Perfume con olor a Tierra Mojada: Geosmina & Petricor

Perfume con Olor a Tierra Mojada, o lo que es lo mismo: Geosmina y Petricor, ¿te suenan estos nombres?… tal vez a ti no, pero a tu A.D.N. estoy segura de que sí, en realidad, son esporas las que producen el característico olor a tierra mojada, ese que conforta y sobrecoge en igual proporción.

Dicho aroma, se haya impreso en nuestro A.D.N., y está íntimamente relacionado con el instinto supervivencia, y con la necesidad vital de conseguir agua para sobrevivir. En  un post anterior, os hablé del poder de los olores para hacernos rememorar momentos pasados, fenómeno conocido como  La magdalena de Proust”, aunque pocos olores nos subyugan más que el olor a tierra mojada.

Portada-foto-perfume-olor-tierra-mojada-geosmina-petricor-lluvia-lago-ness-maite-barroso-del-cerro

Hace poco leí un estudio, trataba sobre el porqué cuando estás melancólico ves películas, o escuchas música triste, ¿acaso para deprimirte aún más?, la realidad, es que el poder evocador que tiene la música o el cine, actúa como disparador de la memoria, ello hace que puedas revivir emociones pasadas, y esto paradójicamente, te hace sentir mejor.

Con el olor tierra mojada ocurre igual, hace que recuerdes tal vez tardes de lluvia mirando por la ventana, mientras escuchas la “música” de la lluvia al caer, ambas cosas: su fragancia y el sonido,  hacen de este olor algo ineludible. En mi caso, la lluvia trae consigo nostalgia y melancolía… si estoy en casa aprovecho para poner “Pink Moon” de  Nick Drake.

 

El mito de Dánae:

Hay innumerables mitos y dioses sobre la lluvia, y su capacidad de generar vida…. He escogido el mito de Dánae, el porqué…  el cuadro sobre este mito que pintó Tiziano me encanta!.
Acrisio rey de Argos, maldecía a menudo el día en que decepcionado por carecer de un hijo varón, decidió consultar el oráculo, su vaticinio no podía ser más terrible, algún día su nieto acabaría con su vida…  Para evitar su propia muerte, decidió encerrar a su hija Dánae (cuyo significado en griego  Δανάη es sedienta), en una celda con barrotes de oro. Danae-lluvia-de-oro-Tiziano-Wiki-olor-lluvia-mojada-maite-barroso-del-cerro
Pero Zeus se había encaprichado de Danae y transformándose en una lluvia de oro, cayó suavemente sobre su cuerpo, de aquella unión nació Perseo.
Acrisio al enterarse, arrojó a su hija con su nieto al mar en un cajón de madera, para que perecieran sin que su mano interviniera directamente en la muerte. Sin embargo, Poseidón a petición de Zeus calmó las aguas y les protegió hasta llegar a la isla de Serifos, donde Perseo crecería protegido por el pescador Dictis, quién lo crió como si de su propio hijo se tratara. Su vida  transcurrió tranquila, hasta que años más tarde, ya convertido en un héroe, fue capaz de matar a Medusa, y de rescatar a Andrómeda. De esta  forma se cumpliría  la profecía del oráculo, que había anunciado que mataría a su propio abuelo. Paradójicamente, si este le hubiera tratado como a un nieto amado no se habría cumplido la profecía.

Composición de olor a lluvia mojada:

Curiosamente hasta hace relativamente poco, nada se conocía de cómo se origina este olor característico a tierra mojada, los científicos han venido a poner luz, concluyendo que se debe a la Geosmina y al Petricor, veamos que son:

Geosmina:

Disfrutar de los placeres de la vida, a menudo tiene que ver con ser capaz de conceptualizar tus percepciones más básicas… para a continuación sublimarlas, en mi opinión, el olor a tierra mojada es una oportunidad perfecta para conseguirlo. Este olor me  resulta tan fascinante, sobrecogedor y adictivo!,  que no tuve más opción que investigar sobre su origen.

Lo primero que me sorprendió es que los griegos tuvieran ya una palabra para definirlo: Geosmina su significado es <<aroma de la tierra>>, en realidad este aroma lo producen a varios tipos de bacterias que producen la Streptomyces coelicolor y también cianobacterias.  Su olor terroso, y verde está a medio camino del olor a moho, aunque parezca increíble es una nota utilizada en perfumes.

Después de unos cuantos posts, os habréis dado cuenta que no hay notas buenas o malas, en perfumería cada una cumple una función en la composición: por su fragancia, o por su capacidad de evocación, o la de inducir efectos físicos y/o psicológicos.

Petricor:

Sin embargo, la palabra Petricor   cuya etimología proviene del griego petros (piedra) e ikhôr (etéreo). En la mitología griega Ikhôr es un mineral presente en la sangre de los dioses, o también aparece como la sangre de los dioses en la Illiada de Homero, Ulises nos describe el momento en que Diomedes hiere a Afrodita:

“Brotó la sangre divina, o por mejor decir, el Icor; que tal es lo que tienen los bienaventurados dioses, pues no comen pan ni beben vino negro, y por eso carecen de sangre y son llamados inmortales.

Autor Homero en La Illíada

No obstante, Petricor  es una palabra contemporánea (1964), pertenece a dos geólogos australianos: Isabel Joybear y R. G. Thomas, que como veis han escogido cuidadosamente su composición, su acepción significa: «es la fragancia de un aceite producido por ciertas plantas durante  prolongados periodos de sequía». Su misión según demostraron Bear y Thomas (1965) posteriormente, es retrasar la germinación de las semillas en época de sequía

El olor del Petricor, aunque aparece mezclado con el de la Geosmina, sin embargo, es mineral como de piedra dulce, terroso, evanescente… Si además, se añade el aparato eléctrico a la reunión, habrá un aroma a  ozono en el aire que contribuirá a dar más dramatismo a la experiencia.

Nube de aerosol frenética:

El investigador Youngsoo Joung del Instituto Tecnológico de Massachusetts (MIT), es uno de los responsables de la investigación que ha explicado, la original manera en que se transporta por el aire el olor a tierra mojada: cada gota de agua al caer, contribuye a diseminar las esporas de Geosmina en el aire, cada gota al golpear contra una superficie, primero se aplana, y después emergen una burbujas que ascienden, para desintegrarse acto después en el aire.

Este fenómeno se llama:  nube de aerosoles frenética , se eleva desde el suelo hasta un metro, y  puede viajar empujada por el viento hasta 60 km de distancia. En el desierto es donde este fenómeno es tiene un olor más intenso, y ese es el olor que guía hasta el agua a animales como el camello, o al ser humano hacia el agua…

Descripción de la nota olfativa lluvia mojada:

  • Olor: aparece con la lluvia, olor caracteristico a tierra mojada, según en que momento,  puede ser verde y mohoso, húmedo, terroso y mineral salado.  Analizado con los olores primarios sería pútrido, pungente y etéreo.
  • En cuanto a sus efectos físicos es calmante, relajante, antierógeno y tiene una potente capacidad evocadora. En la ciudad es menos intenso por la acidez de la contaminación.
  • Mensaje implícito: es olor a ecosistema, da información útil de nuestro entorno, donde hay agua, e incluso anuncia cambios de estación. Por lo tanto, reaccionamos instintivamente a él como lo hacemos a la vista de una serpiente, forma parte de nuestro “ajuar” genético para sobrevivir.
  • Intensidad del olor: sorprende que un olor tan etéreo sea tan ineludible, imposible escapar a su percepción, su capacidad para retrotraernos al pasado, hace que nos quedemos a menudo absortos contemplando la lluvia.
  • Agradable/desagradable: Ya he comentado que es difícil que escapemos a su influjo cuando lo percibimos, no obstante, las sensaciones que nos provoque pueden ser positivas o negativas dependiendo de nuestras experiencias pasadas asociadas a la lluvia, si esta se ha llevado tu coche contigo dentro, evidentemente no te traerá recuerdos asociados agradables.

Perfumes con Petrichor y Geosmina:

En la India, hay una pequeña empresa en la zona de Kannauj, que hace tiempo se dedica con éxito, a obtener el olor a tierra mojada. Es un proceso que dura algo más de un mes, en el que primero se recoge barro de la orilla del río, para después de haberse secado, se procede al destilado.
El producto obtenido se infusiona en aceite de sándalo, su nombre es Mitti Attar (attar es perfume en indio) y tiene un precio aproximado de 1000 euros el litro. Una curiosidad es que Thomas el descubridor del Petrichor, había conocido en la India este curioso attar.

Petricor-Geosmina-perfume-pale-grey-demeter-Un-jardin-apres-la-mousson-hermes-maite-barroso-del-cerro-portada

Los fenómenos atmosféricos, son un tema recurrente en la creación de perfumes Un Jardín après la Mousson de Hermès se inspira en un jardín en la India después de un aguacero sobre saturado de Geosmina. Hay muchos ejemplos de perfume que incorporan estas notas: el perfume nicho de Hermann A Mes Cotes Me Paraissait Une Ombre, o  Pale Grey Mountain, Small Black Lake  inspirada en las montaña de Irlanda. Los precios varian como este más económico de Demeter Fragancia con Petrichor.

Videoarte

Ahora un pequeño regalo: hemos hablado de lo que evoca el olor a tierra mojada, y  la disciplina del Videoarte es algo que exploro desde hace poco tiempo, combinando ambas cosas, en este vídeo de la mano de Wenceslao Hollmann podemos experimentar la sensación previa al  comienzo de un aguacero, y evocar el olor a tierra mojada que traerá consigo las esporas de Geosmina y Petricor.

Otras notas olfativas publicadas:

Perfume:

Marketing:

 

By Maite Barroso del Cerro

Published by

Maite Barroso del Cerro

Mi nombre es Maite Barroso del Cerro. El perfume es mi pasión, y guiada por ella, me he dedicado a estudiar sobre la elaboración del perfume antes de la irrupción de las sustancias odorantes químicas. He recopilado conocimientos significativos sobre dicha elaboración, sobre las notas naturales, y métodos de elaboración de manera autodidacta, aunque también he realizado cursos, por ejemplo el realizado en el Centro de Capacitación profesional Corazón Verde "Elaboración de colonias, perfumes, y destilación de plantas aromáticas". Lo primero que una percibe cuando comienza a estudiar este tema, es que hay una gran cantidad de información, imposible de discriminar la relevante de la que no lo es. Te sientes Teseo en el Laberinto, intentando encontrar un hilo conductor que te permita escapar al Minotauro con vida, o lo que es lo mismo, aprender algo antes de morir... Afortunadamente!, encontré el hilo y ahora quiero divulgar parte de ese conocimiento, volcándolo regularmente en este cuaderno de perfumes. Mi actividad profesional se ha desarrollado siempre en el Marketing, estoy actualizando mis conocimientos en Marketing con un grado, lo que me permite cruzar ambos conocimientos y experiencia, y hablar también sobre Marketing olfativo. Espero que lo disfrutéis como yo, nos leemos. Maite Barroso del Cerro

170 thoughts on “Perfume con olor a Tierra Mojada: Geosmina & Petricor”

  1. Hola Maite.

    He llegado hasta tu blog buscando información sobre el petricor, soy barman y busco crear un coctel que este perfumado con este aroma que me obsesiona tanto.
    Los perfumista y los barman tenemos muchas cosas en común.
    Me gustaría tener más información y te pediría, porfavor, si es posible, poder tener una conversación más profunda sobre la geosmina y el petricor.

    Muchisimas gracias de antemano

    1. Hola,

      Cierto, a mi me encanta el olor de la comida, y el del vino, también encuentro que hay muchas confluencias entre la cocina y las notas olfativas: chocolate, romero, vainilla, canela… son infinitas las coincidencias.

      Como ya te comenté por correo, creo que la nota olfativa que mejor podría retratar ese olor es el Vetiver.

      Espero que hayas ganado el concurso.

  2. QUE BELLO ARTICULO… ME ENCANTO, SOLO VINE PORQUE NECESITABA EXPLICARLE A MI PEQUEÑA HIJA EL AROMA A “TIERRA MOJADA” ME HE LEIDO TU ARTICULO ENCANTADA, TU INFORMACION DONDE ENLAZAS LA MITOLOGIA CON EL AROMA ME ENCANTO, EN VERDAD TE FELICITO… SUPER EVOCATIVO…

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