{"id":6428,"date":"2024-08-06T12:02:06","date_gmt":"2024-08-06T12:02:06","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=6428"},"modified":"2024-08-06T12:02:06","modified_gmt":"2024-08-06T12:02:06","slug":"evaluation-of-authentic-yangchun-sand-germplasm-resources","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/evaluation-of-authentic-yangchun-sand-germplasm-resources\/","title":{"rendered":"Evaluering af autentiske Yangchun Sand-kimplasmeressourcer"},"content":{"rendered":"<p>Amomum villosum Lour. er en fler\u00e5rig stedsegr\u00f8n urteagtig plante, der tilh\u00f8rer ingef\u00e6rfamilien og kardemommesl\u00e6gten. Dens t\u00f8rrede og modne frugt er en ber\u00f8mt traditionel kinesisk medicin ved navn \"Amomum villosum\" eller \"Spring Sand Kernel\". Yangchun-sand har en varm natur og en skarp smag. Det virker ved at fordrive fugt, stimulere appetitten, opvarme milten, stoppe diarr\u00e9, regulere qi og stabilisere fosteret. Det er en af de \"fire store sydlige l\u00e6gemidler\" i Kina. Yangchun-sand har v\u00e6ret anvendt i mere end 1300 \u00e5r og distribueres i dag hovedsageligt i Guangdong, Yunnan, Guangxi, Fujian, Hainan og andre steder. Yangchun City i Guangdong-provinsen er et ejendomsomr\u00e5de, og det producerede Yangchun-sand har den bedste medicinske effekt.<br \/>\nI de senere \u00e5r har prisen p\u00e5 autentisk Yangchun-sand ligget stabilt p\u00e5 et h\u00f8jt niveau med en pris p\u00e5 over 2000 yuan\/kg. Plantningsarealet med Yangchun-sand i forskellige byer og landsbyer i Yangchun City er ogs\u00e5 blevet udvidet \u00e5r for \u00e5r. Udbyttet pr. arealenhed af Yangchun-sand er dog stadig meget lavt med et gennemsnitligt udbytte p\u00e5 kun 7,07 kg pr. mu if\u00f8lge vores forskningsgruppes statistikker. De st\u00f8rste problemer med autentisk Yangchun-sand er lav produktion og uj\u00e6vn kvalitet. Derfor er opdr\u00e6t af Yangchun-sand med h\u00f8jt udbytte og h\u00f8j kvalitet blevet et vigtigt emne, som det haster med at f\u00e5 l\u00f8st. Flygtig olie er den vigtigste aktive ingrediens i Yangchunsha, der indeholder kemiske komponenter som kamfer, kamfen, bornylacetat og borneol, hvoraf bornylacetat er den vigtigste aktive ingrediens. Kvaliteten af Yangchun-sand kan evalueres ved at m\u00e5le dets effektive ingredienser. Denne unders\u00f8gelse m\u00e5lte udbyttet, indholdet af flygtig olie og bornylacetat samt den karakteristiske kemiske sammens\u00e6tning af flygtig olie i 28 forskellige produktionsomr\u00e5der inden for ejendomszonen for at foretage en omfattende evaluering af fordele og ulemper ved hver kimplante for at opn\u00e5 h\u00f8jtydende Yangchun-sandkimplanter af h\u00f8j kvalitet.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6429\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-28.jpg\" alt=\"\" width=\"609\" height=\"366\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6430\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-25.jpg\" alt=\"\" width=\"650\" height=\"720\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6431\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-177.png\" alt=\"\" width=\"650\" height=\"696\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6432\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-156.png\" alt=\"\" width=\"609\" height=\"753\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-156.png 609w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-156-582x720.png 582w\" sizes=\"(max-width: 609px) 100vw, 609px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6433\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-141.png\" alt=\"\" width=\"609\" height=\"370\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6434\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-127.png\" alt=\"\" width=\"609\" height=\"431\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6435\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-116.png\" alt=\"\" width=\"609\" height=\"295\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6436\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-105.png\" alt=\"\" width=\"609\" height=\"360\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6437\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-97.png\" alt=\"\" width=\"650\" height=\"734\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-97.png 650w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-97-638x720.png 638w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6438\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/10-77.png\" alt=\"\" width=\"609\" height=\"389\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6439\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/11-71.png\" alt=\"\" width=\"609\" height=\"170\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6440\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/12-56.png\" alt=\"\" width=\"608\" height=\"184\" \/><\/p>\n<p>Yangchun-sand har v\u00e6ret anvendt i Kina i over 1300 \u00e5r, og efter tusindvis af \u00e5rs dyrkning har det udviklet en stor genetisk mangfoldighed i de lokale omr\u00e5der. De betydelige forskelle i den kemiske sammens\u00e6tning og indholdet af flygtige olier i forskellige fr\u00f8klynger (se tabel 5) samt forskellene i antallet af frugter, der s\u00e6ttes i en enkelt frugtsekvens, dvs. forskellene i frugthastighed, indikerer, at der er opst\u00e5et genetiske og fysiologiske variationer i forskellige kimplasmer af Yangchunsha. Forskellene i typer og indhold af kemiske komponenter samt forskellene i frugtnedfaldshastighed er t\u00e6t forbundet med v\u00e6kstmilj\u00f8et og dyrkningsbetingelserne. V\u00e6kstmilj\u00f8et og dyrkningsbetingelserne for kimplasmerne XAL, XAM og XAN er dog ens. De blev indsamlet fra det tilst\u00f8dende omr\u00e5de Gankeng, Zhongjiaodong Village, Chunwan Town, Yangchun City, med de samme dyrknings- og forvaltningsforanstaltninger. Frugtnedfaldet i kimplasma XAM er dog lavere end i XAL, og typerne og indholdet af kemiske komponenter er ogs\u00e5 forskellige fra XAL og XAN. Frugthastigheden er relateret til niveauet af gibberellin i kroppen af Yangchun-sand. Deres sammens\u00e6tning og fysiologiske forskelle er hovedsageligt afledt af genetiske forskelle. Lignende situationer omfatter kimplasmerne XAO, XAP og XBM. Hovedproduktionen af Yangchun-sand i Kina foreg\u00e5r i Guangdong-provinsen, Yunnan-provinsen og Guangxi-provinsen. Yunnan-provinsen har det st\u00f8rste dyrkningsareal p\u00e5 720000 mu med en samlet produktion p\u00e5 16500 tons i 2020. Yangchun City i Guangdong-provinsen er et \u00e6gte produktionsomr\u00e5de for Yangchun-sand. Kvaliteten af \u00e6gte Yangchun-sand er den bedste, men den samlede produktion i 2020 var kun 300 tons, og det lave udbytte er flaskehalsen for udviklingen af planteindustrien for \u00e6gte Yangchun-sand. Der er tre hoved\u00e5rsager til det lave udbytte: for det f\u00f8rste Yangchunshas blandede kimplasma, hvor der er mindst to forskellige kimplasmaer i det samme planteomr\u00e5de; for det andet er frugtnedfaldet meget h\u00f8jt, op til 70%; for det tredje er den naturlige frugthastighed kun 1,17%, og det er n\u00f8dvendigt at stole p\u00e5 kunstig best\u00f8vning for at \u00f8ge udbyttet. Kunstig best\u00f8vning har lav effektivitet og h\u00f8j arbejdsintensitet. Under den kunstige best\u00f8vning kan det at tr\u00e6de p\u00e5 jordens jordst\u00e6ngler f\u00f8re til mere alvorlige frugtfald og danne en flaskehals for at \u00f8ge udbyttet. Den mulige m\u00e5de at bryde igennem flaskehalsen i udviklingen af Yangchunsha-planteindustrien i ejendomsomr\u00e5det er at dyrke fremragende sorter med h\u00f8jt udbytte og h\u00f8j kvalitet.<\/p>\n<p>Der er i \u00f8jeblikket ingen f\u00e6lles standard for, hvordan man definerer h\u00f8jt udbytte og h\u00f8j kvalitet. Med hensyn til udbytte er det gennemsnitlige udbytte pr. mu af \u00e6gte Yangchunsha i \u00f8jeblikket 7,07 kg, mens det gennemsnitlige udbytte pr. mu i Yunnan-provinsen er 22,9 kg. I begyndelsen af 1980'erne havde nogle planteomr\u00e5der i Guangxi et udbytte p\u00e5 85 kg pr. mu. Til sammenligning er udbyttet pr. mu i \u00e6gte produktionsomr\u00e5der meget lavt. Vores forskningsgruppe unders\u00f8gte antallet af blomsterstande af Yangchunsha i Bazhai Town, Maguan County, Wenshan Prefecture, og fandt ud af, at der var 60000 blomsterstande pr. mu med et gennemsnit p\u00e5 11,1 blomster pr. blomsterstand. Hvis alle blomsterne kunne b\u00e6re frugt, ville der v\u00e6re 666.000 frugter, hvilket svarer til et udbytte p\u00e5 416,25 kg pr. mu (1600 t\u00f8rrede frugter pr. kg). S\u00e5 selv med et hektarudbytte p\u00e5 85 kg er der stadig stor plads til \u00f8get produktion. Med hensyn til kvalitet er der ogs\u00e5 mangel p\u00e5 standarder for h\u00f8j kvalitet. Farmakop\u00e9en specificerer kun minimumsgr\u00e6nserne for indholdet af flygtig olie og bornylacetat og foreskriver, at indholdet af flygtig olie i Yangchun-sandfr\u00f8klynger ikke m\u00e5 v\u00e6re mindre end 3,0% (mL\/g), og at indholdet af bornylacetat ikke m\u00e5 v\u00e6re mindre end 0,90%. Der er ingen forskning, der indikerer, at jo h\u00f8jere indholdet af flygtig olie og bornylacetat er, jo bedre er kvaliteten af Yangchun-sand. Traditionel kinesisk medicin l\u00e6gger dog v\u00e6gt p\u00e5 autenticitet, og autentiske medicinske materialer anerkendes som de medicinske materialer af h\u00f8jeste kvalitet. De 28 kimplanter, der blev brugt i denne unders\u00f8gelse, blev alle indsamlet fra autentiske omr\u00e5der og er autentisk Yangchun-sand. Resultaterne i figur 3 viser, at indholdet af bornylacetat i autentisk Yangchun-sand er meget h\u00f8jt, idet det laveste indhold i kimplanten XAE n\u00e5ede op p\u00e5 1,68%, hvilket er 86,7% h\u00f8jere end den standard, der er angivet i farmakop\u00e9en. Det h\u00f8jeste indhold i kimplanten XBR er 2,81%, hvilket er 212,2% h\u00f8jere end den standard, der er angivet i farmakop\u00e9en. Desuden havde 67,86% af pr\u00f8verne et indhold af bornylacetat, der var h\u00f8jere end 2,20%, mens kun 10% af pr\u00f8verne fra Yunnan-produktionsomr\u00e5det havde et indhold af bornylacetat, der var h\u00f8jere end 2,20%.<\/p>\n<p>Baseret p\u00e5 ovenst\u00e5ende analyse mener vi, at h\u00f8jtydende kimplanter af h\u00f8j kvalitet fra Yangchun-sand skal have et udbytte p\u00e5 over 40 kg pr. mu, og indholdet af flygtig olie og bornylacetat skal v\u00e6re h\u00f8jere end henholdsvis 3,50% (mL\/g) og 2,20%. Baseret p\u00e5 denne standard screenede og opn\u00e5ede denne artikel kimplanterne XBC, XBH, XBR, XBG og XAP som h\u00f8jtydende kandidatkimplanter af h\u00f8j kvalitet til Yangchunsha. Det n\u00e6ste skridt bliver at unders\u00f8ge forholdet mellem forbedrede sorter og biologiske egenskaber for at screene og opn\u00e5 mere fremragende kimplanter hurtigere gennem analyse af biologiske egenskaber.<\/p>","protected":false},"excerpt":{"rendered":"<p>Amomum villosum Lour. is a perennial evergreen herbaceous plant belonging to the ginger family and the cardamom genus. Its dried and ripe fruit is a famous traditional Chinese medicine, named &#8220;Amomum villosum&#8221; or &#8220;Spring Sand Kernel&#8221;. Yangchun sand has a warm nature and a pungent taste. It has the effects of dispelling dampness, stimulating appetite, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Evaluation of Authentic Yangchun Sand Germplasm Resources - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/da\/evaluation-of-authentic-yangchun-sand-germplasm-resources\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Evaluation of Authentic Yangchun Sand Germplasm Resources - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Amomum villosum Lour. is a perennial evergreen herbaceous plant belonging to the ginger family and the cardamom genus. Its dried and ripe fruit is a famous traditional Chinese medicine, named &#8220;Amomum villosum&#8221; or &#8220;Spring Sand Kernel&#8221;. Yangchun sand has a warm nature and a pungent taste. 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Its dried and ripe fruit is a famous traditional Chinese medicine, named &#8220;Amomum villosum&#8221; or &#8220;Spring Sand Kernel&#8221;. Yangchun sand has a warm nature and a pungent taste. 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