Karakterisasi habitat mangrove berdasarkan zonasi dan identifikasi komponen biokimia buah mangrove
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Date
2021Author
Nawar, Maulida Khairiza
Advisor(s)
Basyuni, Mohammad
Hanum, Chairani
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Maulida Khairiza Nawar. 2021. "Characterization of mangrove habitat based on
zoning and identification of biochemical components of mangrove fruit", guided by
Mohammad Basyuni and Chairani Hanum. This study aims to characterize the
mangrove habitat of each observation zone by measuring the physical and chemical
quality of the mangrove habitat and to identify the biochemical components of
mangrove fruit found in each zone, including; nutrient content, antioxidants, and
elemental analysis (micronutrients and macronutrients) in fifteen selected
mangroves A. auriculiformis, B. asiatica, C. equestifolia, H. tiliaceus, L. littorea,
L. racemosa, M candidum, M. citrifolia, N. Fruticans, P. odoratatissima, P.
pinnata, S. hydrophyllacea, S. portulacastrum, S. jamaicensis, and T. catappa in
Pulau Sembilan and Lubuk Kertang Village, Langkat Regency, North Sumatra. This
research was conducted in September 2020 – April 2021. The results of the
characterization of mangrove habitats show that each observation zone has
different physical and chemical characteristics of mangrove habitat, including
temperature, pH, salinity and dissolved oxygen (DO). Based on the analysis of the
identification of the biochemical components of mangrove fruit consisting of seven
nutritional parameters, A. auriculiformis had the highest protein content among all
species studied, then the highest fat content was P. pinnata, total sugar and nonreducing
sugar P. odoratatissima, reducing sugar. M. citrifolia, water content of
B. asiatica and proximate analysis of L. littorea. Based on antioxidant analysis, it
is known that P. odoratatissima has the highest ascorbic acid content, M candidum
has the highest beta-carotene content and B. asiatica has the highest phenolic
content. Based on macronutrient analysis, it was seen that L. racemosa had the
highest sodium content, N. fruticans the highest potassium, S. jamaicensis had the
highest calcium content. Likewise, the highest micronutrient elements among
mangroves are S. portulacastrum (iron), H. tiliaceus (manganese) and copper Maulida Khairiza Nawar. 2021. “Karakterisasi habitat mangrove
berdasarkan zonasi dan identifikasi komponen biokimia buah mangrove”,
dibimbing oleh Mohammad Basyuni dan Chairani Hanum. Penelitian ini bertujuan
untuk mengkarakteristasi habitat mangrove dari setiap zonasi pengamatan dengan
pengukuran kualitas fisik, kimia habitat mangrove dan untuk mengidentifikasi
komponen biokimia pada buah mangrove yang terdapat pada setiap zonasi antara
lain; kandungan nutrisi, antioksidan, serta analisis unsur (mikronutrien dan
makronutrien) pada lima belas buah mangrove pilihan A. auriculiformis, B.
asiatica, C. equestifolia, H. tiliaceus, L. littorea, L. racemosa, M candidum, M.
citrifolia, N. Fruticans, P. odoratatissima, P. pinnata, S. hydrophyllacea, S.
portulacastrum, S. jamaicensis, and T. catappa di Pulau Sembilan dan Desa Lubuk
Kertang, Kabupaten Langkat, Sumatera Utara. Penelitian ini dilakukan pada bulan
September 2020 – April 2021. Hasil karakterisasi habitat mangrove menunjukkan
bahwa setiap zonasi pengamatan memiliki karakteristik fisik, kimia habitat
mangrove yang berbeda, meliputi suhu, pH, salinitas dan oksigen terlarut (DO).
Berdasarkan hasil analisis indentifikasi komponen biokimia dari buah mangrove
yang terdiri dari tujuh parameter nutrisi, A. auriculiformis memiliki kandungan
protein tertinggi di antara semua spesies yang diteliti, selanjutnya kandungan lemak
tertinggi P. pinnata, gula total dan gula non reduksi P. odoratatissima, gula
pereduksi M. citrifolia, kadar air B. asiatica dan analisis proximat L. littorea.
Berdasarkan analisis antioksidan diketahui P. odoratatissima memiliki kandungan
asam askorbat tertinggi, M candidum dengan kandungan betacaroten tertinggi dan
B. asiatica tertinggi pada fenolik. Berdasarkan analisis makronutrien terlihat bahwa
L. racemosa memiliki kadar natrium tertinggi, N. fruticans sebagai kalium tertinggi,
S. jamaicensis memiliki kadar calsium tertinggi. Demikian juga unsur mikronutrien
tertinggi di antara buah mangrove S. portulacastrum (besi), H. tiliaceus (mangan)
dan tembaga.
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