Cosmetics made from natural ingredients are becoming more and more common because they contain bioactive compounds that provide many health benefits,are more environmentally friendly and sustainable.Anoectochilus roxb...Cosmetics made from natural ingredients are becoming more and more common because they contain bioactive compounds that provide many health benefits,are more environmentally friendly and sustainable.Anoectochilus roxburghii(AR)is a precious Chinese herb in China,possessing bioactive components including flavonoids,polysaccharides,volatile oils,kinsenoside,etc.Due to its unique bioactivity and high safety,the prospect of development and utilization is very broad.In this paper,the extraction,separation and purification techniques of AR’s flavonoid,polysaccharides,volatile oils and kinsenoside are briefly summarized.Meanwhile,we discusses their conformational relationships in cosmetics with antioxidant,whitening,antibacterial and soothing effect,and looks forward to the study of Anoectochilus roxburghii in the field of cosmetics,with a view to providing references to the development and utilization of this resource in the field of cosmetics.展开更多
The 3He/4He ratios of most eclogites from the Dabie-Sulu terrane range from 0.056 to 0.67 Ra; the data points fall into the mixing part of the crust and the mantle in the 3He-4He diagram. The 3He/4He ratios of eclogit...The 3He/4He ratios of most eclogites from the Dabie-Sulu terrane range from 0.056 to 0.67 Ra; the data points fall into the mixing part of the crust and the mantle in the 3He-4He diagram. The 3He/4He ratios of eclogites are obviously correlated with the types of their surrounding rocks. The helium isotope composition of the eclogites from the Bixiling complex possesses characters of mantle-derived rocks with the 3He/4He ratio being 5.6 Ra. The 4He concentration of the eclogites exhibits visible inverse correlation with the δ18O value of the quartz in the eclogites from the Sulu area. The δ18O values of the eclogites change synchronously with those of the country rocks. Those results suggest that protoliths of the eclogites were basic-ultrabasic rock bodies or veins intruding into the continental crust in the early stage; strong exchange and hybridization between the basic-ultrabasic rocks and continental rocks and the atmospheric water during the intrusion led to abrupt increase of the 3He/4He ratios,展开更多
文摘Cosmetics made from natural ingredients are becoming more and more common because they contain bioactive compounds that provide many health benefits,are more environmentally friendly and sustainable.Anoectochilus roxburghii(AR)is a precious Chinese herb in China,possessing bioactive components including flavonoids,polysaccharides,volatile oils,kinsenoside,etc.Due to its unique bioactivity and high safety,the prospect of development and utilization is very broad.In this paper,the extraction,separation and purification techniques of AR’s flavonoid,polysaccharides,volatile oils and kinsenoside are briefly summarized.Meanwhile,we discusses their conformational relationships in cosmetics with antioxidant,whitening,antibacterial and soothing effect,and looks forward to the study of Anoectochilus roxburghii in the field of cosmetics,with a view to providing references to the development and utilization of this resource in the field of cosmetics.
文摘The 3He/4He ratios of most eclogites from the Dabie-Sulu terrane range from 0.056 to 0.67 Ra; the data points fall into the mixing part of the crust and the mantle in the 3He-4He diagram. The 3He/4He ratios of eclogites are obviously correlated with the types of their surrounding rocks. The helium isotope composition of the eclogites from the Bixiling complex possesses characters of mantle-derived rocks with the 3He/4He ratio being 5.6 Ra. The 4He concentration of the eclogites exhibits visible inverse correlation with the δ18O value of the quartz in the eclogites from the Sulu area. The δ18O values of the eclogites change synchronously with those of the country rocks. Those results suggest that protoliths of the eclogites were basic-ultrabasic rock bodies or veins intruding into the continental crust in the early stage; strong exchange and hybridization between the basic-ultrabasic rocks and continental rocks and the atmospheric water during the intrusion led to abrupt increase of the 3He/4He ratios,
