Amino Acid Profile and Micronutrient Composition of the African Pear (Dacryodes edulis) Pulp

Onuegbu, N. C.; Adedokun, I.I.; Kabuo, N. O.; Nwosu, J. N.

doi:10.3923/pjn.2011.555.557

Cited by 11 publications

(10 citation statements)

References 2 publications

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“…Glutamic acid acts as a fuel for the brain, helps to recover body′s physiological imbalances and is also a good neurotransmitter [13]. The amount of alanine found in this study was lower than that of African pear pulp (4.04 g/100 g) reported by Onuegbu et al [14]. Arginine was detected in all the five fruits.…”

Section: Resultscontrasting

confidence: 70%

“…Threonine content of bayberry kernel reported by Cheng et al [16] was found in the range of 3.10-3.22 g/ 100 g. Threonine can be used for various nervous system disorders including multiple sclerosis, spinal spasticity, amyotrophic lateral sclerosis and familial spastic paraparesis [12]. Methionine content of the fruits (0.249-0.426 %) was found lower than African pear pulp (0.81 g/100 g) reported by Onuegbu et al [14]. Methionine acts as an antioxidant [4].…”

Section: Resultsmentioning

confidence: 85%

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Amino Acid Composition of Five Wild Edible Fruits of Assam, North-East India

2019

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In this study, amino acids profiles of 5 wild edible fruits viz. Grewia sapida, Ottelia alismoides, Aporosa dioica, Antidesma bunius and Eugenia operculata found in Assam of North-East India were investigated by RP-HPLC equipped with C18 column. A total of 17 amino acids in varying compositions were identified and 8 of these are essential amino acids and 9 of these are non-essential amino acids. In all of the 5 wild fruits, 6 different amino acids were identified and these were aspartic acid (1.151-3.837 %), glutamic acid (2.283-9.667 %), arginine (0.904-7.187 %), valine (0.142-1.029 %), leucine (1.849-19.665 %), and histidine (0.467-12.986 %). A. bunius fruit showed the highest non-essential amino acid content whereas O. alismoides fruit displayed the highest essential amino acid content. Leucine was found to be the most abundant essential amino acid whereas glutamic acid was detected to be the most abundant non-essential amino acid.

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Section: Resultscontrasting

confidence: 70%

Section: Resultsmentioning

confidence: 85%

Amino Acid Composition of Five Wild Edible Fruits of Assam, North-East India

2019

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“…All the essential amino acids were detected in the test sample ( Table 2). The chemical scores for the essential amino acids calculated from the WHO reference protein (Ihekoronye and Ngoddy 1985;Onuegbu et al 2011) are also shown in Table 2. The highest value was from leucine (2.35 g/100 g protein) with chemical score of 55.95%, followed by Lysine (1.60 g/100 g protein, chemical score of 38.10%), and the lowest from methionine (0.31 g/100 g protein) with chemical score of 14.09%.…”

Section: Resultsmentioning

confidence: 99%

Amino acid profile and oxidizable vitamin content of Synsepalum dulcificum berry (miracle fruit) pulp

Njoku

Ubbaonu

Alagbaoso

et al. 2015

Food Science & Nutrition

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The amino acid profile of the Synsepalum dulcificum berry was studied. Among the essential amino acid observed, leucine (2.35 g/100 g protein) was the highest while methionine (0.31 g/100 g protein) was the lowest. The nonessential amino acids were also discovered, with glutamic acid (3.43 g/100 g protein) being the highest and glycine (0.38 g/100 g protein), the lowest. The study of the oxidizable vitamins revealed that vitamin C (1.33 mg/100 g) was more abundant than vitamin A (2.54 µg) and vitamin E (0.78 mg/100 g). This information will hopefully enhance the fruits acceptability by more people and thus, generally promote its utilization and appreciation in our diets.

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“…In addition, it promotes vitality and alertness, reduces pain, and regulates human mood. This acid is also used in the treatment of depression, migraine, painful menstruation, and Parkinson's disease [35,36]. The amino acids profile plays an important role in chemical properties, so it is useful information for further research.…”

Section: Discussionmentioning

confidence: 99%

Study of Epilobium angustifolium L. amino acids content by HPLC method

Feshchenko

Олещук

Slobodianiuk

et al. 2021

SR: PS

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The use of plant raw materials is one of the areas of modern pharmaceutical science in the production of herbal drugs. The genus Epilobium counts more than 200 species, many species of which are used in traditional medicine. Among the Epilobium species, Epilobium angustifolium is one of the well-known medicinal plants which have been used worldwide in habitual medicine. There is insufficient information in the literature on the biologically active substances of Epilobium angustifolium L. The presence of three major polyphenol groups: phenolic acids, flavonoids, and ellagitannins were identified in E. angustifolium extracts. Traditionally, the infusion of leaves of this plant could be useful for headaches, cold and gastrointestinal disorder. The Epilobium angustifolium L. as an insufficiently studied plant is a promising object of study, including amino acids composition. To assess the relationship between the production of primary metabolites and their possible therapeutic properties, we analyzed the amino acid profile of the plant Epilobium angustifolium used in traditional medicine. The study of compounds generated by plants as a result of defense mechanisms permits an understanding of the molecular mechanism involved in their medicinal properties. The aim. Thus, the aim of the study was to conduct an HPLC analysis of the amino acids of E. angustifolium to establish the prospects for the use of the raw materials in medical and pharmaceutical practice. The results of the current study will be used in further breeding programs aimed to obtain an industrial form of E. angustifolium suitable for pharmaceutical and food applications. Materials and methods. The determination of amino acids composition of Epilobium angustifolium was conducted using Agilent 1200 (Agilent Technologies, USA). Results. The HPLC method identified sixteen free amino acids and seventeen bound amino acids in the Epilobium angustifolium herb. The studies have shown that Epilobium angustifolium L. herb is mainly composed of free amino acids such as L-phenylalanine (1.65 µg/mg), L-glutamic acid (1.51 µg/mg), L-arginine (1.24 µg/mg), L-alanine (0.98 µg/mg) and L-aspartic acid (0.57 µg/mg), which were presents in the greatest amount. The dominant bound amino acids in the studied raw material were L-glutamic acid, L-aspartic acid, L-leucine, and L-alanine, the content of which was 32.37 µg/mg, 10.59 µg/mg, 8.70 µg/mg, and 6.22 µg/mg respectively. Conclusions. Using the HPLC method determined the amino acids in the herb of Epilobium angustifolium L. The concentrations of L-aspartic acid, L-glutamic acid, L-arginine, L-alanine and L-phenylalanine are predominate among free and bound amino acids in the Epilobium angustifolium L. herb. The result shows that Epilobium angustifolium L. is the source of amino acids, so the use of this plant raw material for new remedies is possible in the future

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Amino Acid Profile and Micronutrient Composition of the African Pear (Dacryodes edulis) Pulp

Cited by 11 publications

References 2 publications

Amino Acid Composition of Five Wild Edible Fruits of Assam, North-East India

Amino Acid Composition of Five Wild Edible Fruits of Assam, North-East India

Amino acid profile and oxidizable vitamin content of Synsepalum dulcificum berry (miracle fruit) pulp

Study of Epilobium angustifolium L. amino acids content by HPLC method

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