Talk:Hemp oil

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HEMP OIL != HEMP SEED OIL[edit]

this article seems to only deal with HEMP SEED OIL... which is not HEMP OIL —Preceding unsigned comment added by 90.194.64.11 (talk) 13:39, 7 June 2008 (UTC)

Perhaps the unsigned author is correct, that "hemp oil" is not "hempseed oil". In any event, I would also support this suggestion that this article heading be changed to "hempseed oil", with that spelling, to avoid any confusion with the drug-Cannabis product that is unfortunately being promoted as "hemp oil". The term "hemp" should be reserved to describe industrial uses of non-drug Cannabis. The product promoted as "hemp oil" apparently seems to be made from drug-Cannabis, not hemp.(Jace1 (talk) 16:01, 21 August 2008 (UTC))

I agree, and since there's been no activity on this thread since August, I'm going to change the article's name.--DoctorSlaw (talk) 06:33, 31 March 2009 (UTC)

This change appears to have been reverted, and it is causing references in other articles to hempseed oil to be misleading. If we are going to state that hempseed oil is not hemp oil, we ought not inter-change them like this. They are completely different substances! 94.196.92.199 (talk) 23:53, 14 March 2010 (UTC)

80%?[edit]

-Edit- I am inserting my personal edit right here, (ahead of the original posted information below this paragraph) so that people do not get confused by this person's confusion, because I can see where they have got off track. 80% is a number that is referring to a common THC percentage in THC Oils, Hash Oils, and other Marijuana Concentrates that are NOT HEMP SEED OIL as I believe this specific Wiki page is seeking to debunk. At least that was the message I got and why I came here. That is almost definitely where 80% is coming from, and that is why people are seeing it so commonly and getting confused. Also lesser percentages are out there too so be wary of any HEMP SEED OILS OR HEMP OILS marketed as percentages and specifically question your vender as to whether or not this product contains THC and if that is, in fact, what the percentage is referring to. They can definitely be as low as 30-35% and as high as 80%, as well as a little bit lower(tinctures) or higher(concentrates). If you are looking for HEMP SEED OIL or TRUE HEMP OIL, and not a Medicinal Marijuana or potentially illegal oils depending on your state/country, stay away from any oils that state 80% unless it is very clear that they are somehow not including more than, at most, maybe decimal places of a THC percentage. Thanks and hope I could help, -Adam J

I'm very confused by the line "30–35% of the weight of hempseed is oil containing 80% essential fatty acids (EFAs)" Is it trying to say that 80% of the 30-35% of the weight of hempseed oil is EFAs, or that 80% of the weight is EFAs, or something else? I looked on the reference that did work of the two and from what I understood 80% of it was EFAs, but I'm not sure because I am not an expert or familiar with this subject. I would like to know where the 30-35% came from, because it does say earlier on in this article that 30-35% of the seed was oil by weight. I would change it but I don't know if I'm correct in saying it needs to be changed. Thanks 24.116.241.14 (talk) 03:42, 30 June 2008 (UTC)


Maybe I can help. If so, then let's work together to clear this up so that anyone might be able to understand it (the unsigned user above does seem to have this right, but is not sure). The total oil content of the hemp seed is typically between 30-35%. Of the oil, about 80% consists of the two EFAs (linoleic acid and alpha-linolenic acid- the protypical omega-6 and omega-3 respectively). Again, this 80% only considers the oil part of the seed. In other words, 80% of the 30-35%. Does this help?(Jace1 (talk) 15:27, 21 August 2008 (UTC)) ---No, sorry this doesn't really help, but thanks for contributing, seriously. It's just that it is adding to the confusion that this wiki page will hopefully help to dispel. It is simply not correct and 80% oil is most definitely referring to the strength and potency of a THC containing Hash oil not a truly Hemp-based oil.

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Hempseed oil is a "food", and may also be considered as a functional food because of its high content of essential fatty acids (EFAs), and apparently has the ability to clear up some common health problems. See references under "Citations" for examples of evidence to support the claim that hempseed oil is a functional food. Hempseed oil is a liquid, so I guess it could be considered as a "drink", but this use would be atypical. Overall, it seems to me that the food and drink tag applies to this topic.(Jace1 (talk) 15:32, 21 August 2008 (UTC))

Citations[edit]

The link for "Hemp seed oil: A source of valuable essential fatty acids" goes no where. I can suggest the following article (full disclosure: I am the author of this article):

Callaway JC (2004). Hempseed as a nutritional resource: an overview. Euphytica 140: 65-72.

The PDF can be downloaded from www.finola.com for free (full disclosure: I have a commercial interest in this web site). The article was published in a respected peer-reviewed journal, so I'm not concerned about the potential conflict of interest or putative lack of neutrality for this information. However, I am not entirely comfortable in taking the responsibility of drawing attention to the Finola website on the "Hemp Oil" article page to provide a link to this PDF. Could someone with more experience/objectivity offer some guidance here?

Also, two more articles that are worth mention. These are the only two publications that currently exist on clinical studies of hempseed oil (full disclosure, again: I am first author on one of the articles and co-author on the other):

This article supports the anecdotal reports of regular dietary hempseed oil clearing up symptoms of atopic dermatitis (eczema), and is another free download as a PDF from www.finola.com:

Callaway, JC, Schwab U, Harvimaa I, Halonen P, Mykkänen O, Hyvönen P & Järvinen T (2005). Efficacy of dietary hempseed oil in patients with atopic dermatitis. Journal of Dermatological Treatment 16: 87-94.

This other article involved healthy volunteers that had no particular health problems, yet we did see an improvement in the total-to-HDL cholesterol ratio after the hempseed oil but not after the flaxseed oil intervention. Also, hempseed oil increased all blood lipid profiles of gamma-linolenic acid (GLA), which is good, while flaxseed oil decreased blood lipid profiles of GLA. The publisher of this article does not allow posting the PDF on a commercial website, so the interested reader will have to dig it up from the library, but here is the reference:

Schwab U, Callaway J, Erkkilä A, Gynther J, Uusitupa M, Järvinen T (2006). Effects of hempseed and flaxseed oils on the profile of serum lipids, serum total and lipoprotein lipid concentrations and haemostatic. European Journal of Nutrition 45(8):470-7.

I'll wait a bit for comments before I post these three references on the "Hemp Oil" page.(Jace1 (talk) 15:55, 21 August 2008 (UTC))

OK, I've done some basic work on this. Unfortunately, I deleted a general reference by Gero Leson on hempseed nutrition. This was a short, two page overview from 2002/2003 that was part of the vote hemp report project. If someone would like to repost that, I'll have no objection, but I am unable to find that reference and the newer references cover the same info in more detail.Jace1 (talk) 23:29, 14 November 2008 (UTC)

Merge into main article?[edit]

Does this article contain any information that isn't already in the main article? --SV Resolution(Talk) 14:45, 20 March 2009 (UTC)

I would say that considering the various uses and potential for strong interest in this subject, together with the precedent set by articles concerning other plants and their edible oils (i.e. corn/corn oil), a separate article is probably warranted. --DoctorSlaw (talk) 06:21, 31 March 2009 (UTC)

I fully agree. There are many relevant discussions on various aspect of the plant Cannabis sativa L.; e.g., drug Cannabis (medicinal and/or recreational), non-drug Cannabis (hemp: food from the seed, fiber from the stalk, etc.). There seems to be no clear cutoff for it, and certainly not one many will agree upon, and any of these topics can potentially go much further than a stub.Jace1 (talk) 12:05, 17 April 2009 (UTC)

I use hemp oil. It's wonderful, but it has, I'm sad to say, no hallucinogenic nor euphoric side effects! (You can bet if it did it'd be illegal.) Anyway, it's great to cook popcorn with. I also use it to grease the sheet pan for pizza cooking and I add a teaspoon to pasta dinners. It makes everything taste great, but the big drawback is that it's expensive: costs about a buck an ounce. Ouch! —Preceding unsigned comment added by 169.133.253.21 (talk) 01:41, 17 March 2010 (UTC)

Omega-6/Omega-3 ratio[edit]

I have not been able to find a hemp-neutral source to support that 3-1 is the optimal ratio. Also, since Omega-6 is found in corn and soy oils, the average diet already has a very high ratio (15-1). Adding hempseed oil at 3-1 will not be as effective at reducing the ratio as flax or fish oils. Omega-6 deficiency is possible, but unlikely.

http://www.ncbi.nlm.nih.gov/pubmed/12442909 http://www.vimeo.com/17767942 —Preceding unsigned comment added by 72.177.2.129 (talk) 17:46, 17 March 2011 (UTC)

In fact, the "optimal" 3:1 ratio was proposed well before hempseed oil entered the market in the late 1990s. Published scientific studies on hempseed oil were actually lacking until quite recently. The 2002 reference cited in the web link above is a very good citation for this topic. As for the assertion offered in the first comment on the biological effectiveness of hempseed oil; not true! Clinical studies have already shown that modest amounts of hempseed oil do have highly significant impacts on altering omega-6/3 blood profiles in humans. For example, see cited references 5 (Schwab et al. 2006) and 7 (Callaway et al. 2005) in the article. On the last point, the unsigned comment is correct; omega-6 deficiency is highly unlikely, and perhaps not even possible in a realistic sense. The physical intake of omega-6/3 is important, but also consider the enzymatic activity of delta-6-desaturase in vivo. Also worth noting is the present of both SDA (omega-3) and GLA (omega-6) in hempseed oil. These super unsaturated fatty acids are also the same physiological products of the two "essential" fatty acids; linolenic acid (omega-3), which is converted in the body to SDA and linoleic acid (omega-6), which is converted in the body to GLA. Neither SDA nor GLA are found together in other commercial food oils. By adding SDA and GLA directly to the diet, we can influence the rate limiting activity of delta-6-desaturase. This may explain why beneficial effects are so easily noticed after using hempseed oil for only a few weeks, especially in people who suffer from skin problems that are linked to poor delta-6-desaturase activity (like eczema). Jace1 (talk) 11:53, 27 March 2011 (UTC)

Naming hemp oil with THC[edit]

The following sentence makes little sense, since it advises us not to do what the sentence actually does do: "Marijuana Hemp oil containing psychoactive cannabinoids should never be referred to as 'hemp oil', as the modern usage of the word 'hemp' is reserved for plants that meet the legal requirement of containing 0.3% THC or less." Either drop this sentence or provide an alternative phrase for hemp oil containing THC. Burressd (talk) 21:19, 23 March 2011 (UTC)

Burressd is correct! Moreover, the phrase "marijuana hemp oil" is both illogical and redundant by the juxtaposition of "marijuana" and "hemp". Why not use "hempseed oil" or even "hemp seed oil" for the non-drug food product, and "marijuana oil" for the drug product? Jace1 (talk) 11:30, 27 March 2011 (UTC)

cooking details[edit]

any interest in combining cooking details for hempseed oil? It has a smoke point of 165C, which is poor - about the same as butter (a bit worse even). but the note in the article that it is almost tasteless makes it especially interesting: one would imagine that delicate flavors work of other ingredients would work well with low temperatures and light flavor. --— robbie page talk 19:51, 28 June 2011 (UTC)

Oil Quality[edit]

In Nutrition, the concept of poor quality and high quality is presented, without explanation. What is "quality" in oil? — Preceding unsigned comment added by 124.169.88.49 (talk) 02:22, 24 March 2012 (UTC)

Nutrition section, flaxseed oil reference[edit]

Quote: Unlike flaxseed oil, hempseed oil can be used continuously without developing a deficiency or other imbalance of EFAs.

The reference to flaxseed oil suggests that daily use of flaxseed oil results in a deficiency or other imbalance of essential fatty acids. The supporting footnote (10) references one study of 14 people.

From other articles I've found, it seems our modern diet, esp. in the US, results in significant overburden of omega-6 to omega-3 (10:1 to 50:1)... and hempseed oil's 3.38:1 ratio of omega-6 to omega-3 (while in line with recommendations of -no more- than 4:1) would seem, to me, to add to the overburdened ratio. The study abstract seems to indicate flaxseed oil use results in a higher amount of ALA, an omega-3, where hempseed oil results in higher amounts of omega-6 LA and GLA.

I only read the abstract, perhaps the full article has better information of daily flaxseed use's resulting deficiencies or imbalances IF starting from a recommended basis of an existing health ratio less than 4:1 of omega-6 to omega-3... but what other information suggests flaxseed oil use results in deficiency or imbalance? I haven't seen information suggesting hempseed oil causes deficiency/imbalance... but I have found information suggesting our modern change to a much higher ration of omega-6 to omega-3 is detrimental.

So... why malign flaxseed oil? For one study of 14 people? Sounds like a marketing dig. 72.42.166.93 (talk) 16:43, 30 October 2014 (UTC)

"...marketing dig." ? In what way is this science a marketing dig? Perhaps you should read the article. Reading just the abstract, to gain a complex understanding, is sort of like not understanding the issue.

I thought it sounded like promotion too, that study's conclusion talksnof "only minor effects", and if you're suggesting we should read the whole article that costs $39.95 and Wikipedia references are supposed to be free. Wolfita (talk) 20:54, 23 February 2016 (UTC)

In fact I am editing it, I don't want to see Wikipedia turn into a soapbox for nutritionists. Wolfita (talk) 20:58, 23 February 2016 (UTC)

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