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"Beberapa penelitian melaporkan bahwa ekstrak rimpang kunyit (Curcuma domestica Val.) dan ekstrak kulit batang mimba (Azadirachta indica A. Juss) masing-masing menunjukkan aktivitas gastroprotektif baik pada uji preklinik maupun klinik. Tujuan dari penelitian ini adalah untuk mengetahui efektivitas gastroprotektif kombinasi ekstrak rimpang kunyit dan kulit batang mimba pada tikus yang diinduksi dengan asetosal. Penelitian ini menggunakan tikus jantan galur Sprague Dawley dengan berat badan 100- 150 gram sebanyak 32 ekor yang dibagi menjadi 8 kelompok dengan metode Rancangan Acak Lengkap (RAL); kelompok I, II, III, IV, V, dan VI diberikan kombinasi ekstrak selama 7 hari sebelum diinduksi, kelompok VII sebagai kontrol negatif diberikan CMC 1% selama 7 hari sebelum dinduksi, kelompok VIII sebagai kontrol normal diberikan larutan CMC 1% dan tidak diinduksi dengan asetosal. Delapan jam setelah perlakuan, tikus dibedah dan dilakukan pengujian pada organ lambung meliputi perhitungan indeks ulkus, pemeriksaan keasaman lambung, determinasi mukus, dan pengamatan histologi. Hasil dari penelitian ini menyebutkan bahwa pemberian kombinasi ekstrak rimpang kunyit (50 mg/kg bb) dan ekstrak kulit batang mimba (250 mg/kg bb) dapat menurunkan indeks ulkus secara signifikan, pembentukan mukus yang tinggi, serta didukung dengan hasil pengamatan histologi, yakni tidak ditemukannya perubahan bentuk dan ukuran sel parietal yang bermakna jika dibandingkan dengan kontrol normal.

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Some studies reported that turmeric (Curcuma domestica Val.) rhizome and neem (Azadirachta indica A. Juss) bark extracts which each of them demonstrated strong gastroprotective activities on both preclinical and clinical studies. The objective of this study was to investigate the gastroprotective effect of turmeric rhizome and neem bark extracts on acetosal-induced gastric mucosal lesions in rats. Thirty two male Sprague Dawley rats 100-150 g bw used in the study were divided into 8 groups using Complete Randomized Design (CRD) method; group I, II, III, IV, V and VI received combination extracts orally in various doses for 7 days before acetosal, group VII served as negative control received orally 1% CMC for 7 days before acetosal, group VIII received orally 1% CMC solution and served as normal control. Eight hours after treatment, animals were sacrificed and the stomach were taken to measure ulcer index, gastric acid determination, mucus determination and histology examination. The result suggests that pretreatment with combination of turmeric rhizome (50 mg/kg bw) and neem bark extract (250 mg/kg bw) and was observed significantly reduced the ulcer index, demonstrated high mucus production, also suppported by histopatological examination with no significantly changing on parietal cells microscopic appearance compared with normal control."

"Telah dilakukan penelitian untuk mengetahui pengaruh ekstrak rimpang kunyit (Curcuma domestica Val.) terhadap ketebalan endometrium, epitel vagina, kelenjar mammae, dan protein reseptor estrogen (RE) pada mencit-mencit yang telah diovariektomi. Dua puluh lima mencit yang telah diovariektomi yang dibagi menjadi lima kelompok, yaitu kelompok diberi perlakuan dengan etinilestradiol (8,4 x 10-3 g), akuades (10 ml), dan ekstrak rimpang kunyit dosis 230 mg/kg bb; 310 mg/kg bb; dan 390 mg/kg bb selama delapan hari. Mencit dibunuh pada akhir percobaan, kemudian uterus, vagina, dan mamae diambil, lalu berat basah uterus dicatat. Uterus, vagina, dan mammae diperiksa preparat histologisnya. Keberadaan protein reseptor estrogen (RE) pada uterus dianalisis menggunakan SDS-PAGE. Hasil uji anava 1-faktor menunjukkan bahwa ekstrak rimpang kunyit dosis 310 mg/kg bb dan 390 mg/kg bb memberikan efek estrogenik pada epitel vagina, ketebalan endometrium, dan diameter kelenjar mammae. Analisis SDS-PAGE menunjukkan adanya perbedaan konsentrasi protein antara kontrol dan kelompok perlakuan yang terlihat dari ketebalan pita-pita protein. Pita reseptor estrogen dapat dideteksi pada sampel kelompok perlakuan dengan berat molekul 45 kDa.

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Estrogenic Effect of 70% Ethanol Turmeric (Curcuma domestica Val.) extract on ovariectomized Female Mice (Mus musculus L.). The influence of extract turmeric (Curcuma domestica Val.) on endometrium thickness, vaginal epithelium, mammary gland, and protein of estrogen receptor of ovariectomized mice was examined. Twenty five ovariectomized mice which were divided into five groups, were treated by ethynilestradiol (8,4 x 10-3 g), aquades (10 ml), and turmeric extract at doses 230 mg/kg b.w.; 310 mg/kg b.w.; and 390 mg/kg b.w. for eight days. At the end of experiments the mice were killed, then the uterus, vagina, and mammae were removed and the wet weight of uterus was recorded. Uterus, vagina, and mammae were examined histologically. Estrogen receptor protein from uterus were analized by using SDS-PAGE. One way anava test showed that turmeric extract at doses 310 mg/kg b.w. and 390 mg/kg b.w give estrogenic effect on vaginal ephitelium, endometrium thickness, and diametre of mammary glands. SDS-PAGE analysis showed there were differences in protein concentration between control and treatment groups which were seen in the thickness of the bands. Estrogen receptor band could be detected in sampel of treatment groups at molecular weight 45 kDa."