ask what could have caused it. I said, "I'll bet anything that you are using Canola oil". Sure enough, there was a big gallon jug in the pantry.

Rape seed oil is a penetrating oil, to be used in light industry, not for human consumption. It contains a toxic substance. Even after the processing to reduce the erucic acid content, it is still a penetrating oil. We have found that it turns rancid very fast. Also it leaves a residual rancid odor on clothing.

Rape seed oil used for stir-frying in China found to emit cancer causing chemicals. (Rapeseed oil smoke causes lung cancer) Amal Kumar Maj. The Wall Street JournaL June 7, 1995 pB6(W) pB6 (E) col 1 (11 col in).

Compiled by Darleen Bradley.

Canola oil is a health hazard to use as a cooking oil or salad oil. It is not the healthy oil we thought it was. It is not fit for human consumption, do not eat canola oil, it can hurt you. Polyunsaturated or not, this is a bad oil.

Be Sure to also read this informative report written by leading health expert Tom Valentine, Canola Oil Report.

Go to Ask Jeeves yourself: http://www.askjeeves.com/ and type in (Where does Canola Oil come from?) and see what you come up with.

Happy Frying,
Read more at http://www.snopes.com/medical/toxins/canola.asp

Origins: What we have here is a bit of truth about a product's family history worked into a screed against the product itself. There is no earthly reason to give any credence to this rumor: Canola oil is not the horrifying product this widely-disseminated e-mail makes it out to be, nor has the FDA turned loose on the American public a health scourge worthy of being named one of the Four Horsemen of the Apocalypse.

An appreciation of what this scare is based upon begins with a better understanding of what canola oil and how it came into being.

The rape plant (Brassica napus) is a member of the mustard family, as claimed in the e-mail. However, before associations between rape and mustard gas set in too strongly, it should be noted turnip, cabbage, watercress, horseradish, and radish are also members of this family of plants.

Rapeseed oil has been used for cooking for centuries in Europe, India, China, and Japan. As modern science is finding out, its previous use wasn't necessarily a guarantee of safety. Cooking at high temperatures with unrefined rapeseed oil now appears to be related to an increased risk of lung cancer because at high temperatures cooking oil gives off chemicals capable of causing mutations in cells. Unrefined rapeseed oil is particularly notable for this, but other oils also have this association. Those intent upon doing large amounts of wok cooking with any sort of cooking oil should therefore lower their frying temperature from the 240°C to 280°C called for in Chinese cooking to 180°C.

Rapeseed oil naturally contains a high percentage (30-60%) of erucic acid, a substance associated with heart lesions in laboratory animals. For this reason rapeseed oil was not used for consumption in the United States prior to 1974, although it was used in other countries. (Americans chose to use it as a lubricant to maintain Allied naval and merchant ships during World War II.)

In 1974, rapeseed varieties with a low erucic content were introduced. Scientists had found a way to replace almost all of rapeseed's erucic acid with oleic acid, a type of monounsaturated fatty acid. (This change was accomplished through the cross-breeding of plants, not by the techniques commonly referred to as "genetic engineering.") By 1978, all Canadian rapeseed produced for food use contained less than 2% erucic acid. The Canadian seed oil industry rechristened the product "canola oil" (Canadian oil) in 1978 in an attempt to distance the product from negative associations with the word "rape." Canola was introduced to American consumers in 1986. By 1990, erucic acid levels in canola oil ranged from 0.5% to 1.0%, in compliance with U.S. Food and Drug Administration (FDA) standards.

This light, tasteless oil's popularity is due to the structure of its fats. It is lower in saturated fat (about 6%) than any other oil. Compare this to the high saturated fat content of peanut oil (about 18%) and palm oil (at an incredibly high 79%). It also contains more cholesterol-balancing monounsaturated fat than any oil except olive oil and has the distinction of containing Omega-3 fatty acids, a polyunsaturated fat reputed to not only lower both cholesterol and triglycerides, but also to contribute to brain growth and development.

In other words, it's a healthy oil. One shouldn't feel afraid to use it because of some Internet scare loosely based on half-truths and outright lies.

Barbara "oil color(ed)" Mikkelson

Read more at http://www.snopes.com/medical/toxins/canola.asp
 
科唬教的为啥还不来痛斥楼主?
 
又看到Mad Cow disease这个词了,当年新东方的老师就拿这词嘲讽的大家的“典型中式英文水平”的
疯牛病:bovine spongiform encephalopathy,简写BSE
这不算中式英语,老外确实也这么说的。BSE是拉丁文正式学名,Mad Cow Disease 是俗称,仅此而已。
 
大约是十几年前,市面上突然出现了一种新的烹饪油,英文叫做 Canola Oil 。起先只有在专卖 ” 健康自然产品 ” 的店裡才能看到,但是因为政府及私人公司都广为宣传这种油的好处:纯植物提炼、不饱和性脂肪、低胆固醇、比别的植物油还理想 … 云云。

既然连政府都这麽说,大概是不会错了;于是乎关心自己和家人健康的朋友,都纷纷买回去做菜。它在北美洲的销路直线上升,没多久也引进了台湾。

但是, Canola 油 到底是什麽东西做的呢?其他的油都可以从名字望文生义:如橄榄油,当然是橄榄的油;花生油是花生仁的油;椰子油是椰子果实的油 … 等等。笔者心生疑惑,查了极详备的东华大辞典,竟然没有这个字。 51.CA

去年某日,笔者重听 雷博士在四、五年前演讲的录音带,赫然得到了答桉。正巧又有一位琉璃光的朋友,转来一篇网上有关此油的文章,恰印证了 雷博士所言。

笔者知道有不少朋友还在用这种油,当即转发此文给一些能看英文的朋友。数天之后,有一位本地朋友很急切的告诉我说: ” 好可怕啊!我们家这几年都用 Canola 油,那篇文章裡讲的症状我们一家四口全有!我已经马上换掉了! ”

英文 Canola 一字,是从 ”Canada Oil Low Acid” 四个字的首字母组合而成,意为 ” 低酸加拿大油 ” 。

Canola 的前身是一种叫作芸苔 (Rape) 的植物,原生地是欧洲,俗称欧洲油菜,属十字花科 (Mustard Family) 。

1970 年代,加拿大的科学家把芸苔作了基因改造,去掉裡面的糖 (Glycosides ,会干扰甲状腺功能 ) ,并减少其中所含的芥子酸 (Erucic Acid ,有毒 ) ,改良出了第一代的 ” 低芥子酸芸苔子 ” (Low Erucic Acid Rapeseed ,简称 LEAR) 。

但荷兰有研究显示,这种油会伤害心脏。 这项基因改造工程持续未断,所以也一直未有官方的长期追踪研究报告,但是由于这个新品种油菜容易种,长得快,虫害少 ( 虫子退避三舍 ) ,收成多,很快就变成了加拿大的主要经济作物。

加拿大人说,这种基因改造的菜籽油有 ” 二低一高 ” 的优点 ; 芥子酸低、糖低、好的油酸 (Oleic Acid) 高,又是不饱和脂肪,真是太理想的 ” 健康 ” 油了,不但鼓励自己人民吃,也不忘推销到好邻居美国去。

1979 年,加拿大的食用油工业,决定为它改名为 ”Canola” ,正式摆脱了 ” 有毒芸苔 ” 的阴影,并凸显加拿大之光。

加拿大人付了美国食品药物管理局 (FDA) 五千万美元,把 Canola 登记为合法,并认证为 ” 安全 ” 。于是美国农民也纷纷买种子回去种。这样一种经过基因变造的主要食用作物,美加政府未要求先作人体试验,就允许其在市场上大卖,吃进老百姓的肚子。当然,这也不是头一椿了。

加拿大曾用此油作动物实验,结果是这样子的:

老鼠的心、肾、肾上腺及甲状腺中的脂肪,产生变性和退化;而饲料中不加 Canola 油之后,老鼠体内这些累积的脂肪残渣就慢慢溶解,但是在那些主要器官上留下伤痕。

这是由于长鍊脂肪酸 (C22 ~ C28) 不能为生物体吸收,累积在体内形成瘀塞,不但引 起 心血管问题,并且会破坏神经髓鞘 (Myelin) 。神经没有了这个保护层,就如同家中的电线外皮剥落,是很危险的事,而 Canola 油正是一种长鍊脂肪酸 (C22) 。

Canola 油会破坏神经系统,想来是不无道理,因为在二次大战中所使用的神经毒气芥子气,就是以芸苔为原料。在令数千军民的皮肤及肺起泡以后,早已禁用了。

根据油脂专家所作的研究及观察,食用 Canola 油的人出现了以下症状:

1. 视力模煳╱失明

2. 听力减退

3. 排尿不顺╱困难

4. 呼吸急促╱气短

5. 心脏病╱心律不整

6. 罹癌率增加

7. 便秘

8. 失眠

9. 小儿啼哭不止╱婴儿出生体重不足

10. 无名的疲惫

11. 干扰破坏神经系统,其产生的症状计有:

a. 发抖、颤动、麻痺

. 走路、写字等动作不能协调

c. 口齿不清

d. 口水过多

e. 记忆及思考退化

f. 难以适应环境╱过敏 │ 如食物、气味、衣物、电器、气候冷热变化等

g. 神经崩溃

h. 手脚末梢麻木刺痛

i. 多重硬化症

1986 至 1991 年间,欧洲大量把芸苔菜籽加在牲畜饲料裡面,结果动物的眼睛失明,而且会攻击人。也就是在这段期间,发生了狂牛症 (Mad Cow Disease) 及羊痒病 (Scrapie) 。

而欧洲自 1991 年始全面禁用芸苔菜籽后,羊痒病就不复见,牛羊猪眼瞎、攻击人的情况也没有了。这是巧合吗?

儘管芸苔已摇身一变而为 Canola ,但是它其中的毒性仍未全消,它作为工业用润滑油的渗透性也还在。

有人作过简单的实验:把 Canola 油沾一些在布料上,用洗衣粉、清洁剂洗了三次,不但洗不掉痕渍,油渍上仍旧有油臭味。渗透力这麽强的油,到了人体裡面,会产生什麽效应?

不仅如此, Canola 油会形成乳胶状的物质,使红血球凝结成团。

1997 年,加拿大有一个很出名的研究,给实验小猪的饲料裡掺了 Canola ,结果发现其体内的维他命 E 值降到极低,已近危险程度。至于另一组吃黄豆油饲料的小猪,其维他命 E 值并未下降。因此证明 Canola 油会破坏体内的维他命E。

次年这一研究小组又发表新的实验结果,证实 Canola 油也会减少小猪体内的血小板数量,并且血小板的体积也变小了。

但是,你若去网上查有关 Canola 油的资料,仍会发现说它好的资料多。

美加的专家学者说,这些对人体的效应,在食用 Canola 油十年以后才会出现,所以不必太担心。

※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※※

上述仅是 Canola 油本身独具的特性;除此之外,它也不免 经过了一般植物油的提炼过程,才能从菜籽变成一瓶清清如水的食用油。

这个过程大略是这样子的:

先用己烷 (Hexane) 溶剂及别的化学剂,将油从菜籽裡分离出来,再以华氏 300 度的高温提炼,去掉芸苔子油天生的怪味。任何油经过这种高温都会变质,其中的 Omega-3 成分因此腐坏,而产生臭味。

下一步是把腐败的 Omega-3 的臭味去掉,将其氢化以保持其稳定,不易 ” 变坏 ” 。到了这个程度,油中好的成分已破坏怠尽,只剩馀对一些人体有害的物质。

所以 Canola 油是氢化油,其中所含的反式脂肪 (Trans-fat) 可能高达百分之四十。有关氢化油及反式脂肪会对人体造成什麽影响,在 陈俊旭博士所着的 ” 吃错了,当然会生病 ” 一书中讲解得非常清楚。

而今, Canola 油已无所不在,即使你不买来烧菜,它也已经在洋芋片中、在花生酱中、在饼乾中、在餐馆食物中 … 。如果您想避免它,那麽在选购食品时,要先看一看成份标示。

有时候表上并未明列含有 Canola 油 ( 或菜籽油 ) ,但是最后加了一句 ”… 以及其他油。 ” 那麽很可能就是 Canola 油了,因为它最便宜。

现代饮食确是危机四伏,有政府背书的也不能全信,所幸,我们还可以用自己的知识、直觉与智慧来判断。

尚有好些健康的油可供选择,如椰子油、橄榄油、葡萄籽油、红花油 (Safflower Oil) 等等,但是都须冷压榨取的才可以。

其中,又以椰子油是天然的饱和性植物脂肪,所含是中鍊脂肪酸,对人体最为适宜。至于饱和脂肪及不饱和脂肪究竟谁是谁非,这又是一个误导和迷思,有智慧的读者们多收集一些资料,多思维之后 ? A 便不难明了其中答桉。

在此且引申加拿大一位环保人士,托比.麦隆尼 (Toby Maloney) 的话作结尾:

要改变一般大众信以为真的事,真是不太容易。 Canola 油这整件事就是操控的结果 : 操控种子、操控农作、操控食品加工、操控期货市场。 ( 按:还要加上 ” 操控大众传播 ” ) 而因何得以如此矇蔽大众呢?根源就在于大多数现代人已不再亲自参与食物的生产了。这才是最不健康的事。

尽快检查您家裡食用油~!关心全家人的健康~~!!
请提供英文出处,链接。

谢谢!
 
没在意过。costco卖这种油吗?俺们家所有油都从costco买
 
我现在不买这种油。但是很多需要用油的食品基本都是用的这种油
 
请提供英文出处,链接。

谢谢!
转载而已,

文章里如果提供了“英文出处,链接” , 那就提供了 “英文出处,链接”,
如果文章中没有提供 “英文出处,链接”, 那就没有“英文出处,链接”,

我如果有原作者的联系信息, 我就给你, 你可以找他/她 去要求提供 “英文出处,链接”
但是,我没有原作者的联系信息, 也就无法提供给你, 你也就无法找他/她去要求“英文出处,链接”
 
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