Antioxidants are compounds that can inhibit the oxidation of lipids or other molecules by inhibiting the initiation or propagation of chain oxidation reactions. Exogenous antioxidants consist of natural antioxidants and synthetic antioxidants. Concerns about the side effects of using synthetic antioxidants that can increase carcinogenesis have encouraged the use of natural antioxidants as an alternative source of antioxidants. One source of natural antioxidants can be obtained from plant species that contain antioxidants, namely those from Piper betle L. This literature review article aims to determine the content of Piper betle L. betel leaf as an antioxidant. The literature search process used is Google Scholar, PubMet and Science Direct published in 2011-2021. And the search results found 12 articles with each article stating that Piper betle L. Has antioxidant activity which is included in the category of very strong IC50 values. This is because betel contains quercetin, phenolic compounds, chlorogenic acid, atoxin, eugenol and gallic acid

Free sex is sexual behavior by individuals before marriage which is common in adolescence. As a result of changes in adolescent sexual attitudes and behavior will increase adolescent sexual problems. The consequences that can occur from free sex are unprotected sexuality, venereal disease, mortality of young mothers and their babies, abortion and unwanted pregnancy. The incidence of childbirth as many as 219 occurred in Sleman in 2017 and there were 47 marriage dispensation agreements in 2018. Factors of knowledge about reproductive health are important factors that must be possessed by adolescents to prevent the occurrence of free sex. This study aims to determine the effect of reproductive health education on adolescent free sex knowledge. This study uses a type of pre experiment design with a one-group pretest-posttest design. The population in this study were teenagers in BPRSW as many as 30 people, with sampling using total sampling. Data collection techniques using the method of observation and questionnaires. Test validity in this study using product moment correlation and declared valid with the value of r count <r table (0.05). Reliability test using Cronbach's alpha obtained Cronbach's alpha value of 0.745 so it was declared reliable. Data analysis uses univariate and bivariate analysis. Bivariate analysis using paired T-test. The results of the study indicate that reproductive health education influences adolescent knowledge in BPRSW Yogyakarta, with a value of p = (0.048) <α (0.05). As many as 24 (80.0%) of respondents had good category knowledge after being given health education about free sex.

Penelitian ini bertujuan untuk mengetahui Perngaruh Pertumbuhan Penjualan dan Struktur Aset Terhadap Struktur Modal Pada Perusahaan Industri Sub-Sektor Otomotif dan Komponen Yang Terdaftar di Bursa Efek Indonesia (BEI) Periode 2016-2020. Metode yang digunakan dalam penelitian ini adalah regresi linear berganda. Dan data yang digunakan adalah data sekunder. Hasil penelitian ini menunjukkan bahwa secara parsial 1). Pertumbuhan penjualan berpengaruh positif dan signifikan terhadap struktur modal. 2). Struktur aset tidak berpengaruh positif dan signifikan terhadap struktur modal. Sedangkan secara simultan pertumbuhan penjualan dan struktur aset berpengaruh terhadap struktur modal

Pelaksanaan Mentoring Baca Tulis Al-Qur’an Pada Mahasiswa Program Sudi Pendidikan Agama Islam Di Universias Muhammadiyah Pontianak.Masalah dalam penelitian ini adalah bagaimana perencanaan pelaksanaan mentoring baca tulis Al-Qur’an pada mahasiswa pendidikan agama Islam di Universitas Muhammadiyah, bagaimana pelaksanan mentoring baca tulis Al-Qur’an pada mahasiswa pendidikan agama Islam di Universitas Muhammadiyah dan apa sajakah faktor-faktor yang menghambat pelaksanaan mentoring baca tulis Al-Qur’an pada mahasiswa pendidikan agama Islam di Universitas Muhammadiyah. Tujuannya untuk mengetahui: 1) perencanaan pelaksanaan mentoring baca tulis Al-Qur’an di Universitas Muhammadiyah, 2) pelaksanaan mentoring baca tulis Al-Qur’an di Universitas Muhammadiyah, 3) faktor-faktor penghambat pelaksanaan mentoring baca tulis Al-Qur’an di Universitas Muhammadiyah. Bentuk penelitian yang digunakan adalah metode history (masa lampau) dengan pendekatan kualitatif. Menggunakan wawancara, observasi, dan dokumentasi untuk kesimpulan dari penelitian ini adalah pelaksanaan mentoring di Universitas Muhammadiyah diadakan dalam satu minggu sekali dan rencana kedepannya akan diadakan menulis Al-Qur’an dan pelaksanaan mentoring wajib bagi mahasiswa baru mengikutinya. Pelaksanaan mentoring sangatlah efiktif dalam pelaksanaannya karena disini menggunakan mentor dari semester atas untuk mudah pendekatannya dengan mahasiswa baru. Walaupun, ada beberapa hambatan tetapi pelaksanaan mentoringnya berjalan dengan tepat waktu.