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Effect of Zea Mays on Glycation End Products

Thesis Info

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Author

Shahzadi, Hina

Program

PhD

Institute

University of Agriculture

City

Faisalabad

Province

Punjab

Country

Pakistan

Thesis Completing Year

2014

Thesis Completion Status

Completed

Subject

Natural Sciences

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/2728/1/2718S.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676726010102

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The antioxidant and antiglycation activities of various plant and ear parts of three maize (Zea mays L.) varieties (Golden, Sultan and Agatti 85) were studied. The results provided evidence that one ear and plant part of maize were effective in inhibiting the glycation activity. Whereas all maize ear and plant parts showed the presence of antioxidants. The silks of “Golden” had highest activities of protease and α-amylase and highest levels of total sugars and non-reducing sugars. Husk of variety “Golden” was rich in reducing sugars whereas its grains were rich in total soluble proteins. Total phenolic contents were highest in silk of variety “Sultan”, peroxidase in its husk and catalase in grains. The highest level of superoxidase dismutase and malondialdehyde was recorded in silks of variety “Agatti85”. Maximum inhibition of glycation endproducts formation was shown by the husk of “Agatti85” (ears part). Among plant parts, leaves of “Sultan” showed maximum antioxidant activity, superoxidase dismutase, protease, peroxidase activities and highest level of non- reducing sugars. Highest α-amylase, total sugars and reducing sugars were observed in leaves of “Golden”. The leaves of the variety “Agatti85” were rich in catalase activity and malondialdehyde contents. Total soluble protein in stem and the total phenolic contents were found to be high in the flowers of the variety “Sultan”. It can be concluded that there are some active contents present in the various ear and plant parts which were responsible for the high antiglycation and antioxidant activity. In future studies, their active contents can be isolated and purified from the maize parts for the medical purpose. As they are valuable against kidney, liver or other organs diseases including diabetes mellitus, hypertension and cardiovascular diseases.
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مولانا عبدالحئی سہارنپوری

مولانا عبدالحئی سہارنپوری
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ان کے والد حیدرآباد میں مطب کرتے تھے، اس تعلق سے حیدرآباد جاکر رہے اور جامعہ عثمانیہ میں استاد مقرر ہوئے، ساتھ ہی ولی عہد بہادر نواب معظم جاہ بہادر (ہزبائنس پرنس آف برار) کی استادی و اتالیقی کے منصب پر...

قرآن کا صیغہ نہی اور عائلی منکرات

Islam has prescribed its orders either demanding some acts or avoiding from the prohibited acts. This research article is about the Islamic prohibitions regarding family matters. No doubt family is the most sacred and sensitive institution of the society and Islam has well established this institution with its orders providing the ethical, spiriyual and legal values to the Muslim Society. Some of these orders are purely family matters and some are family as well as the matters related to the whole society. This research paper is to elaborate the Islamic prohibitions which affect the family as well as the social life of the individuals and it is just to make the society peaceful and obligation and rights onserving society.

Application of Biochar and Rhizobacteria to Ameliorate the Drought in Maize Zea Mays L.

Drought is one of the major abiotic stresses among all the abiotic factors and it is recurrent climatic factor usually faced by plants in arid and semiarid areas and serious threat to food security. Biochar is a carbon rich product of pyrolysis, which have high water retention capacity due to its high surface area and highly porous nature. Plant growth promoting rhizobacteria (PGPR) are group of microorganisms in the rhizosphere, which improves plant growth through different mechanisms i.e. hormone production, ACC deaminase and exopolysaccharides production etc., under stress conditions. Simultaneous application of biochar and rhizobacteria could be an effective approach for improving growth, physiology and yield of maize under drought stress. In this study crushed corn cobs biochar was produced at 300 and 400 ̊C pyrolysis temperature. Three levels of biochar (0, 1 and 3%) were applied into the soil to find best biochar type and level for improving drought resilience in maize. Drought levels (100, 70 and 40% FC) were maintained gravimetrically. Biochar application significantly improved the growth and physiology of maize under drought stress. Overall 3% biochar produced at 400 ̊C significantly improved shoot and root length, shoot and root dry weight, relative water content and protein content in maize under drought stress. Among soil quality parameters, aggregate stability, carbon pool index (CPI), lability index (LI) and soil moisture contents were also increased significantly with 3% (400 ̊C) biochar as compared to control and increase in aggregate stability and moisture content was 80 and 132% more as compared to control at drought level 70% FC, respectively. Therefore, 3% biochar produced at 400 ̊C was selected for further evaluation in the pot trial along with PGPR under drought stress. A number of rhizobacterial strains were isolated from maize rhizosphere from arid and semi-arid areas of Punjab, Pakistan. Fast growing rhizobacterial isolates were subjected to drought tolerance assay and further screening was done under drought stress. Nine most effective isolates (LK2, LK7, LK9, LK13, LK16, LK18, LK21, LK24 and LK29) were selected to evaluate their potential for improving growth and physiology of maize under drought stress. Inoculation of LK13 and LK16 significantly improved maize seedling growth, fresh and dry weight, photosynthetic activity, transpiration rate, stomatal conductance and water use efficiency as compared to control. Isolate LK-13 and LK-16 showed maximum growth promotion and were selected for pot trial. Biochar at 3% (produced at 400 ̊C) was applied in combination with PGPR strains LK-13 and LK-16 for improving growth, physiology and yield of maize (Zea mays L.) under drought stress. Combined application of biochar and PGPR significantly improved the growth, yield and physiological parameters compared to control. Results also revealed that antioxidant enzymes (CAT, SOD, POD, APX, GPX) activity in plant leaves was reduced while soil enzymes (acid phosphatase, alkaline phosphatase & β-glucosidase) activity and microbial biomass C and N were improved significantly as compared to control. Grain yield was increased significantly upto 80% with biochar + LK-16 compared to control at 70% FC. Finally, is was concluded that biochar application @ 3% produced at 400 ̊C) along with rhizobacteria significantly improved the growth, physiology and yield of maize under drought stress. However, further evaluation should be needed for practical application under field conditions.