نتایج جستجو برای: total phenol content

تعداد نتایج: 1175105  

Journal: :ITEPA : Jurnal Ilmu dan Teknologi Pangan 2021


 The purpose of this study were to determine the effect leaf maturity on characteristics matcha herbal tea tenggulun and right level which can produce with best characteristics. This used a completely randomized design (CRD) with, namely very young, little old leaves. parameters observed in included moisture content, ash crude fiber tannin total phenol, flavonoids, antioxidant activity, c...

Epilobium minutiflorum belongs to the genus Epilobium with important medicinal properties. In this study, the natural variation of phytochemical compounds of E. minutiflorum at different altitudes has been investigated. Aerial parts of plants were collected at flowering stage from natural habitats at different altitudes of 2387, 2569 and 2813 masl. The plant extracts were obtained with 80% meth...

2012
Jean de Dieu Tamokou Deke James Simo Mpetga Paul Keilah Lunga Mathieu Tene Pierre Tane Jules Roger Kuiate

BACKGROUND Albizia adianthifolia is used traditionally in Cameroon to treat several ailments, including infectious and associated diseases. This work was therefore designed to investigate the antioxidant and antimicrobial activities of ethyl acetate extract, fractions and compounds isolated from the stem bark of this plant. METHODS The plant extract was prepared by maceration in ethyl acetate...

2012
Suriah Anggraeni Endang Prangdimurti

Diabetes is a chronic disease that occurs either when the pancreas does not produce enough insulin or when the body cannot effectively use the insulin. Natural alpha amylase and alpha glucosidase inhibitors from food-grade plants offer an attractive strategy to eather manage or prevent type 2 diabetes by controlling of starch breakdown and intestinal glucose absorption. Black tea is the second ...

2017
Akash Ved Amresh Gupta Ajay Kumar Singh Rawat

BACKGROUND Juniperus communis Linn. is an important plant in India traditional system of medicine which is widely used by different tribes in many countries. OBJECTIVE In the present study, the antioxidant, cytotoxic and hepatoprotective activities of Juniperus communis leaves were investigated against various models. MATERIALS AND METHODS ethanolic extract (70% v/v) of J. communis leaves w...

Ali Asghar Hatamnia Hatamnia Khoshnood Nourollahi Parviz Malekzadeh,

The objective of this study was to evaluate total phenolic content and antioxidant activity of leaf and different parts of fruit (hull, shell, and kernel) of Bene in Ilam province. Total phenolic content was determined with the Folin- Ciocalteu Reagent (FCR); antioxidant activity of methanolic extracts were examined by DPPH (2,2diphenyl- 1- picrylhydrazyl), FRAP (ferric reducing antioxidant pow...

M. M. Diband Khosravi and M. Abdollahiy,

Reductive leaching was used to dissolve metals, especially cobalt, present in Fars Tidar mine,. In this paper, cobalt ore was leached with sulphuric acid in the presence of phenol to determine the effects of various factors on leaching. These factors included temperature, acid concentration, time, phenol content, pulp density, and interaction between some of the parameters. The results indicate...

M. M. Diband Khosravi and M. Abdollahiy,

Reductive leaching was used to dissolve metals, especially cobalt, present in Fars Tidar mine,. In this paper, cobalt ore was leached with sulphuric acid in the presence of phenol to determine the effects of various factors on leaching. These factors included temperature, acid concentration, time, phenol content, pulp density, and interaction between some of the parameters. The results indicate...

2017
Michelina Catauro Severina Pacifico

Natural phenol compounds are gaining a great deal of attention because of their potential use as prophylactic and therapeutic agents in many diseases, as well as in applied science for their preventing role in oxidation deterioration. With the aim to synthetize new phenol-based materials, the sol-gel method was used to embed different content of the phenolic antioxidant chlorogenic acid (CGA) w...

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