The seedlings of Halocnermum strobilaceum were cultivated in 0.5% hoagland nutrient solution containing 0.0%, 0.9%, 2.7% and 5.4% of NaC1 as well as composite salt (Na^+, Ca^2+, K^+, Si^4+) for 20 days; all the ...The seedlings of Halocnermum strobilaceum were cultivated in 0.5% hoagland nutrient solution containing 0.0%, 0.9%, 2.7% and 5.4% of NaC1 as well as composite salt (Na^+, Ca^2+, K^+, Si^4+) for 20 days; all the contents are in weight ratio. Succulent level, inorganic ions (Na^+, K^+), organics such as betaine, proline, malondialdehyde, and antioxidant enzyme activities including superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), betaine aldehyde dehydrogenase (BADH) were measured to reveal its salt tolerance mechanism. When the composite salt concentration reaches 5.4%, SOD activity level, and MDA content is five times the control group; when it reaches 2.7%, the succulent level of seedlings, and the content ofK+ in roots is nearly two times the NaCl treatment; the dry weight is more than three times the control group; with the NaCl treatment, MDA is three times the contrast; when the salt concentration is 2.7%, POD reaches the maximum. Results indicate that Si^4+, K^+, and Ca^20 from composite salt in the roots of H. strobilaceum improved the water-holding capacity. The activities of antioxidant enzyme were raised by the accumulation ofproline and betaine, which increased the salt tolerance. The absorption of K^+ promoted the high ratio of K^+/Na^+ and alleviated the damage of cell membranes of H. strobilaceum, which is associated with osmotic contents such as betaine and proline.展开更多
The use of plant resources in obtaining medicines and locally useful species is an important step in the creation of a sustainable raw material base. The promising use of species of the Chenopodiaceae family, as a med...The use of plant resources in obtaining medicines and locally useful species is an important step in the creation of a sustainable raw material base. The promising use of species of the Chenopodiaceae family, as a medicinal and food raw material, makes it relevant to investigate new promising sources of polyphenols to identify the chemical structure of compounds and their biological activity. Because the extract from Halocnemum strobilaceum has high antiradical activity, it seems important to study the possibility of correction of disturbances in oncological, diabetic and other non-infectious patients and consider them as promising drugs. In the first identified 5 polyphenols from Halocnemum strobilaceum, the obtained analyses show that this desert plant will allow creating in the future of a new range of promising biologically active substances, as well as using effectively the plant cover around the Aral.展开更多
基金funded by the National Natural Science Foundation of China(Grant Nos.31160118,31460162,31422011,31370402,and 30800122)
文摘The seedlings of Halocnermum strobilaceum were cultivated in 0.5% hoagland nutrient solution containing 0.0%, 0.9%, 2.7% and 5.4% of NaC1 as well as composite salt (Na^+, Ca^2+, K^+, Si^4+) for 20 days; all the contents are in weight ratio. Succulent level, inorganic ions (Na^+, K^+), organics such as betaine, proline, malondialdehyde, and antioxidant enzyme activities including superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), betaine aldehyde dehydrogenase (BADH) were measured to reveal its salt tolerance mechanism. When the composite salt concentration reaches 5.4%, SOD activity level, and MDA content is five times the control group; when it reaches 2.7%, the succulent level of seedlings, and the content ofK+ in roots is nearly two times the NaCl treatment; the dry weight is more than three times the control group; with the NaCl treatment, MDA is three times the contrast; when the salt concentration is 2.7%, POD reaches the maximum. Results indicate that Si^4+, K^+, and Ca^20 from composite salt in the roots of H. strobilaceum improved the water-holding capacity. The activities of antioxidant enzyme were raised by the accumulation ofproline and betaine, which increased the salt tolerance. The absorption of K^+ promoted the high ratio of K^+/Na^+ and alleviated the damage of cell membranes of H. strobilaceum, which is associated with osmotic contents such as betaine and proline.
文摘The use of plant resources in obtaining medicines and locally useful species is an important step in the creation of a sustainable raw material base. The promising use of species of the Chenopodiaceae family, as a medicinal and food raw material, makes it relevant to investigate new promising sources of polyphenols to identify the chemical structure of compounds and their biological activity. Because the extract from Halocnemum strobilaceum has high antiradical activity, it seems important to study the possibility of correction of disturbances in oncological, diabetic and other non-infectious patients and consider them as promising drugs. In the first identified 5 polyphenols from Halocnemum strobilaceum, the obtained analyses show that this desert plant will allow creating in the future of a new range of promising biologically active substances, as well as using effectively the plant cover around the Aral.