Ku Germany, asayansi pakufufuza adapeza kuti fern Salvinia Molesta amatenga mwangwiro zinthu zopaka mafuta, kuphatikiza mafuta. Mwachilengedwe, mtundu uwu wamaluwa umatengedwa ngati namsongole, koma popeza zida zatsopano zapezeka, zithandizira kuyeretsa madzi am'nyanja ndi nyanja pakatayika mafuta.
Kupezeka kwa mayamwidwe amafuta ndi fern kudachitika mwangozi, pambuyo pake zotsatira za chomeracho zidayamba kuphunziridwa mozama. Alinso ndi ma microwave, omwe amatenganso ndi kuyamwa mamolekyulu azinthu zamafuta.
Fern wamtunduwu amakhala m'malo achilengedwe m'malo otentha. Mwachitsanzo, ku Philippines, chomerachi chimagwiritsidwa ntchito kuyeretsa madzi.
Matupi amadzi osiyanasiyana amaipitsidwa pambuyo pangozi ndi mafuta amisiri ndi mafuta, zopangira mankhwala, ndi zinyalala zapakhomo. Fern akhoza kuloledwa kulowa m'matupi amadzi odetsedwa, ndipo chifukwa imachulukana mwachangu, imatha kuyamwa mafuta, kutsuka thupi lamadzi nthawi yayifupi.
