In vitro biological activities of aqueous extracts of Tetrapleura tetraptera (Schumach. & Thonn.) taub. and Aframomum citratum (C. Pereira) K.Schum from three Agroecologic Zones in Cameroon

Objective: To investigate some phytochemical constituents and biological activities of twelve samples of Tetrapleura tetraptera (Schumach & Thonn.) taub. and nine samples of Aframomum citratum (C. Pereira) K. Schum fruits collected in the bimodal forest zone (ZONE V), the unimodal forest zone (Z...

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Published in:Asian Pacific journal of tropical medicine 2020, Vol.13 (2), p.71-80
Main Authors: Manga, Eyenga, Fauconnier, Marie, Ngondi, Judith, Ngando, Akoumou, Sindic, Marianne
Format: Article
Language:English
Subjects:
Agriculture & agronomie
Agriculture & agronomy
Agroecologic zone
anti-inflammatory
antioxidant
Biological activities
biological activities
non-timber forest products
antioxidant
anti-inflammatory
agro-ecologic zone
protein denaturation
Biologie végétale (sciences végétales, sylviculture, mycologie...)
Chemistry
Chimie
Life sciences
Non-Timber Forest Products
Physical, chemical, mathematical & earth Sciences
Physique, chimie, mathématiques & sciences de la terre
Phytobiology (plant sciences, forestry, mycology...)
protein denaturation
Sciences du vivant
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Summary:Objective: To investigate some phytochemical constituents and biological activities of twelve samples of Tetrapleura tetraptera (Schumach & Thonn.) taub. and nine samples of Aframomum citratum (C. Pereira) K. Schum fruits collected in the bimodal forest zone (ZONE V), the unimodal forest zone (ZONE IV) and the highlands zone (ZONE III) in Cameroon. Methods: Fresh fruits extracts were obtained by aqueous infusion (100 °C during 15 min) and evaluated by spectrophotometric methods for total polyphenol (TPP), total flavonoids (TFLV) contents and antioxidant (DPPH, total antioxidant capacity by the phosphomolybdenum method, iron reducing power or ferric reducing antioxidant power and inhibition of beta carotene discoloration assays) and anti-inflammatory (inhibitions of protein denaturation and 5-LOX represented by INH.PROT and INH.5- LOX respectively) properties. Principal component analysis was performed. Results: For both species, fruits from ZONE V have the highest TPP, TFLV levels and biological activities. TPP and TFLV content of Aframomum citratum and Tetrapleura tetraptera fruits are positively and significantly (P
ISSN:1995-7645
2352-4146
2352-4146
DOI:10.4103/1995-7645.275415