Traditional markets are places for buying and selling medicinal plants and are a source of ethnobotany research data.  This study aims to determine the uses and characteristics of Zingiberaceae rhizomes have been used as traditional medicine and traded in the traditional market of Pancur Batu, North Sumatra. This research was conducted with an ethnobotany approach through surveys, interviews and observation participatory. The respondents are all medicinal plants traders in the Pancur Batu traditional market. The things that were asked of the traders included local names, special characters, benefits, and how to recognize the rhizome. The medicinal plant traders in the Pancur batu traditional market have been utilized and traded as many as 10 species of Zingiberaceae rhizome, most of them belonging Curcuma and Zingiber genera. The characteristics of rhizomes are recognized by traders through their size, color, and aroma. The cross-section of the rhizomes of each species is different in structure and color which is used as the main marker for each species. Rhizoma Zingiberaceae is used as the main ingredient for tawar (semi-solid medicinal herbs consumed by brewing), parem (solid medicinal ingredients), and oukup (traditional Karo sauna). The rhizome aroma of each species belonging Zingiberaceae is very distinctive which is related to the content of essential oils. The use of Zingiberaceae rhizomes as tawar and parem ingredients needs to be studied further so that they are developed into standardized herbs.

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Kanker Payudara menjadi masalah yang sering menyerang wanita mulai dari umur remaja sampai lanjut usia. Cara pencegahan kanker payudara yang efektif adalah mengetahui gejala awal kanker payudara dengan Gerakan SADARI. Jika pengetahuan kanker payudara ini diberikan sejak dini dan upaya pencegahannya juga dipahami sejak dini, maka remaja terutama siswa SMA akan terhindar dari resiko kanker tersebut. PKM ini dilakukan untuk menambah pengetahuan siswa tentang kanker payudara dan memberikan pemahaman siswa bahwa lingkungan dapat dipakai untuk meningkatkan kesehatan guna melawan jika ada bibit kanker payudara yang ada di tubuh kita. Pemberian pengetahuan kanker ini dengan mengajak salah satu Yayasan kanker SRIKANDI. PKM ini melakukan dua kegiatan utama yaitu kegiatan seminar secara online atau webinar dengan mengundang seluruh sekolah SMA yang ada di Jakarta dan kegiatan kedua yaitu memberikan alat Kesehatan kepada para penyintas kanker melalui Yayasan kanker SRIKANDI.  Hasil dari PKM ini adalah meningkatkan pengetahuan masyarakat bahwa lingkungan merupakan hal utama yang dapat mempengaruhi kondisi psikologis seseorang. Lingkungan yang hijau dapat meningkatkan kondisi psikologis yang bahagia dan sehat. Kesehatan psikologis dapat mempengaruhi aktivitas imunitas tubuh. Semakin baik kondisi psikologis seseorang maka imunitasnya juga semakin baik. Semakin baik imunitas seseorang maka pertahanan seseorang terhadap bibit sel kanker payudara juga semakin baik. Maka perlu sekali peningkatan imunitas tubuh agar dapat terhindar dari penyakit kanker payudara. Kata Kunci:kenker, payudara, lingkungan, pencegahan

This study was conducted to determine the application of online learning with the Project Based Learning (PBL) model on student learning outcomes. This research was classified as a quasi-experimental, with a sample of 36 students of class XI IPA 1 and IPA 2 at SMA Negeri 1 Siborongborong as the control class and the experiment through purposive sampling technique. The results show that there is an increase in the value, where previously only 65.94 increased to 82.06. In addition, further ANOVA test was also carried out with sig. 0.023 0.05 which indicates that PBL learning has an effect where the PBL model is better than conventional learning, which shows that there is a difference in the average learning outcomes of control and experimental class students. This is because the advantages of PBL are able to construct and provide opportunities to convey, listen and reflect on ideas based on individual experiences in groups so that they are able to provide meaningful learning during online learning

Antidesma bunius has been long used as food and traditional medicine by vary local communities in Indonesian. This study aims to explain the potential of A. bunius as a food ingredient and its bioactivity. The method used is survey and library research published online at Google Scholar by using keywords such as A. bunius, bioactivities of A. bunius and uses of A. bunius. Antidema bunius is an indigenous plant of Indonesia and has been cultivated in the yard as a shade and source of fruit. The local people in West Java have been used the A. bunius fruits for rujak ingredient which called as rujak buni. As a food ingredient, A. bunius fruit is used as an ingredient for salads and has been processed to be syrup, jelly, sauce and wine. The bioactivity of A. bunius is as an antioxidant, anti-bacterial, anti-cancer, anti-diabetic mellitus, anti-inflammatory and anti-cholesterol. The fruits of A. bunius has potential to be developed as a nutraceutical, especially as an anti-cancer and antioxidant-rich food