Composition and functional properties of unprocessed and locally processed seeds from three underutilized food sources in Nigeria

Giami, Sunday Y.; Wachuku, O. C.

doi:10.1007/bf02436040

Cited by 24 publications

(18 citation statements)

References 22 publications

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“…Dieticians dealing with these African communities in other continents are facing, as well as their colleagues in Africa, the difficulty of working with limited scientific evidence about glycaemic indices of traditional foods. Composition of African foods has, however, been more extensively studied (Herzog et al, 1993;Achinewhu et al, 1995;Hudson, 1995;Sharma et al, 1996;Giami & Wachuku, 1997).…”

Section: Discussionmentioning

confidence: 99%

Metabolic and hormonal effects of five common African diets eaten as mixed meals: the Cameroon Study

et al. 2003

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Objective: To evaluate glycaemic and insulinaemic index and in vitro digestibility of the five most common Cameroonian mixed meals consisting of rice þ tomato soup (diet A), bean stew þ plantains (B), foofoo corn þ ndolé (C), yams þ groundnut soup (D), and koki beans þ cassava (E). Subjects: Ten healthy non-obese volunteers, aged 19 -31 y, with no family history of diabetes or hypertension. Interventions: A 75 g oral glucose tolerance test followed by the eating of the test diets with carbohydrate content standardized to 75 g every 4 days with blood samples taken at 0, 15, 30, 60, 120 and 180 min. In vitro digestion of each diet according to Brand's protocol. Main outcome measures: Plasma glucose, cholesterol, triglyceride, insulin and C-peptide, with calculation of glycaemic and insulinaemic index defined as the area under the glucose and insulin response curve after consumption of a test food divided by the area under the curve after consumption of a control food containing the same amount of carbohydrate, and digestibility index. Results: Glycaemic index (GI) varied from 34.1 (diet C) to 52.0% (diet E) with no statistical difference between the diets, and insulinaemic index varied significantly from 40.2% (C) to 70.9% (A) (P ¼ 0.03). The digestibility index varied from 18.9 (C) to 60.8% (A) (P < 0.0001), and did not correlate with glycaemic or insulinaemic indices. However, carbohydrate content correlated with GI (r ¼ 0.83; P ¼ 0.04), digestibility index (r ¼ À0.70; P < 0.01), and insulinaemic index (r ¼ 0.91; P < 0.01). Plasma C-peptide and plasma lipids showed little difference over 180 min following the ingestion of each meal. Conclusions: Glycaemic index of these African mixed meals are relatively low and might not be predicted by in vitro digestibility index.

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Section: Discussionmentioning

confidence: 99%

Metabolic and hormonal effects of five common African diets eaten as mixed meals: the Cameroon Study

et al. 2003

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“…With its abundantly found and underutilized seeds in Nigeria, B. eurycoma (Fabaceae) holds a prominent position with potential uses as food. This plant is locally known as “Achi” and is a huge tree with twisted, spreading branches, the bark often exuding buttery gum, and it is common in forests from south of Nigeria to Cameroon (Keay 1989; Giami and Wachuku 1997). Reports available on the composition and nutritional value of this seed are very scarce.…”

Section: Nutritional Features Of Some Reported Wild Legumesmentioning

confidence: 99%

“…Giami and Wachuku (1997) reported on the chemical and functional properties of unprocessed (raw) and locally processed seeds of B. eurycoma . Seeds of this legume were subjected to local processing methods, which included roasting (160 °C for 8 min.)…”

Section: Nutritional Features Of Some Reported Wild Legumesmentioning

confidence: 99%

Exploring the Nutritional Potential of Wild and Underutilized Legumes

Bhat¹,

Karim²

2009

Comp Rev Food Sci Food Safe

154

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Providing safe, nutritious, and wholesome food for poor and undernourished populations has been a major challenge for the developing world. Acute shortage, unreliable supply, and elevated costs of protein-rich foods of animal origin in the developing and underdeveloped countries have resulted in the search for inexpensive and reliable alternative sources of protein of plant origin. Some of the wild and underutilized legumes (such as Canavalia, Mucuna, and Sesbania, for example) have been investigated and found to possess rich nutraceutical value. However, the greatest impediment to utilizing these legumes is the presence of antinutrients, which could be successfully removed or deactivated by employing certain processing methods (cooking, dry heat treatments, germination, irradiation, among others). This review focuses on providing the details on some of the wild and underutilized legumes that might have high potential to be used as human food and animal feed, along with providing information for overcoming the malnutrition-associated problems and also for future commercial exploitation such as a source of nutraceuticals, for new food formulations, biofortification, and in product development.

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“…In Nigeria, it is called 'ukpo' by the Ibos, 'karasuu' by the Hausas, 'yerepe' by the Yorubas (Nwosu, 2011,) and 'ibabat' by the Efiks (Obochi et al, 2007). The constituents of M. sloanei include crude proteins, carbohydrates, fat, crude fibers, moisture, ash, phosphorus, magnesium, calcium, sodium, iron, manganese, copper, tannins, glycosides, L-Dopa and zinc (Nwosu, 2011;Giami and Wachuku, 1997;Akpata and Miachi, 2001;Ijeh et al, 2004;Tuleun et al, 2008). The seeds are highly resistant to disease and pest and exhibit good nutritional *Corresponding author.…”

Section: Introductionmentioning

confidence: 99%

Effects of methanoic seed extracts of Mucuna sloanei on male sex hormones and sperm quality in rats

Egwurugwu¹

2012

J. Med. Plants Res.

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This work was done to investigate the effects of methanoic seed extract of Mucuna sloanei on male sex hormones and semen quality on albino wistar rats. Thirty two male albino wistar rats weighing between 115 to 230 g were used, they were grouped into 4 of 8 rats each. Group i (control) received distilled water and normal rat chow. While test groups ii, iii, and iv received 100, 200 and 400 mg of the extract per kilogram body weight respectively for 30 days. Blood samples were collected from four animals per group and assayed for the following sex hormones: Lutuenizing hormone (LH), Prolactin (PLT), oestrogen, Progesterone and testosterone. Semen from the epididymis was analyzed for sperm count, sperm motility and morphology. Results showed statistically significant increase in the serum levels of testosterone and LH in test groups when compared with the control (p < 0.05). The result also showed a dose dependent increase in sperm count in the test groups when compared with the control (p < 0.05). In conclusion, methanoic seed extract of m. sloanei has significant positive effects on some male sex hormones and sperm count.

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Composition and functional properties of unprocessed and locally processed seeds from three underutilized food sources in Nigeria

Cited by 24 publications

References 22 publications

Metabolic and hormonal effects of five common African diets eaten as mixed meals: the Cameroon Study

Metabolic and hormonal effects of five common African diets eaten as mixed meals: the Cameroon Study

Exploring the Nutritional Potential of Wild and Underutilized Legumes

Effects of methanoic seed extracts of Mucuna sloanei on male sex hormones and sperm quality in rats

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