Abstract
Five main compounds have been identified in the chloroform extract of Atung fruit seeds (Parinarium glaberimum Hassk) which are linoleic acid (8.88%); stearic acid (8.23%); stigmasta-5,22-dien-3-ol,(3β,22E) or stigmasterol (10.37%); stigmast-5-en-3-ol,(3β) or β-sitosterol (19.59%); and stigmast-5-en-3-ol, (3β, 24S) or γ-sitosterol ( 33.74%) through gas chromatography-mass spectroscopy by analyzing the similarity of molecular weight and positive ion mass/charge fragments and based on the comparison of the GC-MS retention time of phytosterols. This study is the first to report the presence of stigmasterol, β-sitosterol and γ-sitosterol in the chloroform extract of Atung fruit seeds (Parinarium glaberimum Hassk). γ -Sitosterol, the epimer of β-sitosterol, has the greatest abundance in the chloroform extract of Atung fruit seeds. Phytosterol compounds namely stigmasterol, β-sitosterol, and γ-sitosterol have been reported to have many benefits such as reducing blood cholesterol levels, antioxidants, anti-diabetic, anti-inflammatory, and anti-cancer.
Highlights
One of the natural potentials that can be used as traditional medicine and natural preservatives is the seeds of Atung which can be found in Ambon, Seram and Lease Islands
Five main compounds have been identified in the chloroform extract of Atung fruit seeds (Parinarium glaberimum Hassk) which are linoleic acid (8.88%); stearic acid (8.23%); stigmasta-5,22-dien-3-ol,(3β,22E) or stigmasterol (10.37%); stigmast-5en-3-ol,(3β) or β-sitosterol (19.59%); and stigmast-5-en-3-ol, (3β, 24S) or γ-sitosterol ( 33.74%) through gas chromatography-mass spectroscopy by analyzing the similarity of molecular weight and positive ion mass/charge fragments and based on the comparison of the GC-MS retention time of phytosterols
This study is the first to report the presence of stigmasterol, β-sitosterol and γ-sitosterol in the chloroform extract of Atung fruit seeds (Parinarium glaberimum Hassk). γ -Sitosterol, the epimer of β-sitosterol, has the greatest abundance in the chloroform extract of Atung fruit seeds
Summary
Received: 6th July, 2020 Received in revised form: 30th August, 2020 Accepted: 28th September, 2020. Kata-kata kunci: Atung, Ekstrak kloroform Fitosterol GC-MS Sitosterol Stigmasterol. Salah satu potensi alam yang dapat digunakan sebagai obat tradisional dan pengawet alami adalah biji buah Atung yang dapat ditemukan di pulau Ambon, Seram dan Pulau-Pulau Lease. Tujuan penelitian ini adalah untuk indentifikasi senyawa fitosterol bioaktif dalam ekstrak kloroform biji buah Atung. Telah diidentifikasi 5 senyawa utama dalam ekstrak kloroform biji buah Atung (Parinarium glaberimum Hassk) yaitu asam linoleat (8,88%); asam stearate (8,23%); stigmasta-5,22-dien-3ol,(3β,22E) atau stigmasterol (10,37%); stigmast-5-en-3-ol,(3β) atau βsitosterol (19,59%); dan stigmast-5-en-3-ol,(3β,24S) atau γ-sitosterol (33,74%) melalui kromatografi gas - spektrometer massa dengan analisis kesamaan berat molekulnya dan fragmen ion positif massa/muatan dan berdasarkan perbandingan waktu retensi GC-MS isomer senyawa fitosterol. Penelitian ini adalah yang pertama melaporkan adanya stigmasterol, β-sitosterol dan γ-sitosterol dalam ekstrak kloroform biji buah Atung (Parinarium glaberimum Hassk). Γ-Sitosterol yaitu epimer dari β-sitosterol memiliki kelimpahan terbesar dalam ekstrak kloroform biji buah Atung Penelitian ini adalah yang pertama melaporkan adanya stigmasterol, β-sitosterol dan γ-sitosterol dalam ekstrak kloroform biji buah Atung (Parinarium glaberimum Hassk). γ-Sitosterol yaitu epimer dari β-sitosterol memiliki kelimpahan terbesar dalam ekstrak kloroform biji buah Atung
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