Cited by 66Seaweed-derived Bioactive CompoundsFood and Agricultural SciencesNatural Antidiabetic Agents Studies

Bioprospecting cultivated tropical green algae, Caulerpa racemosa (Forsskal) J. Agardh: a perspective on nutritional properties, antioxidative capacity and anti-diabetic potential

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Qudus B Aroyehun, Abdul, Abdul Razak, Shariza, Palaniveloo, Kishneth, Nagappan, Thilahgavani, Suraiza Nabila Rahmah, Nur, Wee Jin, Gan, Chellappan, Dinesh Kumar, Chellian, Jestin, Kunnath, Anil Philip·2020·Foods

Abstract

Caulerpa racemosa (Forsskal) J. Agardh is a green seaweed used as food and folk medicine since ancient times in the Indo-Pacific region, particularly in southeast Asia. In this study, the proximate nutrient composition, phytochemical, anti-oxidant and anti-diabetic properties of sea grape C. racemosa collected from culture fishponds in Johor, Malaysia were analysed. The contents (dry weight basis) of carbohydrate, crude protein, crude lipids, ash and caloric value obtained were 33.42 ± 1.34%, 20.27 ± 0.14%, 4.20 ± 0.32%, 28.25 ± 0.27% and 2544.67 ± 7.04 cal g−1, respectively. The amino acid score (AAs) and biological protein value (213.43 mg g−1) indicated that C. racemosa presented a better protein quality. The most abundant fatty acids were C16:0 (palmitic acid: 63.27%), followed by C18:1 (oleic acid: 5.80%), and C18:2 ῳ6 (linoleic acid: 5.33%). The analysis of the ash content indicated that essential minerals and trace elements, such as Ca, Fe, and Mn, were present in the seaweed. The total phenolic content (TPC) and total flavonoid content (TFC) observed in the ethyl acetate extract were 17.88 ± 0.78 mg GAE g−1 and 59.43 ± 2.45 mg QE g−1, respectively. The ethyl acetate extract of C. racemosa demonstrated notable anti-diabetic activity in diabetic induced rats. The low (100 mg kg−1) and high (200 mg kg−1) doses of cultivated C. racemosa extract exhibited a significant decrease (p < 0.05) in blood glucose levels while preventing weight loss, reducing plasma AST, ALT levels as a sign of hepatoprotective effect and recording albumin levels similar to positive control in diabetic induced rats. The results support the usefulness of cultivated C. racemosa as a potential functional food.

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  1. [10]Phang S.M. Critchley A.T. Ang P.O. Advances in seaweed cultivation and utilisation in Asia Proceedings from Asian Fisheries Forum 2004: Penang, Malaysia Phang S.M. Critchley A.T. Ang P.O. Jr. University of Malaya Press Kuala Lumpur, Malaysia 2006 177
  2. [60]Stipanuk M.H. Caudill M.A. Biochemical, Physiological, and Molecular Aspects of Human Nutrition Stipanuk M.H. Caudill M.A. Elsevier–Health Sciences St. Louis, MO, USA 2013 968

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Authors
Qudus B Aroyehun, A., Abdul Razak, S., Palaniveloo, K., Nagappan, T., Suraiza Nabila Rahmah, N., Wee Jin, G., Chellappan, D. K., Chellian, J., & Kunnath, A. P.
Affiliations
  • Nutrition and Dietetics Program, School of Health Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
  • University of Malaya (MY)
  • Universiti Malaysia Terengganu (MY)
  • School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia
  • IMU University (MY)
Corresponding author
  • Palaniveloo, Kishneth
  • Nagappan, Thilahgavani
Venue
Foods
Publisher
MDPI AG
Published
2020-09-18
Volume
9
Issue
9
Pages
1313
ISSN
2304-8158 (ISSN-L)
OpenAlex
W3087478219
Cited by
66
References
78
Citations by year
2026: 9 · 2025: 8 · 2024: 12 · 2023: 15 · 2022: 12 · 2021: 10
FWCI
6.68
Type
journal article
Language
en
Open access
Locations
  • Foods (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Greater South Information System
Funders
  • University Sains Malaysia (School of Health Sciences Research Incentive Grant)
  • International Medical University (BP I-01-2019(35))
Topics
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Seaweed-derived Bioactive Compounds
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Food and Agricultural Sciences
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Natural Antidiabetic Agents Studies
Keywords
Caulerpa racemosa, sea grapes, proximate composition, amino acid composition, fatty acid composition, mineral content, total phenolic content, total flavonoid content, antioxidant activity, antidiabetic activity, blood glucose, hepatoprotection, functional foods, bioprospecting, Johor

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