Nutrient and Essential Oil Compositions of <i>Heterotis rotundifolia</i> Leaves

Charity Uchechi Ogunka-Nnoka; Jane Adaeze Agwu; Felix Uchenna Igwe

doi:doi:10.11648/j.ajbio.20200802.11

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Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves

Charity Uchechi Ogunka-Nnoka, Jane Adaeze Agwu, Felix Uchenna Igwe

Published in American Journal of BioScience (Volume 8, Issue 2)

Received: 6 April 2020 Accepted: 29 April 2020 Published: 30 April 2020

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Abstract

This study evaluated the nutrient and essential oil compositions of Heterotis rotundifolia leaves. The leaves were carefully sorted and air-dried for 14 days at room temperature (20-25°C). The dried leaves were ground into powder using a grinding mill. Proximate composition, vitamins and physicochemical properties were analyzed using AOAC method while fatty acid and essential oil compositions were characterized using GC-MS. The proximate composition of the leaves showed higher carbohydrate content (80.97±0.03%) and moderate protein content (9.9±0.06%); while lipid (3.13±0.01%), fibre (1.30±0.01%), moisture (2.90±0.03%) and ash (1.89±0.02%) contents were low. Physicochemical properties of the oil revealed a high saponification value (238.43±0.84mg/KOH) and peroxide value (47.20±0.38mEq/kg). Fatty acid composition shows 83.69% saturated fatty acid with stearic acid (22.69±0.02%), myristic acid (18.54±0.01%) and palmitic acid (15.48±0.02%) as predominant fatty acids. Unsaturated fatty acid composition was 9.72% with oleic acid (9.49±0.04%) and linolenic acid (0.23±0.01%) as predominant fatty acids. Vitamin composition also revealed higher concentrations of vitamins C (695.57±0.20mg/kg), B₆ (70.33±0.88mg/kg), A (61.67±0.02mg/kg) and D (26.08±0.06mg/kg). Essential oil composition revealed a total of 24 compounds which include; long chain fatty acid, fatty acid methyl esters, hydrocarbons and alcoholic compound amongst which Neophytadiene (14.427%), n-Hexadecanoic acid (14.148%) and squalene (11.258%) were present in substantial amount. The proximate and essential oil compositions, vitamin content and physicochemical characteristics suggest that H. rotundifolia leaves have potential nutritional and medicinal value to man and animals.

Published in	American Journal of BioScience (Volume 8, Issue 2)
DOI	10.11648/j.ajbio.20200802.11
Page(s)	28-36
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Heterotis rotundifolia, Leaves, Proximate Composition, Vitamins, Fatty Acid, Essential Oils

References

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Charity Uchechi Ogunka-Nnoka, Jane Adaeze Agwu, Felix Uchenna Igwe. (2020). Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves. American Journal of BioScience, 8(2), 28-36. https://doi.org/10.11648/j.ajbio.20200802.11

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ACS Style

Charity Uchechi Ogunka-Nnoka; Jane Adaeze Agwu; Felix Uchenna Igwe. Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves. Am. J. BioScience 2020, 8(2), 28-36. doi: 10.11648/j.ajbio.20200802.11

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AMA Style

Charity Uchechi Ogunka-Nnoka, Jane Adaeze Agwu, Felix Uchenna Igwe. Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves. Am J BioScience. 2020;8(2):28-36. doi: 10.11648/j.ajbio.20200802.11

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@article{10.11648/j.ajbio.20200802.11,
  author = {Charity Uchechi Ogunka-Nnoka and Jane Adaeze Agwu and Felix Uchenna Igwe},
  title = {Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves},
  journal = {American Journal of BioScience},
  volume = {8},
  number = {2},
  pages = {28-36},
  doi = {10.11648/j.ajbio.20200802.11},
  url = {https://doi.org/10.11648/j.ajbio.20200802.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbio.20200802.11},
  abstract = {This study evaluated the nutrient and essential oil compositions of Heterotis rotundifolia leaves. The leaves were carefully sorted and air-dried for 14 days at room temperature (20-25°C). The dried leaves were ground into powder using a grinding mill. Proximate composition, vitamins and physicochemical properties were analyzed using AOAC method while fatty acid and essential oil compositions were characterized using GC-MS. The proximate composition of the leaves showed higher carbohydrate content (80.97±0.03%) and moderate protein content (9.9±0.06%); while lipid (3.13±0.01%), fibre (1.30±0.01%), moisture (2.90±0.03%) and ash (1.89±0.02%) contents were low. Physicochemical properties of the oil revealed a high saponification value (238.43±0.84mg/KOH) and peroxide value (47.20±0.38mEq/kg). Fatty acid composition shows 83.69% saturated fatty acid with stearic acid (22.69±0.02%), myristic acid (18.54±0.01%) and palmitic acid (15.48±0.02%) as predominant fatty acids. Unsaturated fatty acid composition was 9.72% with oleic acid (9.49±0.04%) and linolenic acid (0.23±0.01%) as predominant fatty acids. Vitamin composition also revealed higher concentrations of vitamins C (695.57±0.20mg/kg), B6 (70.33±0.88mg/kg), A (61.67±0.02mg/kg) and D (26.08±0.06mg/kg). Essential oil composition revealed a total of 24 compounds which include; long chain fatty acid, fatty acid methyl esters, hydrocarbons and alcoholic compound amongst which Neophytadiene (14.427%), n-Hexadecanoic acid (14.148%) and squalene (11.258%) were present in substantial amount. The proximate and essential oil compositions, vitamin content and physicochemical characteristics suggest that H. rotundifolia leaves have potential nutritional and medicinal value to man and animals.},
 year = {2020}
}

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TY  - JOUR
T1  - Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves
AU  - Charity Uchechi Ogunka-Nnoka
AU  - Jane Adaeze Agwu
AU  - Felix Uchenna Igwe
Y1  - 2020/04/30
PY  - 2020
N1  - https://doi.org/10.11648/j.ajbio.20200802.11
DO  - 10.11648/j.ajbio.20200802.11
T2  - American Journal of BioScience
JF  - American Journal of BioScience
JO  - American Journal of BioScience
SP  - 28
EP  - 36
PB  - Science Publishing Group
SN  - 2330-0167
UR  - https://doi.org/10.11648/j.ajbio.20200802.11
AB  - This study evaluated the nutrient and essential oil compositions of Heterotis rotundifolia leaves. The leaves were carefully sorted and air-dried for 14 days at room temperature (20-25°C). The dried leaves were ground into powder using a grinding mill. Proximate composition, vitamins and physicochemical properties were analyzed using AOAC method while fatty acid and essential oil compositions were characterized using GC-MS. The proximate composition of the leaves showed higher carbohydrate content (80.97±0.03%) and moderate protein content (9.9±0.06%); while lipid (3.13±0.01%), fibre (1.30±0.01%), moisture (2.90±0.03%) and ash (1.89±0.02%) contents were low. Physicochemical properties of the oil revealed a high saponification value (238.43±0.84mg/KOH) and peroxide value (47.20±0.38mEq/kg). Fatty acid composition shows 83.69% saturated fatty acid with stearic acid (22.69±0.02%), myristic acid (18.54±0.01%) and palmitic acid (15.48±0.02%) as predominant fatty acids. Unsaturated fatty acid composition was 9.72% with oleic acid (9.49±0.04%) and linolenic acid (0.23±0.01%) as predominant fatty acids. Vitamin composition also revealed higher concentrations of vitamins C (695.57±0.20mg/kg), B6 (70.33±0.88mg/kg), A (61.67±0.02mg/kg) and D (26.08±0.06mg/kg). Essential oil composition revealed a total of 24 compounds which include; long chain fatty acid, fatty acid methyl esters, hydrocarbons and alcoholic compound amongst which Neophytadiene (14.427%), n-Hexadecanoic acid (14.148%) and squalene (11.258%) were present in substantial amount. The proximate and essential oil compositions, vitamin content and physicochemical characteristics suggest that H. rotundifolia leaves have potential nutritional and medicinal value to man and animals.
VL  - 8
IS  - 2
ER  -

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Author Information

Charity Uchechi Ogunka-Nnoka

Department of Biochemistry, University of Port Harcourt, Choba, Rivers State, Nigeria
Jane Adaeze Agwu

Department of Biochemistry, University of Port Harcourt, Choba, Rivers State, Nigeria
Felix Uchenna Igwe

Department of Biochemistry, Rivers State University, Nkpolu-Oroworukwo, Port Harcourt, Rivers State, Nigeria

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APA Style

Charity Uchechi Ogunka-Nnoka, Jane Adaeze Agwu, Felix Uchenna Igwe. (2020). Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves. American Journal of BioScience, 8(2), 28-36. https://doi.org/10.11648/j.ajbio.20200802.11

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ACS Style

Charity Uchechi Ogunka-Nnoka; Jane Adaeze Agwu; Felix Uchenna Igwe. Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves. Am. J. BioScience 2020, 8(2), 28-36. doi: 10.11648/j.ajbio.20200802.11

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AMA Style

Charity Uchechi Ogunka-Nnoka, Jane Adaeze Agwu, Felix Uchenna Igwe. Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves. Am J BioScience. 2020;8(2):28-36. doi: 10.11648/j.ajbio.20200802.11

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@article{10.11648/j.ajbio.20200802.11,
  author = {Charity Uchechi Ogunka-Nnoka and Jane Adaeze Agwu and Felix Uchenna Igwe},
  title = {Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves},
  journal = {American Journal of BioScience},
  volume = {8},
  number = {2},
  pages = {28-36},
  doi = {10.11648/j.ajbio.20200802.11},
  url = {https://doi.org/10.11648/j.ajbio.20200802.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbio.20200802.11},
  abstract = {This study evaluated the nutrient and essential oil compositions of Heterotis rotundifolia leaves. The leaves were carefully sorted and air-dried for 14 days at room temperature (20-25°C). The dried leaves were ground into powder using a grinding mill. Proximate composition, vitamins and physicochemical properties were analyzed using AOAC method while fatty acid and essential oil compositions were characterized using GC-MS. The proximate composition of the leaves showed higher carbohydrate content (80.97±0.03%) and moderate protein content (9.9±0.06%); while lipid (3.13±0.01%), fibre (1.30±0.01%), moisture (2.90±0.03%) and ash (1.89±0.02%) contents were low. Physicochemical properties of the oil revealed a high saponification value (238.43±0.84mg/KOH) and peroxide value (47.20±0.38mEq/kg). Fatty acid composition shows 83.69% saturated fatty acid with stearic acid (22.69±0.02%), myristic acid (18.54±0.01%) and palmitic acid (15.48±0.02%) as predominant fatty acids. Unsaturated fatty acid composition was 9.72% with oleic acid (9.49±0.04%) and linolenic acid (0.23±0.01%) as predominant fatty acids. Vitamin composition also revealed higher concentrations of vitamins C (695.57±0.20mg/kg), B6 (70.33±0.88mg/kg), A (61.67±0.02mg/kg) and D (26.08±0.06mg/kg). Essential oil composition revealed a total of 24 compounds which include; long chain fatty acid, fatty acid methyl esters, hydrocarbons and alcoholic compound amongst which Neophytadiene (14.427%), n-Hexadecanoic acid (14.148%) and squalene (11.258%) were present in substantial amount. The proximate and essential oil compositions, vitamin content and physicochemical characteristics suggest that H. rotundifolia leaves have potential nutritional and medicinal value to man and animals.},
 year = {2020}
}

Copy | Download

TY  - JOUR
T1  - Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves
AU  - Charity Uchechi Ogunka-Nnoka
AU  - Jane Adaeze Agwu
AU  - Felix Uchenna Igwe
Y1  - 2020/04/30
PY  - 2020
N1  - https://doi.org/10.11648/j.ajbio.20200802.11
DO  - 10.11648/j.ajbio.20200802.11
T2  - American Journal of BioScience
JF  - American Journal of BioScience
JO  - American Journal of BioScience
SP  - 28
EP  - 36
PB  - Science Publishing Group
SN  - 2330-0167
UR  - https://doi.org/10.11648/j.ajbio.20200802.11
AB  - This study evaluated the nutrient and essential oil compositions of Heterotis rotundifolia leaves. The leaves were carefully sorted and air-dried for 14 days at room temperature (20-25°C). The dried leaves were ground into powder using a grinding mill. Proximate composition, vitamins and physicochemical properties were analyzed using AOAC method while fatty acid and essential oil compositions were characterized using GC-MS. The proximate composition of the leaves showed higher carbohydrate content (80.97±0.03%) and moderate protein content (9.9±0.06%); while lipid (3.13±0.01%), fibre (1.30±0.01%), moisture (2.90±0.03%) and ash (1.89±0.02%) contents were low. Physicochemical properties of the oil revealed a high saponification value (238.43±0.84mg/KOH) and peroxide value (47.20±0.38mEq/kg). Fatty acid composition shows 83.69% saturated fatty acid with stearic acid (22.69±0.02%), myristic acid (18.54±0.01%) and palmitic acid (15.48±0.02%) as predominant fatty acids. Unsaturated fatty acid composition was 9.72% with oleic acid (9.49±0.04%) and linolenic acid (0.23±0.01%) as predominant fatty acids. Vitamin composition also revealed higher concentrations of vitamins C (695.57±0.20mg/kg), B6 (70.33±0.88mg/kg), A (61.67±0.02mg/kg) and D (26.08±0.06mg/kg). Essential oil composition revealed a total of 24 compounds which include; long chain fatty acid, fatty acid methyl esters, hydrocarbons and alcoholic compound amongst which Neophytadiene (14.427%), n-Hexadecanoic acid (14.148%) and squalene (11.258%) were present in substantial amount. The proximate and essential oil compositions, vitamin content and physicochemical characteristics suggest that H. rotundifolia leaves have potential nutritional and medicinal value to man and animals.
VL  - 8
IS  - 2
ER  -

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