Rhizoma polygonati from Mount Tai:nutritional value and usefulness as a traditional Chinese medicine,source of herbzyme,and potential remediating agent for COVID-19 and chronic and hidden hunger

Recently,traditional Chinese medicine-based treatment has succeeded in fighting coronavirus disease 2019(COVID-19),and Rhizoma polygonati(Huangjing)has been one of the recommended components.Its processed products play antidiabetic,antiviral,antitumor,antioxidation,antifatigue,antiaging,and immune enhancement roles.The climate in Mount Tai is mild,and the dense forest is suitable for the growth of Rhizome polygonati,which has gradually evolved into a unique specie.Considering the important medicinal value and pleasant taste of Mount Tai-Rhizoma polygonati,various healthy and functional food products,controlled by quality markers with anti-COVID-19 potential,as well as emergency foods can be developed.The study aimed to review current evidence on the nutritional value of Rhizoma polygonati from Mount Tai and its usefulness as a traditional Chinese medicine,source of herbzyme,and potential remediating agent for COVID-19 and food shortage.Most recent findings regarding herbal nanomedicine have revealed that nanoscale chemical compounds are potentially efficient in drug delivery or nanozyme catalysis upon bioprocessing.Nanoflower structure is found in processed Rhizoma polygonati by self-assembly and has wide application in enzymatic events,particularly nanoscale herbzyme.The novel findings regarding Mount Tai-Rhizoma polygonati could enhance its novel applications in chronic and hidden hunger,clinical nanomedicine,and as an anti-COVID-19 agent.

稻壳覆施技术对棚内湿度的调控效果以及番茄长势和晚疫病抗性的影响

为了明确稻壳覆施技术对大棚番茄长势以及抗病性的影响,在大棚番茄缓苗期于行长8 m、行距0.9 m的番茄行间,分别覆盖施用经反应堆处理的稻壳0(未覆施,CK)、10、15和20 kg,研究了不同用量稻壳覆施对棚内相对湿度的调控效果,以及番茄长势和晚疫病发生为害的影响。结果表明:试验用量的稻壳覆施后,番茄生育期棚内相对湿度均较CK显著降低,湿度随着稻壳用量的增加而逐渐降低,其中稻壳用量20 kg处理降湿效果最好,湿度降幅为40%左右;株高、茎粗、叶面积、根系活力、根系干重和光合效率均>CK,其中稻壳用量20 kg处理效果最好;番茄晚疫病病情指数明显降低,病情指数随着稻壳用量的增加而逐渐降低,其中稻壳用量20 kg处理防病效果最好,相对防效为44.9%。在大棚内采用稻壳覆施技术,可有效降低棚内空气相对湿度,增强番茄长势,明显抑制番茄晚疫病的发生与为害。