The Extraction Technology of Flavonoids from Buckwheat

Wang, L; X, Bai

doi:10.4172/2168-9881.1000164

Agrotechnology

2017

DOI: 10.4172/2168-9881.1000164

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The Extraction Technology of Flavonoids from Buckwheat

L Wang¹,

Bai X²

Abstract: Buckwheat (Fagopyrum esculentum) is a kind of medicinal and edible crops with high Flavonoid content. Flavonoids from tartary buckwheat have significant therapeutic effects on vascular diseases, diabetes and obesity. In this paper, the extracting technologies of flavonoids from buckwheat were investigated. The results showed that the optimum parameters for the extraction is temperature 60℃, alcohol concentration 60%, solid to liquid ratio 1:20, pH=2, duration 120 min.

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Phenolics, Antioxidant and Antibacterial Activities of Immature and Mature Blumea balsamifera Leaf Extracts Eluted with Different Solvents

Jirakitticharoen

Wisuitiprot

Jitareerat

et al. 2022

Journal of Tropical Medicine

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Blumea balsamifera (L.) DC., belonging to the Asteraceae family, also known as “ngai camphor,” is one of the traditional herbs used in Thailand for folk medicine and a component in local food and drinks. There was, however, no evidence indicating the presence of beneficial compounds at different leaf ages. Exploring various extraction solvents, we investigated the phenolics, flavonoids in particular quercetin content, antioxidant capacity, and antibacterial activity of immature and mature leaf extracts. The dried leaves were macerated in 50% ethanol, 95% ethanol, hexane, or decocted in water. Bioactive substances were analyzed by UV spectrophotometry and HPLC. Analysis of antioxidant capacity was done byDPPH, ABTS, FRAP, and NO scavenging assays. The antibacterial activity of immature leaf extract eluted with 50% ethanol was subsequentially evaluated in vitro. Extraction with 50% ethanol proved optimal, yielding 1.2–1.6-fold and 1.5-fold greater immature and mature leaf extracts than other solvents. More phenolics (1.2-fold), flavonoids (1.1-fold), quercetin content (4.8-fold), and antioxidant activity (1.3-fold) were found in the immature leaf extract. There was a significant positive correlation between antioxidant activity and bioactive compounds. The immature leaf extract eluted with 50% ethanol showed antibacterial activity against Staphylococcus aureus, with a minimum inhibitory concentration of 0.5 mg/mL. The immature leaves of B. balsamifera are a rich source of quercetin and phenolics, and 50% ethanol proved optimal for extracting bioactive components from these leaves.

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Phenolics, Antioxidant and Antibacterial Activities of Immature and Mature Blumea balsamifera Leaf Extracts Eluted with Different Solvents

Jirakitticharoen

Wisuitiprot

Jitareerat

et al. 2022

Journal of Tropical Medicine

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Traditional and medicinal use of Barbaloin: potential for the management of various diseases

Singh

Goyal²,

Sondhi

et al. 2020

joapr

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Barbaloin is the phytoconstituent which is obtained from the plant known as aloe vera. As we all know aloe vera is the main curative medicinal plants, has been traditionally used as alternative treatment against the many skin diseases. Barbaloin extracted from the aloe vera plant which is physically light yellow colored powder. Extraction of barbaloin from the plant Aloe barbadensis Miller had been accomplished by the Soxhelt extraction, Batch extraction experiment and Ultrasound assisted extraction method (UAE). Barbaloin showed various kinds of therapeutic and medicinal properties like anti-diabetic, antioxidants, anti-cancer, anti-inflammatory and and anti-microbial. It also has good effect on cardiovascular system, test perception, enzyme or metabolism and bioavailability. Our Skin plays an important role in the development of skin diseases because there are many types of skin disorders are developed and the variety of disorders may result to dermatitis or they affect the social wellbeing of a person. Due to their good pharmacological activities, Barbaloin have great potential to treat the different type of skin disorders like Eczema, Psoriasis, Burns and wound, Acne, Dandruff, Frostbite, Rashes, Cold sores, Razor burn and Sunburn. To access the effective use of barbaloin there are various attempts have been experimented on the subject of their Pharmacological activities to check their effect on skin disease and the steps regarding the Isolation of barbaloin also has been made. We can examine their effects on chronic skin diseases. In this review article we discuss about the potential of barbaloin on skin disorders, medicinal importance or Pharmacological activities and their methods of extraction.

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The Extraction Technology of Flavonoids from Buckwheat

Cited by 2 publications

References 6 publications

Phenolics, Antioxidant and Antibacterial Activities of Immature and Mature Blumea balsamifera Leaf Extracts Eluted with Different Solvents

Phenolics, Antioxidant and Antibacterial Activities of Immature and Mature Blumea balsamifera Leaf Extracts Eluted with Different Solvents

Traditional and medicinal use of Barbaloin: potential for the management of various diseases

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