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"ABSTRAKPrevalensi kasus jerawat (acne vulgaris) 75-85% pada orang dewasa, terutama pada usia remaja, dan sering menjadi kronis. Etiopatologis jerawat multi-faktorial, antara lain disebabkan oleh stres oksidatif dan pengaruh hormon serta pola makan. Tujuan dari penelitian adalah untuk membuktikan bahwa ekstrak etanol kulit buah manggis (Garcinia mangostana L) yang mengandung senyawa aktif xanthones dengan aktivitas anti-oksidan, anti-bakteria dan anti-inflamasi, dapat menunjang terapi medis untuk jerawat. Uji klinis dilakukan secara acak, berpembanding dan tersamar ganda selama 3 minggu pada 94 subyek berjerawat ringan dan sedang, berumur 18-30 tahun yang tinggal di asrama agar relatif homogen. Parameter penelitian adalah derajat keparahan jerawat menurut kriteria Lehman dan kadar malondialdehid (MDA) di dalam darah subyek. Perlakuan dengan pemberian 400 mg ekstrak 3 kali sehari, bersamaan terapi standar dengan krim topikal asam retinoat 0,025% pada lesi jerawat di wajah pada malam hari. Keparahan jerawat berkurang tidak bermakna (p > 0.2) dan penurunan kadar MDA dalam plasma darah tidak bermakna (p = 0.49).

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ABSTRACT

The prevalence of acne (acne vulgaris) is 75-85% in adults, especially in adolescence, and often becomes chronic. Etiopatology of acne is multi-factorial, partly due to the oxidative stress and the influence of hormones and diet. The purpose of this study is to prove that the ethanol extract of mangosteen rind (Garcinia mangostana L) containing xanthones with properties of anti-oxidant, anti-bacterial and anti-inflammatory, can support medical therapy for acne. A randomized, double-blind and controlled clinical trial done for 3 weeks in 94 subjects with mild and moderate acne, aged 18-30 years living in a dorm which is relatively homogeneous. Parameters of the study are the degree of severity of acne according to Lehman criteria and the levels of malondialdehyde (MDA) in the blood of the subjects. Intervention by administering 400 mg extract 3 times a day, along with standard therapy with topical cream of 0.025% retinoic acid applied in acne lesions on the face at night. Improvement of acne severity was not significant (p > 0.2) and decreased levels of MDA in blood plasma was not significant (p = 0.49)."

"ABSTRAKPrevalensi kasus jerawat (acne vulgaris) 75-85% pada orang dewasa, terutama pada usia remaja, dan sering menjadi kronis. Etiopatologis jerawat multi-faktorial, antara lain disebabkan oleh stres oksidatif dan pengaruh hormon serta pola makan. Tujuan dari penelitian adalah untuk membuktikan bahwa ekstrak etanol kulit buah manggis (Garcinia mangostana L) yang mengandung senyawa aktif xanthones dengan aktivitas anti-oksidan, anti-bakteria dan anti-inflamasi, dapat menunjang terapi medis untuk jerawat. Uji klinis dilakukan secara acak, berpembanding dan tersamar ganda selama 3 minggu pada 94 subyek berjerawat ringan dan sedang, berumur 18-30 tahun yang tinggal di asrama agar relatif homogen. Parameter penelitian adalah derajat keparahan jerawat menurut kriteria Lehman dan kadar malondialdehid (MDA) di dalam darah subyek. Perlakuan dengan pemberian 400 mg ekstrak 3 kali sehari, bersamaan terapi standar dengan krim topikal asam retinoat 0,025% pada lesi jerawat di wajah pada malam hari. Keparahan jerawat berkurang tidak bermakna (p > 0.2) dan penurunan kadar MDA dalam plasma darah tidak bermakna (p = 0.49).

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ABSTRACTThe prevalence of acne (acne vulgaris) is 75-85% in adults, especially in adolescence, and often becomes chronic. Etiopatology of acne is multi-factorial, partly due to the oxidative stress and the influence of hormones and diet. The purpose of this study is to prove that the ethanol extract of mangosteen rind (Garcinia mangostana L) containing xanthones with properties of anti-oxidant, anti-bacterial and anti-inflammatory, can support medical therapy for acne. A randomized, double-blind and controlled clinical trial done for 3 weeks in 94 subjects with mild and moderate acne, aged 18-30 years living in a dorm which is relatively homogeneous. Parameters of the study are the degree of severity of acne according to Lehman criteria and the levels of malondialdehyde (MDA) in the blood of the subjects. Intervention by administering 400 mg extract 3 times a day, along with standard therapy with topical cream of 0.025% retinoic acid applied in acne lesions on the face at night. Improvement of acne severity was not significant (p > 0.2) and decreased levels of MDA in blood plasma was not significant (p = 0.49)."

"ABSTRAKJerawat merupakan gangguan estetika pada kulit yang umumnya terjadi pada usia remajadengan gambaran klinis berupa adanya komedo, papul, pustul, dan nodul. Salah satu tanamanrimpang yang dapat digunakan sebagai obat jerawat adalah rimpang kencur (Kaempferiagalanga L) karena mempunyai khasiat sebagai anti bakteri dan anti inflamasi. Tujuanpenelitian ini adalah untuk mengetahui aktivitas antibakteri ektrak rimpang kencur terhadapbakteri P.acne, mengetahui kestabilan fisik sediaan gel ektrak rimpang kencur, keamanannya,dan manfaatnya sebagai gel anti jerawat derajat ringan dan sedang. Ekstraksi yang digunakandengan cara maserasi menggunakan etanol 96%. Uji aktifitas anti bakteri diamati padakonsentrasi 0,75; 1,25; 1,75; 2,25%. Konsentrasi 0,75% mempunyai diameter zona hambat11,5 mm pada media Brucella. Berdasarkan uji kestabilan fisik gel ekstrak rimpang kencurmempunyai stabilitas fisik yang baik pada akhir penelitian, pH mengalami sedikitpenurunan,uji viskositas dan konsistensi tidak banyak mengalami perubahan, dan ujikeamanan pada 12 orang tidak mengalami alergi dan iritasi. Uji manfaat dilakukan pada 60orang berjerawat ringan dan sedang dengan jenis lesi; komedo, papul, pustul, nodul.Perlakuan terhadap 30 orang yang diberi gel ekstrak etanol rimpang kencur dan gelklindamisin 1,2% diberikan pada 30 orang sebagai kontrol positip. Setelah dievaluasi selama3 minggu, gel ekstrak etanol rimpang kencur memberikan perbaikan signifikan (p<0,01)pada jerawat derajat ringan dan sedang.

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ABSTRACTAcne is a skin disorder that generally aesthetic occurs in adolescence with clinicalfeatures such as the presence of comedones, papules, pustules, and nodules. Oneof the rhizomes of plants that can be used as an acne medication is kencurrhizome (Kaempferia galanga.L) because it has peculiar properties as an antibacterial and anti inflammatory. The purpose of this study was to know about theanti bacterial activity of kencur rhizome extract the P acne bacteria,knowing thephysical stability from the preparation of kencur rhizome extract gel,safety,andbenefits as an anti acne gel in mild and moderate level. Extraction was macerationusing 96% ethanol.Antibacterial activity test performed at concentrations 0,75;1,25; 1,75; 2,25%. Concentration of 0,75% has 11,5 mm in the inhibition zone ofBrucella media. Based on the physical stability test, kencur rhizome extract gelhas good physical stability at the end of the study. The level of pH as a slightdecrease,viscosity and consistency test has not the changed much of the gel safetytesting in 12 peoples do not showed allergies and irritation. The benefit testconducted on 60 people with mild and moderate acne lesion types of comedones,papules, pustules, nodules. The gel contain 0,75% extract of rhizome kencur and1,2% clindamycin gel was applied in each 30 peoples who severe acne at faceshowed, after 3 week evaluation the result showed that extract of rhizome kencurprovide a significan improvement (p<0,01) in mild and moderate acne."

"Penelitian sebelumnya menunjukkan bahwa pada pasien akne terjadi stres oksidasi yang ditandai dengan penurunan aktivitas glutation peroksidase (GPx) dalam eritrosit. Aktivitas GPx dalam plasma belum pernah diteliti pada pasien akne dan diharapkan dengan pemberian ekstrak kulit buah manggis (Garcinia mangostana L.) sebagai sumber antioksidan dapat meningkatkan aktivitas GPx dalam plasma. Penelitian ini merupakan penelitian analitik komparatif dengan desain paralel, merupakan uji klinis yang memakai rancangan pretest-posttest dengan kelompok kontrol. Penelitian ini dilakukan untuk membandingkan aktivitas GPx dan rasio glutation tereduksi/teroksidasi (GSH/GSSG) sebelum dan sesudah mengkonsumsi ekstrak kulit buah manggis dengan dosis 3x1 kapsul selama 21 hari. Metode pemeriksaan menggunakan metode enzimatik Ransel kit RS.505 untuk mengukur aktivitas GPx dan microplate assay for GSH/GSSG GT.40 untuk mengukur rasio GSH/GSSG terhadap 20 subyek penelitian dan 18 subyek kontrol. Hasil penelitian menunjukkan bahwa dalam kelompok Manggis, setelah terapi dengan ekstrak kulit buah manggis, aktivitas plasma GPx secara signifikan lebih tinggi dibandingkan sebelum terapi (p<0,05), namun bila dibandingkan dengan kelompok Plasebo peningkatan ini tidak bermakna (p>0,05). Penelitian ini juga menemukan bahwa pemberian ekstrak kulit buah manggis pada pasien akne dapat menurunkan rasio GSH / GSSG secara signifikan (p<0,05) dibandingkan dengan kelompok Plasebo.

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Previous studies have shown impaired antioxidant defense system in patients with acne, including alterations in glutathione peroxidase (GPx) activity in erythrocytes. GPx activity in plasma has not been studied in patients with acne and is expected that administration of mangosteen pericarp extract as a source of antioxidants can increase the activity of GPx in plasma.

This study is a comparative analytical study with parallel design, a clinical trial using a pretest-posttest control group. The study was conducted by comparing the activity of GPx and the ratio of GSH/GSSG before and after consumes mangosteen pericarp extract with doses 3x1 capsules for 21 days.

An enzymatic methods using Ransel kit RS.505 to measure GPx and microplate assay kit for GSH / GSSG GT.40 to measure the ratio of GSH/GSSG against 20 study subjects and 18 control subjects.

The results showed that after therapy with mangosteen pericarp extract, the activity of plasma GPx was significantly higher than before therapy (p<0.05), but when compared to the Placebo group the increase was not significant (p>0.05). This research also found that administration of mangosteen pericarp extract to patients with acne may decrease the ratio of GSH / GSSG significantly (p<0.05) compared to the Placebo group."

"Tanaman obat sudah sejak lama digunakan oleh masyarakat Indonesia untuk menjaga kondisi tubuh agar tetap sehat, mencegah maupun menyembuhkan penyakit. Salah satunya adalah kulit buah manggis (Garcinia mangostana L.). Penelitian sebelumnya telah menguji aktifitas antioksidan dengan penangkapan radikal bebas 2,2-difenil-1-pikrilhidrazil. Penelitian ini bertujuan untuk menguji pengaruh dari pemberian ekstrak etanol kulit buah manggis (Garcinia mangostana L.) pada sel darah merah domba yang diberikan stres oksidatif dengan t-BHP secara in vitro, dan melindungi membran sel darah merah domba yang diberikan stress oksidatif dengan t-BHP secara in vitro (MDA). Hasil menunjukkan bahwa pemberian ekstrak etanol 50% kulit buah manggis (EEKBM) dengan konsentrasi 1,95mg/mL mampu mengatasi radikal bebas yang ditimbulkan oleh t-BHP dalam hal ini mampu mengatasi peroksidasi lipid membran SDMD oleh t-BHP, ditunjukkan dengan penurunan kadar MDA yang bermakna. EEKBM mampu meningkatkan kadar GSH pada SDMD yang diberi oksidator. EEKBM tidak menyebabkan pembentukan met-Hb, dan tidak berperan dalam menghambat pembentukan met-Hb. Disimpulkan bahwa EEKBM mampu mengatasi peroksidasi lipid.

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Medicinal plants have long been used by the people of Indonesia to maintain the condition of their body to stay healthy, prevent or cure any disease. The one is the pericarp of the mangosteen fruit (Garcinia mangostana L.). Previous studies have tested the antioxidant activity 2,2-diphenyl-1-pikrilhidrazil. The question is whether this garcinia can prevent oxidative stress in red blood cells.

This study aimed to examine the effect of ethanol extract of mangosteen pericarp (Garcinia mangostana L.) to the red blood cells of sheep (SDMD), that oxidative stress is given by t-BHP in vitro, and it can protects the sheep red blood cell membranes from oxidative stress is given by t-BHP in vitro (MDA).

The results showed that given of 50% ethanol extract of mangosteen pericarp (EEKBM) with a concentration of 1.95 mg / mL able to reduce the free radicals generated by t-BHP and in this case it was able to overcome lipid peroxidation of SDMD membrane by t-BHP, indicated by the decreased levels of MDA. EEKBM can increase levels of GSH in SDMD that given the oxidant. EEKBM not lead the formation of metHb, and did not play a role in inhibiting the formation of met-Hb. It is concluded that EEKBM is able to reduce the lipid peroxidation."

"Buah manggis (Garcinia mangostana L.) merupakan salah satu tanaman obattradisional yang banyak digunakan untuk mengatasi berbagai penyakit. Penelitianterdahulu melaporkan bahwa G. mangostana mempunyai aktivitas antioksidan yangpoten yang berperan melindungi sel dari stres oksidatif. Tujuan penelitian adalahmenguji efek hepatoprotektif dari ekstrak etanol kulit buah manggis (EEKBM) padatikus yang diinduksi dengan karbon tetraklorida (CCl4). Tikus jantan galur Sprague-Dawley dengan berat 150-200 g, 11-12 minggu, dibagi menjadi 5 kelompok secaraacak, tiap kelompok terdiri atas 5 ekor tikus. Kelompok I: kontrol. Kelompok II:diberikan CCl4. Kelompok perlakuan III, IV, V diberikan EEKBM dengan dosis 900,1080 dan 1296 mg/kgBB/hari secara oral selama 8 hari. Aktivitas alaninaminotransferase (ALT), malondialdehid (MDA) dan glutation (GSH) diukur padaplasma dan jaringan hati tikus. Hasil penelitian menunjukkan aktivitas ALT plasmadan kadar MDA hati kelompok EEKBM (900, 1080 dan 1296 mg/kg BB) lebihrendah dibanding kelompok CCl4 secara bermakna (p<0,05). Kadar MDA plasmatidak berbeda bermakna dengan kelompok kontrol, tetapi lebih tinggi dibandingkelompok CCl4 secara bermakna (p<0,05). Kadar GSH hati dan plasma darikelompok EEKBM (900 dan 1080 mg/kg BB) lebih tinggi dibanding kelompok CCl4secara bermakna (p<0,05). Pada kelompok EEKBM (1296 mg/kg BB) kadar GSHplasma lebih tinggi dibanding kelompok CCl4 secara bermakna (p<0,05).Kesimpulannya, EEKBM mempunyai kemampuan untuk melindungi hati darikerusakan oksidatif akibat CCl4, kemampuan ini diduga berhubungan denganaktivitas antioksidan dari kandungan senyawa Garcinia mangostana L.

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Mangosteen fruit (Garcinia mangostana L.) is traditionally used as medicinal plant.

Previous studies mentioned that G. mangostana has a potent antioxidant activity to

protect the cells from oxidative stress. This study aimed to investigate the

hepatoprotective effect of the ethanol extract of mangosteen pericarp (EEMP) in rats

induced by carbon tetrachloride (CCl4). Male Sprague-Dawley rats weighing 150-200

g, 11-12 weeks were randomly devided into 5 groups of 5 animals each. Group I:

controls. Group II: treatment CCl4, and 3 treatment Groups (III, IV, V). Group III:

EEMP 900 mg/kgBW, Group IV: EEMP 1080 mg/kgBW and Group V: EEMP 1296

mg/kgBW. All treatment with plant extracts administered orally, once per day for 8

days. The activity of alanine aminotransferase (ALT), malondialdehyde (MDA) and

glutathione (GSH) was measured in rats plasma and liver tissue. Results showed that

the plasma ALT activity and liver MDA levels of EEMP groups (900, 1080 and 1296

mg/kgBW) were significantly lower compared to CCl4 group (p<0,05), while the

plasma MDA levels were not significantly different compare to control group

(p<0,05) but higher compared to CCl4 groups (p<0,05). GSH levels of liver and

plasma of treatment groups (900 and 1080 mg/kgBW) were significantly higher

compared to CCl4 group (p<0,05), while at treatment group of 1296 mg/kgBW, only

the GSH levels of plasma were significantly higher compared to CCl4 group

(p<0,05). Hence, in conclusion ethanol extract of mangosteen pericarp (EEMP)

demonstrated the ability to protect the liver from oxidative damage caused by CCl4,

which was assumed due to the antioxidant activity of the active compound of

Garcinia mangostana L."

"Latar belakang: Akne vulgaris AV adalah penyakit inflamasi kronik yang ditandai adanya lesi polimorfik di area predileksi AV. Tatalaksana AV terdiri dari terapi standar dan terapi adjuvan. Salah satu terapi adjuvan yang selalu diberikan pada pasien AV adalah frekuensi cuci wajah AV. Sampai saat ini, rekomendasi frekuensi cuci wajah pasien dengan AV di negara tropis adalah berdasarkan rekomendasi umun dan pendapat ahli. Tujuan: Mengetahui efektivitas frekuensi cuci wajah sebagai terapi adjuvan pada akne vulgaris derajat ringan dan sedang. Metode: Uji klinis acak buta tunggal dilakukan terhadap mahasiswa AV di Klinik UI Makara pada bulan Mei hingga Juni 2018. Mahasiswa yang memenuhi kriteria penerimaan dan tidak memenuhui kriteria penolakan serta bersedia ikut dalam penelitian mendapat perlakuan berupa frekuensi cuci wajah 2 kali dan 3 kali per hari sesuai hasil randomisasi. Seluruh SP memperoleh terapi standar dan pembersih wajah yang sama. Jumlah lesi AV, kadar sebum, nilai TEWL, serta efek samping pada wajah SP akan dinilai selama 6 minggu dan evaluasi dilakukan pada minggu ke-3 dan minggu ke-6. Analisis hasil penelitian dilakukan dengan metode intention to treat. Hasil: Diperoleh total 36 subjek penelitian. Pada penelitin ini terdapat 1 SP drop out yaitu SP pada kelompok cuci wajah 2 kali per hari. Efektivitas frekuensi cuci wajah 3 kali per hari tidak berbeda bermakna dengan 2 kali per hari dalam penurunan jumlah lesi AV dengan median 23 (0-62) dibandingkan 20 (0-37), p = 0,341. Tidak terdapat perbedaan bermakna antara frekuensi cuci wajah 3 kali dibandingkan 2 kali per hari dalam hal penurunan kadar sebum, peningkatan nilai TEWL dan efek samping yang terjadi. Kesimpulan: Tidak terdapat perbedaan efektivitas frekuensi cuci wajah 3 kali per hari dibandingkan 2 kali per hari sebagai terapi adjuvan dalam hal penurunan jumlah lesi AV pada wajah mahasiswa AVR dan AVS yang mendapat terapi standar.

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Background: Acne vulgaris (AV) is a chronic inflammatory disease characterized by polymorphic lesions in the predilection area. Management of AV consists of standard therapy and adjunctive therapy. One of the adjunctive therapies that must be given to AV patients is the frequency of face washing. Recently, the recommendation of face washing frequency for AV patients in tropical countries is based on the general recommendation and expert opinion. Objective: To evaluate the effectiveness of face washing frequency as an adjuvant therapy on mild and moderate AV. Methods: A single blind randomized clinical trial was conducted on AV students at UI Makara Clinic from May to June 2018. Students who met the criteria of acceptance and did not meet the criteria of rejection and were willing to join the study were treated 2 and 3 times per day according to randomization. All participants were given standard therapy and same cleanser. AV lesions counts, sebum level, TEWL scores, and side effects on participant face would be assessed within six weeks by evaluating at week-3 and week-6. The analysis of study result was done by intention-to-treat method. Result: The total of 36 participants was recruited. In this study, there was 1 participant dropped out from the twice-per-day face washing group. There was no significant difference from the thrice-per-day and twice-per-day groups in terms of decreasing of total AV lesions with median 23 (0-62) versus 20 (0-37), p = 0,341. In addition, there was no significant difference in terms of decreasing sebum level, increasing of TEWL score, and adverse events. Conclusion: There was no difference in effectiveness of face washing frequency 3 times per day compared to 2 times per day with regard to decrease AV lesions in the face of mild and moderate AV students receiving standard therapy. "

"Kulit buah manggis (Garcinia mangostana L.) telah dimanfaatkan sebagai obatsecara tradisional untuk berbagai penyakit, salah satunya adalah sebagaiantioksidan. Tujuan penelitian ini adalah untuk menilai kemampuan ekstraketanol kulit buah manggis (EEKBM) 50% dengan konsentrasi 0,195%, menahanstres oksidatif pada sel darah merah domba (SDMD) yang diberi tBHP secara invitro. Percobaan dilakukan dalam 4 kelompok, (I) kontrol, (II) SDMD + EEKBM,(III) SDMD + t-BHP, (IV) SDMD + EEKBM + t-BHP. Efek perlindungan kulitbuah manggis ditetapkan dengan mengukur parameter aktifitas enzim-enzimantioksidan superoksida dismutase (SOD), glutation peroksidase (GPx) dankatalase. Hasil penelitian menunjukkan pemberian EEKBM mampu menahanstress oksidatif pada SDMD yang diberi tBHP. Hal ini ditunjukkan denganpenurunan aktivitas SOD, GPx dan katalase pada pemberian EEKBM . Hasilpenelitian ini menunjukkan bahwa EEKBM dapat melindungi SDMD dari stresoksidatif yang disebabkan oleh pemberian t-BHP.

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Pericarp of mangosteen (Garcinia mangostana L.) has been used traditionally as

medicine for various diseases. This study aimed to examined the effect of 50%

ethanol extract of mangosteen (EEMP) concentration of 0,195 % to prevent the

red blood cells of sheep (RBCS) from oxidative stress that induced by t-BHP in

vitro. The groups were (I) control, (II) RBCS + EEMP, (III) RBCS + EEMP + t-

BHP and (IV) RBCS + EEMP + t-BHP. The result showed that activities of

superoxide dismutase (SOD), Gluthation peroxidase (GPx) and catalase were

decreasing, so we concluded that EEMP had antioxidant capacity to protect

RBCS oxidative stress induced by t-BHP.

"

"Kerusakan sel hati dapat disebabkan oleh berbagai senyawa kimia yang toksik. Karbon tetraklorida (CCl4) sering dipakai sebagai penginduksi kerusakan hati oleh radikal bebas melalui mekanisme stres oksidatif. Studi fitokimia telah banyak membuktikan bahwa kulit buah manggis kaya akan xanton yang dikenal dalam kapasitasnya sebagai antioksidan. Penelitian ini bertujuan untuk mempelajari pengaruh ekstrak etanol 50% kulit buah manggis (EEKBM) terhadap kerusakan oksidatif pada hati tikus akibat induksi dari CCl4, melalui aktivitas glutation peroksidase (GPx) dan rasio glutation tereduksi/teroksidasi (GSH/GSSG). Tikus putih jantan galur Sprague Dawley dibagi dalam 5 kelompok yaitu kelompok kontrol, kelompok CCl4 dan kelompok perlakuan dengan dosis ekstrak 900, 1080 dan 1296 mg/kg BB per oral selama 8 hari sebelum diberikan CCl4. Kemudian aktivitas GPx dan rasio GSH/GSSG diukur dari jaringan hati tikus. Diperoleh hasil bahwa pemberian EEKBM pada percobaan ini menurunkan aktivitas GPx pada dosis 900 dan 1080 mg/Kg BB secara bermakna (p<0,05) dibandingkan dengan kelompok kontrol dan kelompok tikus yang diberi CCl4. Pada dosis 1296 mg/Kg BB terjadi kenaikan aktivitas GPx. Hasil pengukuran rasio GSH/GSSG tidak menunjukkan perbedaan bermakna terhadap kelompok kontrol dan kelompok CCl4, meskipun terlihat adanya kecenderungan penurunan/perubahan yang sejajar dengan gambaran aktivitas GPx. Dari penelitian ini diduga bahwa ekstrak etanol 50% kulit buah manggis bekerja sebagai penangkal radikal bebas.

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Liver cell damage could be caused by variety of toxic compounds. Carbon tetrachloride (CCl4) was commonly used as an inducer of liver damage through oxidative stress mechanism by free radical. Phytochemical studies had proven that the mangosteen rind was rich in xanthone as an antioxidant. The research aimed to study the effect of 50% ethanol extract of mangosteen rind (EEKBM) against oxidative damage in rat liver due to induction of CCl4, through the activity of glutathione peroxidase (GPx) and the ratio of reduced / oxidized glutathione (GSH/GSSG). White male rats Sprague-Dawley strain were divided into 5 groups: control group, CCl4 group and the treated group with the extract doses of 900, 1080 and 1296 mg/kg orally for 8 days before being given CCl4. Then the activity of GPx and GSH/GSSG ratio were measured from rat’s liver tissue.

The yield of the research showed that the administration of EEKBM reduced the GPx activities significantly (p< 0.05) to doses 900 and 1080 mg/kg bw compared with the control group and the group of rats given CCl4. At the dose of 1296 mg/kg bw exhibited an increase in GPx activity. The measurement results of GSH/GSSG ratio showed no significant difference from the control group and the CCl4 group, although there was declining trend which was parallel to the picture of GPx activity. Study suggested that 50% ethanol extract of mangosteen rind worked as free radical scavenger."

"[Buah Manggis (Garcinia mangostana L.) merupakan buah yang banyak tumbuh di negara tropis, di antaranya Indonesia dan Thailand. Bagian kulit (pericarp) Manggis memiliki banyak khasiat, salah satunya sebagai antikanker. Berdasarkan hal tersebut, dilakukan uji sitotoksisitas untuk melihat efek ekstrak kulit buah Manggis terhadap viabilitas sel leukemia MT-2. Untuk membuat ekstrak, pelarut yang digunakan adalah etanol 99%. Ekstrak etanol kulit buah Manggis dibuat dengan menggunakan alat rotary evaporator. Konsentrasi ekstrak dibagi menjadi delapan yakni, 6,25 μg/ml, 12,5 μg/ml, 25 μg/ml, 50 μg/ml, 100 μg/ml, 200 μg/ml, 400 μg/ml, dan 800 μg/ml. Penambahan DMSO dan media kultur digunakan sebagai kontrol. Ekstrak dan kontrol diberikan kepada sel leukemia MT-2 dan dilakukan uji sitotoksisitas dengan menggunakan metode MTT-Assay. Hasil uji sitotoksisitas berupa kepadatan sel yang dinyatakan dengan Optical Density (OD). Data ini diolah sehingga menghasilkan IC50. Nilai IC50 yang didapatkan adalah 1,72 μg/ml yang tergolong sitotoksik kuat. Data penelitian dianalisis menggunakan uji Kruskal-Wallis, dilanjutkan dengan uji post hoc Mann Whitney dan didapatkan hasil perbedaan bermakna pada kelompok kontrol dan kelompok perlakuan dengan konsentrasi 6,25 μg/ml, 12,5 μg/ml, 25 μg/ml, dan 50 μg/ml.;Mangosteen (Garcinia mangostana L.). is a fruit which grows in tropical countries, includes Indonesia and Thailand. Its peel or pericarp has a lot of benefits. One of the benefits is as anticancer. To test the effectiveness of the peel as anticancer, cytotoxicity test should be done. The previous researches haven?t done the test on leukemia MT-2 cells, so this research did this test on leukemia MT-2 cells to know the effect of mangosteen pericarp ethanol extract to the viability of this cancer cell. This research used ethanol 99% for the solvent. Mangosteen pericarp ethanol extract was made by using rotary evaporator. The extract was adjusted into eight concentrations, which are 6.25 μg/ml, 12.5 μg/ml, 25 μg/ml, 50 μg/ml, 100 μg/ml, 200 μg/ml, 400 μg/ml, and 800 μg/ml. DMSO and culture media were used for the control. Both the extract and the control were given to the leukemia MT-2 cells and were tested for cytotoxicity test. MTT-Assay method was used for the cytotoxicity test. The result of cytotoxicity test is called Optical Density (OD) or the density of the cancer cells which are still ?alive?. This data was processing so that the IC50 can be valued. The IC50 value from this experiment is 1.72 μg/ml which is a very strong cytotoxicity. For data analysis, this research used Kruskal-Wallis Test and was continued by using Post hoc Mann-Whitney Test. From Post hoc Mann-Whitney Test, there are the significant differences between several concentrations. The significant differences can be seen on control group and tested group with concentration 6.25 μg/ml, 12.5 μg/ml, 25 μg/ml, and 50 μg/ml;Mangosteen (Garcinia mangostana L.). is a fruit which grows in tropical countries, includes Indonesia and Thailand. Its peel or pericarp has a lot of benefits. One of the benefits is as anticancer. To test the effectiveness of the peel as anticancer, cytotoxicity test should be done. The previous researches haven?t done the test on leukemia MT-2 cells, so this research did this test on leukemia MT-2 cells to know the effect of mangosteen pericarp ethanol extract to the viability of this cancer cell. This research used ethanol 99% for the solvent. Mangosteen pericarp ethanol extract was made by using rotary evaporator. The extract was adjusted into eight concentrations, which are 6.25 μg/ml, 12.5 μg/ml, 25 μg/ml, 50 μg/ml, 100 μg/ml, 200 μg/ml, 400 μg/ml, and 800 μg/ml. DMSO and culture media were used for the control. Both the extract and the control were given to the leukemia MT-2 cells and were tested for cytotoxicity test. MTT-Assay method was used for the cytotoxicity test. The result of cytotoxicity test is called Optical Density (OD) or the density of the cancer cells which are still ?alive?. This data was processing so that the IC50 can be valued. The IC50 value from this experiment is 1.72 μg/ml which is a very strong cytotoxicity. For data analysis, this research used Kruskal-Wallis Test and was continued by using Post hoc Mann-Whitney Test. From Post hoc Mann-Whitney Test, there are the significant differences between several concentrations. The significant differences can be seen on control group and tested group with concentration 6.25 μg/ml, 12.5 μg/ml, 25 μg/ml, and 50 μg/ml, Mangosteen (Garcinia mangostana L.). is a fruit which grows in tropical countries, includes Indonesia and Thailand. Its peel or pericarp has a lot of benefits. One of the benefits is as anticancer. To test the effectiveness of the peel as anticancer, cytotoxicity test should be done. The previous researches haven’t done the test on leukemia MT-2 cells, so this research did this test on leukemia MT-2 cells to know the effect of mangosteen pericarp ethanol extract to the viability of this cancer cell. This research used ethanol 99% for the solvent. Mangosteen pericarp ethanol extract was made by using rotary evaporator. The extract was adjusted into eight concentrations, which are 6.25 μg/ml, 12.5 μg/ml, 25 μg/ml, 50 μg/ml, 100 μg/ml, 200 μg/ml, 400 μg/ml, and 800 μg/ml. DMSO and culture media were used for the control. Both the extract and the control were given to the leukemia MT-2 cells and were tested for cytotoxicity test. MTT-Assay method was used for the cytotoxicity test. The result of cytotoxicity test is called Optical Density (OD) or the density of the cancer cells which are still ‘alive’. This data was processing so that the IC50 can be valued. The IC50 value from this experiment is 1.72 μg/ml which is a very strong cytotoxicity. For data analysis, this research used Kruskal-Wallis Test and was continued by using Post hoc Mann-Whitney Test. From Post hoc Mann-Whitney Test, there are the significant differences between several concentrations. The significant differences can be seen on control group and tested group with concentration 6.25 μg/ml, 12.5 μg/ml, 25 μg/ml, and 50 μg/ml]"