Proximate and Elemental Analysis of African Star Apple (Chrysophyllum albidum)

Ibrahim, H.; Haruna, Ahmed Osumanu; Abdullahi, N.

doi:10.4314/jasem.v25i2.18

Cited by 3 publications

(1 citation statement)

References 5 publications

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“…Chrysophyllum albidum (G. Don) is a multi-purpose indigenous tropical forest fruit tree, belongs to the family Sapotaceae. It is recognized by farmers in the South East Nigeria where the trees are grown for its high content of ascorbic acid, irons and other minerals and vitamins (Ogunlade and Oluwafemi, 2021;Ibrahim et al, 2021). The tree has an antimicrobial effect.…”

Section: Introductionmentioning

confidence: 99%

Effect of bioregulator on germination and early seedling growth of African star apple (<i>Chrysophyllum albidum</i> G. Don)

Njoku

2023

J. Agr. Food Sci.

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An experiment was conducted at Imo State University farm, Owerri to evaluate the effect of bioregulator on germination and early seedling growth of African star apple which serves as fruit, food, feed and environmental pollution control against climate change. Completely Randomized Design was used with four treatments and sixteen replicates. Different levels of coconut water served as treatments; 0 cl, 5 cl, 10 cl and 15 cl. They were sown after soaking in the solution for 24 hours in 64 polythene bags each containing 6 kg top soil. Data on germination and early seedling growth parameters were collected. Seedling height, number of leaves and leaf area were also collected 10 weeks after germination. Results showed that the highest germination percentage of 91 %, significantly (P<0.05) different from control was obtained from the solution containing 15 cl coconut water. Highest number of days to 50% germination was 56 days obtained from solution containing 0 cl coconut water and differed significantly (P<0.05) from others. Solution containing 15 cl, 10 cl, and 5 cl coconut water gave the largest mean seedling leaf area of 56.70 cm2, 32.99 cm2, and 26.38 cm2 respectively significantly (P<0.05) different from control at 10 weeks after planting. 15 cl coconut water gave the best result for germination and seedling growth of African star apple seed and therefore recommended.

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Section: Introductionmentioning

confidence: 99%

Effect of bioregulator on germination and early seedling growth of African star apple (<i>Chrysophyllum albidum</i> G. Don)

Njoku

2023

J. Agr. Food Sci.

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Antioxidant and physicochemical properties of Chrysophyllum albidum fruit at different ripening stages

Kpodo¹,

Darko²,

Essuman³

et al. 2021

AJFAND

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Chrysophyllum albidum (African Star Apple) fruit is an indigenous African fruit. The African Star Apple plant popularly referred to as the “alasa” tree grows widely in tropical Africa. Ripening influences biochemical processes and subsequently affects the nutritional and bioactive characteristics of the fruits. This study sampled Chrysophyllum albidum fruit of three maturity stages and determined the colour, proximate, total phenol and antioxidant characteristics of the fruits. Spectrophotometric methods were used in the determination of total antioxidant activity using 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, 2,2-azinobis,3-ethylbenzothiazoline-6-sulfonic acid (ABTS) and Ferric reducing ability of plasma (FRAP) assay. Significant differences (p<0.05) were observed in the colour of the fruit across all the ripening stages. The ripe stage of the fruit recorded the highest extent of lightness among all the other ripening stages. Both the ripe and over-ripe fruits appeared reddish in colour with the ripe fruit demonstrating a higher red intensity than the over-ripe fruit. The calculated metric chroma of the Chrysophyllum albidum fruits were in the range of 2.33-21.67 for the three ripening stages. Hue angle values recorded were in the range 46.46-92.00. Browning and colour indices for fruits of all the stages of development were of range 6.40-80.30 and -14.30-16.96, respectively. Proximate analysis of the three fruit categories showed that the unripe fruits had higher carbohydrate (69.27 %), crude protein (8.17 %), and crude fat (7.99 %) content relative to fruits which were ripe and over-ripe. The over-ripe fruit had higher crude fibre (7.36 %) and ash (3.86 %) content. Total phenolic content for the unripe fruit (20μg GAE/mg) was also higher than fruits of the other ripening stages. The antioxidant ability of the Chrysophyllum albidum fruit showed that the unripe stage recorded the highest DPPH (29.24 %) and ABTS (99.09 %) radical scavenging activity. The ferric reducing antioxidant potential of the fruit at different ripening stages was significantly different (p<0.05) with the unripe stage recording the highest potential. The unripe fruits demonstrated higher proximate and antioxidant composition than the ripe and over-ripe fruits. Extracts from the unripe fruit can serve as useful nutraceuticals in functional food formulations.

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Comparative Assay of the Nutritional Composition and Antioxidant Effect of the Cotyledon and Pulp of Chrysophyllum albidum fruit

Ezeobi

I.O.Igwilo

Ogbodo

et al. 2021

IJBcRR

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Background: Chrysophyllum albidum has been widely consumed for its flesh part as a fruit snack and source of vitamins but also grossly under-utilized because of dearth of knowledge on nutritional and therapeutic potencies of other fruit parts. This study thus aimed to comparatively determine the nutritional, phytochemical and in vitro antioxidant properties of the flesh and cotyledon of C. albidum. Methods: Proximate and phytochemical contents were determined according to the methods of Association of Official Analytical Chemists (2000). Mineral concentrations were evaluated using Atom Analyzer according to the protocols of AOAC (2000). Antioxidant properties were assayed through the 2,2-diphenyl-1-picryl hydrazyl radical scavenging, reducing power and lipid peroxidation abilities according to the methods of Barros et al (2007). Results: Findings indicated a higher percentage contents of ash (3.83 ± 0.38), moisture (13.86 ± 0.84), crude fiber (11.07 ± 2.72) and crude protein (7.44 ± 0.44) in the flesh than the cotyledon of C. albidum, which were insignificantly different (p > 0.05). On the other hand, crude fat (13.80 ± 2.60) and total carbohydrate (64.96 ± 2.77) were found to be more in the cotyledon than the flesh but also not significantly different (p > 0.05). The mineral analysis revealed a higher but insignificantly different (p > 0.05) concentrations of iron (2.31 ± 0.22), copper (1.23 ± 0.09), zinc (2.94 ± 0.12) and potassium (1.48 ± 0.09) in the flesh than the cotyledon whereas cobalt (3.09 ± 0.92), magnesium (21.13 ± 0.58), sodium (16.27 ± 0.62) and selenium (4.24 ± 0.28) were more in the cotyledon than the flesh although insignificantly different (p > 0.05). While the flesh was observed to significantly contain high total phenol values, the cotyledon showed more significant mean values for tannin, oxalate, saponin and β-carotene than the flesh. The in vitro DPPH free radical scavenging and lipid peroxidation inhibition findings indicated higher antioxidant activities in the flesh than in the seed. Conclusion: Conclusively, the flesh and seed fruit parts of C. albidum showed considerable and significant amounts of the parameters under study, which can be further exploited for their nutritional and pharmacological essence.

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Proximate and Elemental Analysis of African Star Apple (Chrysophyllum albidum)

Cited by 3 publications

References 5 publications

Effect of bioregulator on germination and early seedling growth of African star apple (<i>Chrysophyllum albidum</i> G. Don)

Effect of bioregulator on germination and early seedling growth of African star apple (<i>Chrysophyllum albidum</i> G. Don)

Antioxidant and physicochemical properties of Chrysophyllum albidum fruit at different ripening stages

Comparative Assay of the Nutritional Composition and Antioxidant Effect of the Cotyledon and Pulp of Chrysophyllum albidum fruit

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