# The Blood Type / Pheromone Connection?

**URL:** <https://pheromonetalk.com/t/the-blood-type-pheromone-connection/16>\
**Category:** Pheromone Theory & Molecules\
**Created:** [September 14, 2005, 9:03pm UTC](https://pheromonetalk.com/t/the-blood-type-pheromone-connection/16 "2005-09-14T21:03:06Z")\
**Posts on this page:** 1\
**Showing post:** 66

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**Author:** ![datadragon](https://sea2.discourse-cdn.com/flex016/user_avatar/pheromonetalk.com/datadragon/32/1252_2.png) [@datadragon](https://pheromonetalk.com/u/datadragon)\
**Post date:** [April 3, 2018, 1:14am UTC](https://pheromonetalk.com/t/the-blood-type-pheromone-connection/16/66 "2018-04-03T01:14:22Z")

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> [@monesmadedoit](#):
>
> Quoting MHarris, who started the thread -
> 
> Erox filed one of the original patents on A-1.
> 
> They wrote in their patent filing:
> 
> Patent app US 5278141 A (1994)
> 
> That would be 700 nanograms
> 
> The patent was approved to Pherin a couple years later as US5883087.
> 
> It used the same quoted language but added -
> 
> MH means to say 800 pmol (which is 0.800 nmol). This is the amount reported by Gower et al. MH is conflating the 2 since the 1996 approved patent doesn’t use nmol or pmol amounts.
> 
> 700 nanograms is more than 800 pmol and more than reported by Gower. 700 seems small but it is far higher than Gower reported in sweat. 700 would be the high exteme of natural output for androstenes like A1.
> 
> [http://www.pheromonetalk.com/instant-female-magic-men-31856-3.html#post268539](http://www.pheromonetalk.com/instant-female-magic-men-31856-3.html#post268539)

Androstadienone is the most prominent steroid present on male human axillary hair and on the male axillary skin surface, and in human male sweat. It is being studied ongoing by scientists as a putative pheromone. Some of the steroid levels in general are higher in sweat while some are higher on skin or hair. [Skin Vs Sweat](https://www.unboundmedicine.com/medline/citation/8142319/Comparison_of_16_androstene_steroid_concentrations_in_sterile_apocrine_sweat_and_axillary_secretions:_interconversions_of_16_androstenes_by_the_axillary_microflora__a_mechanism_for_axillary_odour_production_in_man)

This study showed effects on women with only **100 Picograms** of Androstadienone! “We report that administration of this steroid under these conditions results in a significant reduction of nervousness, tension and other negative feeling states.”  
[http://www.psyneuen-journal.com/article/S0306-4530(99)00056-6/pdf](http://www.psyneuen-journal.com/article/S0306-4530(99)00056-6/pdf)

[Study using 250 um](https://sites.oxy.edu/clint/physio/article/Psychologicaleffectsofsubthresholdexposuretotheputativehumanpheromone416androstadien3one.pdf)

We are clearly using too high a dose at 5-40mcg or more regularly, especially since we are using enhanced methods of diffusion that would bring much more of it to everyones nose. I am thinking 1 microgram or even 500 nanograms should be tested. LAL has a 2mg/10ml oil dose which is 4 microgram per drop maybe also as a starting point. [Instant Female Magic](https://a314.com/product/instant-female-magic/) it seemed had around 13 micrograms per spray or so.

It seems to be detected however in the main olfactory epithelium of humans however and not the VNO as originally thought.  
[https://www.ncbi.nlm.nih.gov/pubmed/17917120](https://www.ncbi.nlm.nih.gov/pubmed/17917120)  
[https://pheromonetalk.com/t/vno-is-not-involved-in-human-processing-of-putative-pheromones/67298](https://pheromonetalk.com/t/vno-is-not-involved-in-human-processing-of-putative-pheromones/67298)  
[https://www.ncbi.nlm.nih.gov/pubmed?Db=pubmed&Cmd=ShowDetailView&TermToSearch=16481428](https://www.ncbi.nlm.nih.gov/pubmed?Db=pubmed&Cmd=ShowDetailView&TermToSearch=16481428)

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