2020
DOI: 10.51673/jips.v1i3.441
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PENGARUH LAMA PENYIMPANAN EKSTRAK KASAR MAKROALGA Ulva lactuca TERHADAP KESTABILAN PIGMEN FOTOSINTESIS

Abstract: Banyak kandungan senyawa kimia bermanfaat dalam makroalga yang bernilai ekonomi tinggi tetapi belum diteliti secara luas, seperti pigmen fotosintesis. Peningkatan  kebutuhan pigmen fotosintesis pada dunia industri menyebabkan pencarian sumber alternatif pigmen fotosintesis masih terus dilakukan diantaranya dari makroalga. Penelitian ini bertujuan untuk mengetahuipengaruh lama penyimpanan ekstrak kasar makroalga Ulva lactuca terhadap kestabilan pigmen fotosintesis. Tahapan penelitian meliputi, isolasi pigmen fo… Show more

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“…To dissolve bioactive compounds, methanol can dissolve polar compounds such as alkaloids, flavonoids, saponins, and carbohydrates (Kuppusamy, Yusoff, Parine, & Govindan, 2015). The stability of bioactive compounds is strongly influenced by physical and chemical factors such as temperature, pH, oxygen, and storage time (Hasanela, Gaspersz, Silaban, & Sohilait, 2020). The extraction of bioactive compounds was successfully characterized by the rupture of Padina australis cells resulting in a dark green extract with a distinctive marine odor and is referred to as crude extract.…”
Section: Sample Extractionmentioning
confidence: 99%
“…To dissolve bioactive compounds, methanol can dissolve polar compounds such as alkaloids, flavonoids, saponins, and carbohydrates (Kuppusamy, Yusoff, Parine, & Govindan, 2015). The stability of bioactive compounds is strongly influenced by physical and chemical factors such as temperature, pH, oxygen, and storage time (Hasanela, Gaspersz, Silaban, & Sohilait, 2020). The extraction of bioactive compounds was successfully characterized by the rupture of Padina australis cells resulting in a dark green extract with a distinctive marine odor and is referred to as crude extract.…”
Section: Sample Extractionmentioning
confidence: 99%
“…Perbedaan dari kedua sampel adalah pada nilai absorbansi masing-masing sampel, yaitu nilai absorbansi sampel hasil ekstraksievaporasi lebih besar dari pada sampel hasil ekstraksi. Hal ini disebabkan karena sampel ekstraksievaporasi lebih pekat (konsentrasinya lebih tinggi) karena kandungan senyawanya telah dimurnikan (dihilangkan pelarutnya) [22]. Semakin besar konsentrasi sampel maka semakin besar absorbansinya, absorbansi berbanding lurus dengan konsentrasi [23].…”
Section: Hasil Dan Pembahasanunclassified