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"g", "per_unit_price": 340.0, "evidence": "450g", "reviews": 12, "stars": 4.75, "shop": "セレスト Yahoo!ショッピング店", "url": "https://store.shopping.yahoo.co.jp/cerest/018-0334-002.html", "image": "https://item-shopping.c.yimg.jp/i/g/cerest_018-0334-002"}, {"rank": 41, "name": "よつ葉バター 加塩 / 450g【 冷蔵便 】【 富澤商店 公式 】", "price": 1547, "qty": 450.0, "unit": "g", "per_unit_price": 343.778, "evidence": "450g", "reviews": 18, "stars": 4.44, "shop": "富澤商店 Yahoo!店", "url": "https://store.shopping.yahoo.co.jp/tomizawa/00195101.html", "image": "https://item-shopping.c.yimg.jp/i/g/tomizawa_00195101"}, {"rank": 42, "name": "よつ葉バター 無塩 食塩不使用 450g 北海道 無塩バター 手作りお菓子にもお料理にも！ よつば 四つ葉 よつ葉乳業 よつ葉無塩【 冷蔵便 】【 富澤商店 公式 】", "price": 1558, "qty": 450.0, "unit": "g", "per_unit_price": 346.222, "evidence": "450g", "reviews": 84, "stars": 4.56, "shop": "富澤商店 Yahoo!店", "url": "https://store.shopping.yahoo.co.jp/tomizawa/00195001.html", "image": "https://item-shopping.c.yimg.jp/i/g/tomizawa_00195001"}, {"rank": 43, "name": "【あすつく】送料無料　バター　よつ葉発酵バター　食塩不使用　450g　x3個セット【冷蔵】　送料込み", "price": 4716, "qty": 1350.0, "unit": "g", "per_unit_price": 349.333, "evidence": "450g x3個", "reviews": 54, "stars": 4.89, "shop": "ビーライフショップ", "url": "https://store.shopping.yahoo.co.jp/blife/tn-03-3.html", "image": "https://item-shopping.c.yimg.jp/i/g/blife_tn-03-3"}, {"rank": 44, "name": "【 カルピス バター 加塩 有塩　450g x 10個 業務用 】〜賞味期限2027.2近辺〜", "price": 15999, "qty": 4500.0, "unit": "g", "per_unit_price": 355.533, "evidence": "450g x 10個", "reviews": 20, "stars": 4.9, "shop": "COOKS81Yahoo!店", "url": "https://store.shopping.yahoo.co.jp/cooks81/z6stntuvzu.html", "image": "https://item-shopping.c.yimg.jp/i/g/cooks81_z6stntuvzu"}, {"rank": 45, "name": "【即日出荷~17時】カルピスバター　有塩　450g【冷凍】 賞味期限 40日前後　", "price": 1600, "qty": 450.0, "unit": "g", "per_unit_price": 355.556, "evidence": "450g", "reviews": 11, "stars": 4.55, "shop": "ビーライフショップ", "url": "https://store.shopping.yahoo.co.jp/blife/nz-6901.html", "image": "https://item-shopping.c.yimg.jp/i/g/blife_nz-6901"}, {"rank": 46, "name": "【お得なクーポンあり】MCTオイル 勝山ネクステージ 450g 5本 | mct 大容量 高コスパ 中鎖脂肪酸油 無味無臭 糖質ゼロ 健康食品", "price": 8165, "qty": 2250.0, "unit": "g", "per_unit_price": 362.889, "evidence": "450g 5本", "reviews": 52, "stars": 4.92, "shop": "MCT&KETO専門店 勝山館", "url": "https://store.shopping.yahoo.co.jp/shozankan-cocoil/sports45005.html", "image": "https://item-shopping.c.yimg.jp/i/g/shozankan-cocoil_sports45005"}, {"rank": 47, "name": "MCTオイル 勝山ネクステージ 450g 3本 | mct 大容量 高コスパ 中鎖脂肪酸油 無味無臭 糖質ゼロ 健康食品", "price": 4900, "qty": 1350.0, "unit": "g", "per_unit_price": 362.963, "evidence": "450g 3本", "reviews": 550, "stars": 4.75, "shop": "MCT&KETO専門店 勝山館", "url": "https://store.shopping.yahoo.co.jp/shozankan-cocoil/sports45003.html", "image": "https://item-shopping.c.yimg.jp/i/g/shozankan-cocoil_sports45003"}, {"rank": 48, "name": "よつ葉 発酵バター 食塩不使用 / 450g【 冷蔵便 】【 富澤商店 公式 】", "price": 1658, "qty": 450.0, "unit": "g", "per_unit_price": 368.444, "evidence": "450g", "reviews": 18, "stars": 4.61, "shop": "富澤商店 Yahoo!店", "url": "https://store.shopping.yahoo.co.jp/tomizawa/00217501.html", "image": "https://item-shopping.c.yimg.jp/i/g/tomizawa_00217501"}, {"rank": 49, "name": "【あすつく】送料無料　バター　有塩バター　よつ葉バター　加塩　450g　x2個セット【冷蔵】　送料込み", "price": 3342, "qty": 900.0, "unit": "g", "per_unit_price": 371.333, "evidence": "450g x2個", "reviews": 26, "stars": 4.5, "shop": "ビーライフショップ", "url": "https://store.shopping.yahoo.co.jp/blife/tn-02-2.html", "image": "https://item-shopping.c.yimg.jp/i/g/blife_tn-02-2"}, {"rank": 50, "name": "【あすつく】送料無料　バター　無塩バター　よつ葉バター　食塩不使用　450g　x2個セット【冷蔵】　送料込み", "price": 3358, "qty": 900.0, "unit": "g", "per_unit_price": 373.111, "evidence": "450g x2個", "reviews": 26, "stars": 4.77, "shop": "ビーライフショップ", "url": "https://store.shopping.yahoo.co.jp/blife/tn-01-2.html", "image": "https://item-shopping.c.yimg.jp/i/g/blife_tn-01-2"}, {"rank": 51, "name": "【お一人様5個まで】バター カルピス(株) バター 有塩 450g", "price": 1689, "qty": 450.0, "unit": "g", "per_unit_price": 375.333, "evidence": "450g", "reviews": 297, "stars": 4.61, "shop": "ママパン", "url": "https://store.shopping.yahoo.co.jp/mamapan/17180002.html", "image": "https://item-shopping.c.yimg.jp/i/g/mamapan_17180002"}, {"rank": 52, "name": "【お一人様5個まで】カルピス(株)バター 無塩 450g バター", "price": 1699, "qty": 450.0, "unit": "g", "per_unit_price": 377.556, "evidence": "450g", "reviews": 112, "stars": 4.66, "shop": "ママパン", "url": "https://store.shopping.yahoo.co.jp/mamapan/17180001.html", "image": "https://item-shopping.c.yimg.jp/i/g/mamapan_17180001"}, {"rank": 53, "name": "【あすつく】送料無料　バター　無塩バター　よつ葉発酵バター　食塩不使用　450g　x2個セット【冷蔵】　送料込み", "price": 3464, "qty": 900.0, "unit": "g", "per_unit_price": 384.889, "evidence": "450g x2個", "reviews": 34, "stars": 4.62, "shop": "ビーライフショップ", "url": "https://store.shopping.yahoo.co.jp/blife/tn-03-2.html", "image": "https://item-shopping.c.yimg.jp/i/g/blife_tn-03-2"}, {"rank": 54, "name": "【お一人様5個まで】カルピス(株) 発酵バター 食塩不使用 450g バター", "price": 1869, "qty": 450.0, "unit": "g", "per_unit_price": 415.333, "evidence": "450g", "reviews": 133, "stars": 4.7, "shop": "ママパン", "url": "https://store.shopping.yahoo.co.jp/mamapan/17180003.html", "image": "https://item-shopping.c.yimg.jp/i/g/mamapan_17180003"}, {"rank": 55, "name": "朝岡スパイス　カレーペーストLL瓶　450g", "price": 1944, "qty": 450.0, "unit": "g", "per_unit_price": 432.0, "evidence": "450g", "reviews": 20, "stars": 4.65, "shop": "LOHACO by アスクル", "url": "https://lohaco.yahoo.co.jp/store/h-lohaco/item/9765523/", "image": "https://item-shopping.c.yimg.jp/i/g/rd-lohaco_9765523"}, {"rank": 56, "name": "【お得なクーポンあり|特別送料無料】MCTオイル 勝山ネクステージ 360g | mct 中鎖脂肪酸 無味無臭 糖質制限 低糖質 バターコーヒー ケトジェニック 爆買", "price": 1618, "qty": 360.0, "unit": "g", "per_unit_price": 449.444, "evidence": "360g", "reviews": 18, "stars": 4.78, "shop": "MCT&KETO専門店 勝山館", "url": "https://store.shopping.yahoo.co.jp/shozankan-cocoil/mct360p.html", "image": "https://item-shopping.c.yimg.jp/i/g/shozankan-cocoil_mct360p"}, {"rank": 57, "name": "【あすつく】送料無料　バター　無塩バター　カルピスバター　無塩（食塩不使用） 450g　x2個セット【冷凍】　送料込み　賞味期限 40日前後　　　　　", "price": 4150, "qty": 900.0, "unit": "g", "per_unit_price": 461.111, "evidence": "450g x2個", "reviews": 17, "stars": 4.82, "shop": "ビーライフショップ", "url": "https://store.shopping.yahoo.co.jp/blife/nz-6902-2.html", "image": "https://item-shopping.c.yimg.jp/i/g/blife_nz-6902-2"}, {"rank": 58, "name": "【あすつく】送料無料　有塩バター　カルピスバター　有塩 450g　x2セット【冷凍】 製菓 製パン 手作り 業務用 プロ用　送料込み  賞味期限 40日前後", "price": 4250, "qty": 900.0, "unit": "g", "per_unit_price": 472.222, "evidence": "450g x2セット", "reviews": 21, "stars": 4.81, "shop": "ビーライフショップ", "url": "https://store.shopping.yahoo.co.jp/blife/nz-6901-2.html", "image": "https://item-shopping.c.yimg.jp/i/g/blife_nz-6901-2"}, {"rank": 59, "name": "(医師監修) MCTオイル (モンドセレクション金賞受賞) 送料無料 450g ダイエット 糖質制限 中鎖脂肪酸油 糖質ゼロ 油 健康 バターコーヒー 糖質制限ダイエット", "price": 2180, "qty": 450.0, "unit": "g", "per_unit_price": 484.444, "evidence": "450g", "reviews": 440, "stars": 4.46, "shop": "いいねONLINE公式 Yahoo!店", "url": "https://store.shopping.yahoo.co.jp/excitech/001.html", "image": "https://item-shopping.c.yimg.jp/i/g/excitech_001"}, {"rank": 60, "name": "【あすつく】バター　有塩バター　カルピス　特選バター　有塩　450g【冷蔵】 製菓 製パン 手作り 業務用 プロ用", "price": 2215, "qty": 450.0, "unit": "g", "per_unit_price": 492.222, "evidence": "450g", "reviews": 28, "stars": 4.68, "shop": "ビーライフショップ", "url": "https://store.shopping.yahoo.co.jp/blife/nz-6929.html", "image": "https://item-shopping.c.yimg.jp/i/g/blife_nz-6929"}]}, "main_unit": {"unit": "g", "unit_label": "100g", "median": 329.44, "low": 137.33, "n": 74}, "answer": "2026-09-19、バターがいちばん安いのは100gあたり137円（楽天市場・よつ葉 バターミルクパンケーキミックス 450g よつ葉乳業・618円で450g）。ふつうは100gあたり329円です。"}