2018
DOI: 10.31850/jgt.v7i1.320
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Efek Kombinasi Suhu Dan Waktu Ekstraksi Terhadap Komponen Senyawa Ekstrak Kulit Lidah Buaya

Abstract: Kulit lidah buaya merupakan bagian terluar yang banyak mengandung senyawasenyawa penting yang memiliki banyak fungsi dan diantaranya bersifat thermosensitif, sehingga diperlukan perlakuan yang tepat untuk memperoleh kualitas yang diinginkan. Senyawa penting kulit lidah buaya dapat diisolasi dengan proses ekstraksi. Suhu dan waktu ekstraksi yang digunakan dalam penelitian ini bervariasi yaitu suhu 50 o C,60 o C,70 o C, 80 o C dan waktu 10, 20 dan 30 menit dan menggunakan Rancangan Acak Lengkap. Variasi waktu da… Show more

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Cited by 5 publications
(5 citation statements)
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“…The flavonoid content increases when the temperature ranges from 30 to 50 °C, this is because heat can damage the extracted plant cell tissue so that the active components released will increase, but the subsequent increase results in structural changes resulting in a decrease in the detected compounds. Total flavonoids decreased when the temperature was higher than 50 °C [36]. Compared to UAE and MAE, sequential UAE + MAE was a much higher yield [20].…”
Section: Effect Of Temperature On Total Flavonoidsmentioning
confidence: 87%
“…The flavonoid content increases when the temperature ranges from 30 to 50 °C, this is because heat can damage the extracted plant cell tissue so that the active components released will increase, but the subsequent increase results in structural changes resulting in a decrease in the detected compounds. Total flavonoids decreased when the temperature was higher than 50 °C [36]. Compared to UAE and MAE, sequential UAE + MAE was a much higher yield [20].…”
Section: Effect Of Temperature On Total Flavonoidsmentioning
confidence: 87%
“…The decrease in antioxidant activity in Katuk flour was caused by the process of processing it into flour which involves heating. An increase in temperature and a long processing time can reduce antioxidant activity because it can damage the processed plant cell tissue and result in a changed structure of the plant 52 .…”
Section: Table 2 the Yield Of Torbangun And Katuk Flourmentioning
confidence: 99%
“…Temperature and processing time affect the increase or decrease of compounds in food products, including levels and antioxidant activity. According to Narsih & Agato (2018), antioxidant activity can increase or decrease due to different temperatures and times 52 .…”
Section: Table 5 the Nutrient Content Of Torbangun Katuk Food Barsmentioning
confidence: 99%
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“…Adanya proses pemanasan saat penyeduhan teh herbal dapat meningkatkan pelepasan senyawa fenolik dikarenakan rusaknya dinding sel bahan (Putri & Nurmagustina, 2017). Namun penggunaan suhu yang terlalu tinggi dalam jangka waktu tertentu akan menyebabkan degradasi pada beberapa senyawa dalam golongan fenolik (Narsih & Agato, 2018). İlyasoğlu & Arpa (2017) menyatakan bahwa kadar fenolik total akan meningkat seiring dengan bertambahnya waktu penyeduhan pada teh rosehip serta menghasilkan kadar fenolik total terbesar pada rentang suhu 77-86 o C dengan rentang waktu penyeduhan selama 5,5 sampai 10 menit.…”
Section: Pendahuluanunclassified