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Aktivitas Antioksidan Teh Hijau dan Teh Hitam Purwanto, Djoko Agus; Wibowo, Nadya Khadijah; Rudyanto, Marcellino
Camellia : Clinical, Pharmaceutical, Analytical and Pharmacy Community Journal Vol 1 No 2 (2022): Camellia (Clinical, Pharmaceutical, Analytical, and Pharmacy Community Journal)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/cam.v1i2.16722

Abstract

Teh adalah minuman terpopuler kedua setelah air putih di dunia. Konsumsi teh hitam di Indonesia lebih banyak dibandingkan teh hijau. Daun teh mengandung antioksidan yang dapat mencegah penyakit degeneratif seperti kanker. Teh hijau memiliki senyawa antioksidan total lebih banyak dibandingkan jenis teh lainnya. Antioksidan dalam teh terutama diperoleh dari senyawa katekin, sehingga semakin tinggi nilai total katekin maka aktivitas antioksidannya semakin besar. Berbeda dengan teh hitam yang mengalami proses fermentasi sebelum dikemas menjadi olahan teh, teh hijau tidak difermentasi. Ulasan ini menegaskan kembali aktivitas antioksidan teh hijau dibandingkan teh hitam berdasarkan total katekin dan nilai IC50 DPPH. Aktivitas antioksidan teh hijau lebih besar dibandingkan teh hitam. Nilai total katekin pada teh hijau lebih besar dibandingkan teh hitam, sedangkan nilai IC50 DPPH pada teh hijau lebih kecil dibandingkan teh hitam. Hasil tinjauan literatur ini merekomendasikan bahwa penelitian lebih lanjut dapat dikembangkan berdasarkan potensi aktivitas teh hijau dan teh hitam
Understanding of Consumer Behavior Toward Environmental Sustainability on Electric Vehicle Purchase Intentions in Indonesia Sri Hartono; Sabri, Mohamad Fazli; Purwanto, Agustinus Hariadi Djoko
Jurnal Aplikasi Bisnis dan Manajemen Vol. 10 No. 2 (2024): JABM, Vol. 10 No. 2, Mei 2024
Publisher : School of Business, Bogor Agricultural University (SB-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17358/jabm.10.2.469

Abstract

Background: Indonesia is currently facing a significant problem of air pollution caused by vehicle emissions, which severely impacts both health and the economy. With the depletion of natural resources, the cost of gasoline is on the rise. Purpose: To address this issue, a study was conducted to investigate consumer behavior and their awareness of environmental sustainability when purchasing electric vehicles. Design/methodology/approach: A purposive sampling method was used, and the survey was conducted on 140 individuals who own fossil fuel-powered vehicles. The research utilized Smart PLS for data processing. Findings/Result: The results confirmed two hypotheses and refuted two based on prior research.Conclusion: Findings indicate environmental awareness, but barriers to EV adoption persist.Originality/value (State of the art): Adds new evidence on EV purchase decisions in emerging markets. Keywords: environmental concern, attitude, subjective norm, behavior control, electric vehicle purchase intention
Co-Authors A Fahmy Arif Tsani A. Toto Purnomo Abby Rahmat Kamaruzzaman Achmad Fuad Hafid Achmad Toto Poernomo Achmad Toto Purnomo Adecha Ekalipta Primazafira Adi Utarini Afra, Fairuz Yaumil Agustina, Indri Alief Putriana Rahman Anggita Mirzautika Anita Natalia Suryawijaya Asri Darmawati Asri Darmawati Aty Widyawaruyanti Audrey Gracelia Riwu Augustien, Nora Budi Suharjo Budi Wikeko Christina Destri Corry, Maylisa Natalia Devi Eka Juniarti Dewi Isadiartuti Dewi Melani Hariyadi Edhi, Narendrani Sasmitaning Erwin Astha Triyono Esti Hendradi Fairuz Yaumil Afra Fauziyah, Riska Salfa Febri Annuryanti Guniarti Guniarti Guniarti Hadi Poerwono Hadi Suhardjono Hanifah Ridha Rabbani Hasan, Muhammad Amir Heny K Daryanto Herin Mawarti Hidayati, Agriana Rosmalina I Nyoman Wijaya Ilmi, Hilkatul Innisa, Deana Rohali Ira Widjiastuti Isnaeni Isnaeni Isnaeni Iswajuni, Iswajuni Joewono Soeroso Juni Ekowati Jusak Nugraha Kun Ismiyatin Lahardo, Devanus M. Rasjad Indra Mangestuti Agil Marcellino Rudyanto Masruratos Zahroh Melanny Ika Sulistyowaty Mirzautika, Anggita Muhammad Amin Muslihatin, Wirda Noorma Rosita Nora Augustien Pribadi, Didik Huswo Purwaningsih - Purwitasari, Neny Retno Pudji Rahayu Retno Widyowati Riesta Primaharinastiti Riesta Primaharinastiti, Riesta Rufaidah Azzahrah Sabri, Mohamad Fazli Saribatiara, Saribatiara Setyabudi Setyabudi Soraya Aulia Sri Hartono Sri Iswati Suciati Suciati Sukardiman Susetyowati Susilowati Susilowati Sutini Tiara Sukmawati Toto Sudargo Tri Widiandani Tristiana Erawati Tutiek Purwanti Ujang Sumarwan Wibowo, Nadya Khadijah Wicaksana, Firman Widiwurjani Widji Soeratri Widji Soeratri Yayuk Hartriyanti Yudianingtyas, Deanur Yusniasari, Putri Antika Yusuf, Helmy