Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Harrizul Rivai is active.

Publication


Featured researches published by Harrizul Rivai.


Economic Botany | 1989

Survey of some West Sumatran plants for alkaloids

Dayar Arbain; Jr Cannon; Afriastini; Kuswata Kartawinata; Rusjdi Djamal; Agusri Bustari; Abdi Dharma; Rosmawaty; Harrizul Rivai; Zaherman; Dasril Basir; Maizar Sjafar; Sjaiful; Refdinal Nawfa; Soleh Kosela

Two hundred and ninety three fully identified species representing 203 genera and 77 families were collected from Mt. Merapi, Mt. Sago, Baso, Simarasap Forest, Ngalau Forest, Padang, Air Sirah Forest, and Ulu Gadat Forest in West Sumatra and tested for the presence of alkaloids. Positive results were obtained for 58 species representing 50 genera and 26 families.


Jurnal Sains dan Teknologi Farmasi | 2012

IDENTIFIKASI SENYAWA ANTIOKSIDAN DARI DAUN DEWA (Gynura pseudochina (Lour.) DC)

Harrizul Rivai; Amri Bakhtiar; Hazli Nurdin; Hamzar Suyani; Dewi Weltasari


Archive | 2017

Pengembangan Dan Validasi Metode Analisis Ranitidin Hidroklorida Tablet Dengan Metode Absorbansi Dan Luas Daerah Di Bawah Kurva Secara Spektrofotometri Ultraviolet

Boy Chandra; Harrizul Rivai; Marianis Marianis


Jurnal Sains dan Teknologi Farmasi | 2017

PENGEMBANGAN DAN VALIDASI METODE ANALISIS BETAMETASON TABLET DENGAN METODE ABSORBANSI DAN LUAS DAERAH DI BAWAH KURVA SECARA SPEKTROFOTOMETRI ULTRAVIOLET

Ridho Asra; Harrizul Rivai; Widya Astuty


Archive | 2016

Karakterisasi Ekstrak Spon Laut Axinella carteri Dendy Secara Fisika, Kimia Dan Fisikokimia

Harrizul Rivai; Meliyana Meliyana; Dian Handayani


Der Pharmacia Lettre | 2016

Isolation of Endophytic Bacteria from Bark, Leaf, and Pericarp of Mangosteen (Garcinia mangostana L.) and Testing of The Antimicrobial Activity

Harrizul Rivai; A Asia; W Rina; Yohannes Allen; Dian Handayani; Yufri Aldi; Marlina Marlina; D Akmal


Scientia - Jurnal Farmasi dan Kesehatan | 2015

Pengaruh Perbandingan Etanol:Air sebagai Pelarut Ekstraksi terhadap Perolehan Kadar Fenolat dan Daya Antioksidan Herba Meniran (Phyllanthus niruri L.)

B. A. Martinus; Harrizul Rivai


Jurnal Sains dan Teknologi Farmasi | 2013

PENGARUH PERBANDINGAN PELARUT ETANOL-AIR TERHADAP KADAR SENYAWA FENOLAT TOTAL DAN DAYA ANTIOKSIDAN DARI EKSTRAK DAUN SIRSAK (Annona muricata L.)

Harrizul Rivai; Ernita Widiya S; Rusdi Rusdi


Archive | 2011

Pengaruh cara pengeringan terhadap mutu herba meniran (Phyllanthus niruri LINN.) Influence of drying methods to quality of meniran herb (Phyllanthus niruri LINN.)

Harrizul Rivai; Hazli Nurdin; Hamzar Suyani; Amri Bakhtiar


Archive | 2010

Karakterisasi Flavonoid Antioksidan Dari Daun Jambu Biji (Psidium guajava L.)

Harrizul Rivai; Lisa Putriani; Mahyuddin Mahyuddin

Collaboration


Dive into the Harrizul Rivai's collaboration.

Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar

Afriastini

Indonesian Institute of Sciences

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar
Top Co-Authors

Avatar

Kuswata Kartawinata

Indonesian Institute of Sciences

View shared research outputs
Researchain Logo
Decentralizing Knowledge