赤灵芝的药效辨别

2025-02-03 12:52:16
推荐回答(1个)
回答1:

随着野生灵芝资源的过度开采,目前真正的野生灵芝已经越来越稀少,许多菌种还面临灭绝的危机。目前,虽然国内兴起了一波灵芝人工栽的热潮,但由于其先天的缺陷,人工栽培灵芝只是“得其形而失其实”,药用效果远远不能和野生灵芝相媲美。因为大自然的有大自然的规律,灵芝作为天然的产物,天然的环境不是人工可以复制的,人工灵芝的生长取决于培养基的培殖,氮肥成分高从而转化的蛋白成分高,(要是求蛋白成分可能乡下的鸡蛋也不错的)野生灵芝因长在枯木之上,氮成分吸收少,而各种微量成分吸收多,生长慢,木质化程度高,从而转化的多糖成分多,而药用价值也正是它的多糖成分高,具体来说: 一般的农作物都在连耕连作(在农业生产上是忌连作的)后,品种就会退化,病毒病易发,再也难以种植发展相同的品种!中国灵芝的故乡,但目前中国灵芝产业中所用的菌种存在着严重的品种退化及质量下降等问题。现在品质较高的灵芝种大多依靠从日本、韩国引进,且数年后同样会退化,这与中国灵芝大国的地位极不匹配。
野生灵芝通过担孢子来繁殖,灵芝孢子有四种性别:a1、a2、b1、b2,只有a、b两类不同性别的孢子(a1和b2、a2、和b2)交配才能长出子实体,这是大自然忧胜劣汰规律的体现,也保证了忧质灵芝菌种的繁衍。而人工栽培灵芝大多采用无性繁殖,即通过菌丝体的分裂一培植菌种,再将菌丝体分割,再次培育更多的菌捉,其间不需要交配过程。一代代的无性繁殖下去,就像人类近亲结婚一样,必然导致菌种的退化。
而有的人工灵芝都是以工业的方法来发酵培养菌种的,搞不好易诱发各类疾病! 灵芝的质量与品质依靠生长期、环境、温度、湿度、品种等多种因素来完成。生度期限越长,有效期成分越高,故有千年灵芝一说。灵芝的有效成分同生长期是按几何数增长的,现在市场上以人工栽培灵芝为主。
野生赤灵芝实体的生长周期约9—10个月左右,平盖灵芝的生长期更长,原始森林中常有几十年、上百年的灵芝出现。而袋料栽培的人工赤芝采用化肥培养基,到成熟只需要30天,段木栽培也仅仅三个月左右,导致人工灵芝的药物有效成分累及量低,无法达到理想的疗效。
人工栽培灵芝的生长期很短,加上菌种的病毒感染,同一菌种多次接种,农药的大量使用,基料的变化等,使目前的人工栽培灵芝往往是具有其形而无其质,比如,灵芝抗肿瘤延衰老,得高免疫最重要的成分为有机锗,在栽培灵芝中就不含有,多糖含量也只有野生的1/3左右。药理活性很强的灵芝酸含量很低,各种微量元素差异很大,各种有效成分的活性极低。如中国用板蓝根治疗感冒、肝炎等多种疾病已是家喻户晓,然而近年来不少病人和医护人员反映,服了板蓝根冲剂没什么药效。这一问题已由第二医大学药学院乔传卓教授等揭开迷底,他们经过多处的研究发现,由于多年的栽培,不同产地种子的互换,板蓝根也有近2/3无药理活性,徒有板蓝根之名,而无板蓝根之实;中国灵芝栽培也遇到同样的问题,这将严重影响中国人工灵芝产业的发展。 人工栽培最致命的一个缺点,那就是污染,特别是化学污染往往是人类各种疾病的源泉,为什么在工业区中往往致癌或白血病者多呢?无非就是环境的污染,人工栽培不可避免的要用到农药与化学方法来培育菌种,比如栽培过程中要用到农药来控制病菌虫害的控制,说到农药这东西应该大家知道他的作用与害处了吧,蔬菜农药打多了,看上去菜很好,但有些人宁愿买有长虫的菜!在农业上有自然农耕之法,绝对的不用化学成分来种植,完全是靠大自然的生物链来解决整个过程,即为天然食品,或是绿色食品!目前也有有机食品,无公害食品之说,请注意这些概念与纯天然,纯绿色一说是有区别的,后者是允许与限制使用激素或化学物品的,而野生灵芝才是真正天然的,绿色的......你喜欢哪一种,你自己选择了!

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