Tobacco (Nicotiana tabacum) is an herbaceous plant originating from South America and
processed into cigarettes for consumption. Polyphenols are considered vital components of …

The flavonoid-rich natural products exert a wide range of pharmacological properties. This
investigation aimed at obtaining extracts from tobacco cultivars and waste enriched with …

Crude polyphenols were extracted from tobacco leaf by 80% ethanol solution with ultrasonic
treatment and then purified by a macroporous resin. The polyphenols from tobacco leaf …

In the present study, antioxidant properties of flavonoids and polysaccharides from tobacco
(Nicotiana tabacum L.) leaves were evaluated in several in vitro systems, eg, scavenging …

Nicotiana tabacum L.(tobacco) is an important and valuable crop for the cigarette industry.
However, cigarette cessation has been encouraged worldwide. Therefore, this study aimed …

The aim of this work was to determine the concentration of polyphenols, organic acids in
tobacco of different areas, grades and varieties by ultra-performance liquid chromatography …

Tobacco cultivation is characterized by high amounts of waste biomasses whose disposal
frequently represents a complex and expensive problem. A study was conducted to evaluate …

This study aimed to systematically assess the phenolic profiles and antioxidant capacities of
21 chestnut samples collected from six geographical areas of China. All these samples …

Turnera subulata is a medicinal plant used as an herbal remedy for coughs and bronchitis.
Unlike two other members of the genus, Turnera diffusa and Turnera ulmifolia, which …

Black and red rice are flavonoid-rich and nutritious. However, comprehensive information of
flavonoid components in different pigmented rice varieties remain unclear. Here, we analyze …