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Full-Text Articles in Life Sciences

Ultrasonic-Assisted Extraction Of Polysaccharide From Ardisia Mamillata And The Evaluation Of Its Antioxidant Activity, Shao Jinhua, Ma Yongqiang, He Fulin, Li Tao, Yang Yuxiang Dec 2016

Ultrasonic-Assisted Extraction Of Polysaccharide From Ardisia Mamillata And The Evaluation Of Its Antioxidant Activity, Shao Jinhua, Ma Yongqiang, He Fulin, Li Tao, Yang Yuxiang

Food and Machinery

A orthogonal test was utilized to optimize the ultrasonic-assisted extraction process of the polysaccharide in Ardisia mamillata based on the single-factor experiment, and its antioxidant activity was evaluated. The results demonstrated that the polysaccharide in Ardisia mamillata could be extracted best by using distilled water as the extracting agent, with the solid-liquid ratio 1∶15(g/mL)was treated , ultrasonated at 65 ℃ for 20 min, for 4 times. Thus the extracting rate of the polysaccharide from Ardisia mamillata was (3.42±0.28) mg/g. Moreover, it was also found that the polysaccharide form Ardisia mamillata possessed good antioxidant activity. It was tested that the polysaccharide …


Physicochemical, Functional, And Sensory Properties Of Yogurts Containing Persimmon, Seher Arslan, Selma Bayrakci Jan 2016

Physicochemical, Functional, And Sensory Properties Of Yogurts Containing Persimmon, Seher Arslan, Selma Bayrakci

Turkish Journal of Agriculture and Forestry

This study investigated the effects of various concentrations (10% and 12%, w/w) of persimmon marmalade and puree used in yogurt production. The antioxidant capacity, composition, and physicochemical and sensory properties of yogurts were established during the storage period. The titratable acidity contents and pH values of the samples changed slowly throughout the storage period. Yogurts made from persimmon marmalade had higher a and b values than did other yogurts. Yogurt containing 12% persimmon marmalade received the highest sensory analysis values. The dry matter contents of the samples fluctuated between 16.67% and 21.54% throughout the storage period. The highest viscosity and …


Foliar Spray Of Selected Plant Growth Regulators Affected The Biochemical And Antioxidant Attributes Of Spinach In A Field Experiment, Maryam Aslam, Bushra Sultana, Farooq Anwar, Hassan Munir Jan 2016

Foliar Spray Of Selected Plant Growth Regulators Affected The Biochemical And Antioxidant Attributes Of Spinach In A Field Experiment, Maryam Aslam, Bushra Sultana, Farooq Anwar, Hassan Munir

Turkish Journal of Agriculture and Forestry

This study explored the effects of foliar spray of selected plant growth regulators (PGRs) on the biochemical and phenolic antioxidant attributes of spinach (Spinacia oleracea) leaves. Following foliar spray at three growth stages (40, 50, and 60 days) with selected PGRs, namely humic acid (HA), Moringa oleifera leaf extract (MOLE), and 6-benzylamino purine (6-BAP), and their mixed form, the samples of spinach leaves were harvested. The analysis of foliar-treated leaves revealed the content of proline, malondialdehyde (MDA), total soluble proteins (TSPs), total chlorophyll, and total carotenoids to be 22.45-72.32 μg/g FW, 2.41-29.13 ng/g FW, 3.21-22.45 μg/g FW, 4.173-19.700 mg/g FW, …