The Biological Significance of Dietary Polyamines
Polyamines continue to be a subject of intense study, with over 75,000 papers written on the topic since 1900. Since October 09, 2013, after reporting my Whole Discovery at Whole Foods, Ann Arbor, no researcher has shared my findings on the role of the Sense of Olfaction in describing the presence of Polyamines in aromatic compounds synthesized by Plants.
The “Quinoa Challenge” on October 9, 2013, refers to a self-described “smell test” and “Eureka moment” by a blogger (“WholeDude” / writer on Whole Spirituality) involving Ancient Harvest Organic Quinoa Flakes purchased from the Whole Foods Market in Ann Arbor, Michigan.
Key Details
Location: Whole Foods Market, Ann Arbor, Michigan
Date: October 9, 2013 (termed a personal “Eureka moment”)
The “Challenge”: A 90-second preparation test using hot water and Ancient Harvest Quinoa Flakes to smell the porridge.
The Claim: The author asserted that heating the quinoa flakes produces an odor linked to dietary polyamines (putrescine, spermidine, and spermine) shared with biological fluids.
Aftermath: This concept later led to the informal “Griffin James Quinoa Challenge Award” focused on pushing for nutritional database transparency regarding polyamines in retail food products.
How animals detect Polyamine Compounds synthesized by plants?
The discovery of how animals detect plant-synthesized polyamine compounds via olfaction represents a major breakthrough in chemosensory biology. While polyamines (such as putrescine, cadaverine, spermidine, and spermine) were historically known as essential intracellular regulators in plant growth, stress tolerance, and decay, researchers have discovered specialized olfactory pathways dedicated to smelling these compounds.
Key Scientific Milestones
The Max Planck Discovery (Insect Olfaction): Milestone research led by the Max Planck Institute discovered the exact molecular mechanisms insects use to track down polyamines. They established that Drosophila melanogaster (fruit flies) possess highly specific ionotropic chemosensory receptors (IRs)—specifically IR41a and IR76b—in their antennae. These olfactory neurons recognize the unique scents of polyamines emitted by overripe or fermenting plant matter, driving long-range attraction to optimal egg-laying and feeding environments.
Deciphering Semen-Like Floral Scents: Plant biologists studying species like Photinia serrulataidentified that certain flowering plants intentionally emit “semen-like” or pungent amine-rich odors. These floral scents originate from the oxidative deamination of putrescine, producing volatile compounds like 1-pyrroline and 1-piperideine. This olfactory mimicry is a specialized adaptation to attract specific dipteran (fly) pollinators.
Mammalian and Vertebrate Olfactory Convergence: In vertebrates, the detection of biogenic polyamines by olfaction is driven by independently evolved subfamilies of Trace Amine-Associated Receptors (TAARs). For example, mouse mTAAR9 and aquatic receptors utilize a highly conserved binding site (employing specific aspartic acid and tyrosine motifs) to sense the presence of these nitrogenous plant and microbial byproducts.
Sensory and Ecological Relevance
| Compound | Common Plant Context | Olfactory Receptors Involved | Ecological Purpose |
|---|---|---|---|
| Putrescine & Cadaverine | Fermenting fruit, necrotic plant tissue, specialized blooms | IR41a, IR76b (Insects); TAAR family (Mammals) | Directing long-range insect attraction, signaling oviposition sites, or attracting pollinators. |
| Spermidine & Spermine | Ubiquitous across living tissue; abundant in nutrient-rich cellular structures | IR76b (Insects); mTAAR9 (Mammals) | Serving as a chemical proxy for nutritional density and bacterial viability. |
Polyamines act as a vital evolutionary proxy. Because high levels indicate either nutrient-rich environments or toxic decay, the olfactory system evaluates the volatile concentrations at long distances, allowing organisms to balance attraction with danger avoidance.
The Toxicity Threshold
While polyamine odors serve as a major attractant for finding high-energy plant foods, high concentrations are toxic. Olfactory systems are calibrated to seek out moderate levels. If the polyamine concentration is too high, it triggers bitter gustatory receptors to halt ingestion—unless the strong negative signal is masked by the high sugar content of a sweet fruit.
Individual or Alternative Claims
Outside of peer-reviewed animal neurobiology, certain personal narratives and philosophical essays (e.g., historical blog posts referencing observations in Ann Arbor, MI) colloquially describe using human olfaction to identify distinct primary odors associated with polyamine variations in aromatic plant compounds. However, these lack empirical testing or inclusion in standardized academic literature.
Google AI mentions the name Ann Arbor, MI to report my findings. In my view, olfaction by itself is very sensitive and does not need further scientific evaluation.
James Griffin is an expert in Food Retail Industry. To promote knowledge of food products, in 2014, he announced the “James Griffin Quinoa Challenge Award” and the same was presented to me at Whole Foods Market Inc., Ann Arbor, Michigan, USA on Sunday, May 18, 2014. This award describes importance of the development of a food database that food consumers can easily use to make important decisions about the food products they purchase to promote their health and to prevent diseases like cancer. I ask my readers to acknowledge the creative use of putrid smelling Nitrogen containing unchanging biomolecules that operate the creation of life and the dissolution of life. The fact of Creation is simply revealed by knowing the Smell, the Scent, the Aroma, the Flavor and the Odor of Polyamine Molecules that declare their presence in the performance of human Reproduction as well as the nature of Mortal Existence making it extremely difficult to conceal the forensic evidence of Death.
Quinoa Challenge primarily involves a ‘Smell Test’. It requires preparing a small serving of hot, Quinoa Porridge using Ancient Harvest Organic Quinoa Flakes and smelling the Quinoa Porridge while it is steaming hot. The Winner of Quinoa Challenge has to correctly name the Primary Odor generated by Quinoa. The Quinoa Challenge takes about 90 seconds. I am pleased to announce that I am the First Winner of Quinoa Challenge in Michigan. Most possibly, I could be the First Winner of Quinoa Challenge in the entire World. I have not read any articles, or stories about people who may have correctly identified the Primary Odor generated by Quinoa. Please share your Quinoa Flavor experience.
The Primary Odors include the following and this listing varies according to different classifications of Odor:
1. Sweaty, 2. Spermous, 3. Fishy, 4. Malty, 5. Urinous, 6. Musky, 7. Camphoraceous, 8. Pepperminty, 9. Putrid, 10. Pungent, 11. Floral, and 12. Ethereal.
There are three sources of Polyamines; 1. Synthesis within the human body, 2. Production by microorganisms residing in the human gut or intestinal tract, and 3. Contribution from the diet. There is extensive literature to describe the role of Polyamines in plants and animals. The Polyamines are ubiquitous polycationic compounds and are essential to male and female reproductive processes and to embryo/fetal development. Indeed their absence is characterized by infertility and arrest in embryogenesis. Mammals synthesize Polyamines de novo from amino acids or import these compounds from the diet. Polyamines are essential regulators of cell growth and gene expression and they are implicated in both mitosis and meiosis. In male reproduction, Polyamine expression correlates with stages of spermatogenesis and they function to promote sperm motility. In the female reproductive system, Polyamines are involved in ovarian follicle development and ovulation and Polyamine synthesis is required for steroidogenesis( production of steroid hormones) in the ovary. Polyamines play a role in implantation, in decidualization, in placenta formation and its function. Polyamine deprivation during gestation results in intrauterine growth retardation. Dietary arginine (amino acid) and dietary Polyamines can be stated as nutritional regulators of human fertility. Polyamines are universally distributed in all living cells. Biosynthesis of Polyamines from amino acids ornithine and methionine fluctuates according to the metabolic needs of the cell. Polyamines specifically interact with Nucleic Acids ( DNA and RNA ) and these compounds are found in intracellular organelle called ribosomes where they stimulate protein and RNA synthesis. There is an extensive literature indicating the physiological significance of these amino compounds.
Quinoa Challenge-Quinoa Smell Test-First Winner in Michigan
After discovering the ‘Essence of Man’ by simply smelling a Quinoa preparation (more specifically Ancient Harvest Organic Quinoa Flakes), I started encouraging others to take the ‘Quinoa Challenge’. I was even willing to pay for the price of the Quinoa Flakes to give others a chance to experience this unique aroma, flavor, scent, or smell of aromatic chemical compounds made by both plants and animals but do not always make a recognizable sensory impact.
In the entire biological kingdom, Chenopodium quinoa is a plant that makes compounds just like those chemical compounds found in the biological fluid like Semen.
I am pleased to officially declare that Mr. B.G. of Ann Arbor, Michigan, USA is the Second Winner of Quinoa Challenge. He is the second person who formally participated in the “Quinoa Challenge” and has correctly identified the Primary Odor of freshly prepared hot Quinoa porridge. I am very hopeful that the “James Griffin Quinoa Challenge Award” will help humanity to correctly identify the Flavor and the Magic of Chenopodium Quinoa. Hopefully, this discovery about Chenopodium quinoa’s Flavor would be recognized as the most significant finding after ‘The Discovery of America’ by Christopher Columbus.
The Quinoa Challenge: The Proof of Pudding is in the Eating:
I am asking my readers to take the ‘Quinoa Challenge’, which is a simple ‘Smell Test’ to discover the presence of Polyamines Putrescine, Spermidine, and Spermine in the breakfast cereal of Quinoa Flakes made by Ancient Harvest. In 90 seconds, you will find the dietary polyamines without conducting a time-consuming chemical analysis. If your Quinoa porridge has Semen-like smell, it most certainly contains those Polyamines. As the saying goes: “The Proof of Pudding is in the Eating.”
Dr. Rudranarasimham, Rebbapragada, B.Sc., M.B.B.S.,
Father’s Name: R. Suryanarayana Murty, M.A., B.Ed.,
Sri Venkateswara University, M.B.B.S. Class of April, 1970
Andhra Pradesh Medical Council Medical Registration Number: AMC5282; Date of Registration: September 16, 1971
