成分分析
上級
これはContent Creation, Multimodal AI分野の自動化ワークフローで、17個のノードを含みます。主にIf, Switch, Telegram, Agent, TelegramTriggerなどのノードを使用。 TelegramとGemini 2.5 Flashを使用して製品の成分写真を分析する
前提条件
- •Telegram Bot Token
- •Google Gemini API Key
使用ノード (17)
ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
"id": "OHJxgg0BdTf2l363",
"meta": {
"instanceId": "eebe9c0070b02d0ee22eb0ed0c31d070c78a8b6ed60658384408eca35acc94ee",
"templateCredsSetupCompleted": true
},
"name": "ingredients",
"tags": [],
"nodes": [
{
"id": "90b0a91c-bba7-41f3-8d90-af4947a7da10",
"name": "Google Gemini Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
688,
-144
],
"parameters": {
"options": {}
},
"typeVersion": 1
},
{
"id": "716161e7-f0bb-4e4c-b0e2-ec98d4e199ff",
"name": "Structured Output Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
848,
-144
],
"parameters": {
"jsonSchemaExample": "{\n \"recommendation\": \"Do Not Use\",\n \"reason\": \"While this product contains...\"\n}\n"
},
"typeVersion": 1.3
},
{
"id": "107f1ce4-0198-4a53-8f94-8fb9ffe53370",
"name": "Google Gemini Chat Model1",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
688,
192
],
"parameters": {
"options": {}
},
"credentials": {
"googlePalmApi": {
"id": "CLs7gtUQzHCSgvqQ",
"name": "Google Gemini(PaLM) Api account"
}
},
"typeVersion": 1
},
{
"id": "d3996282-5fb7-4e0e-8d1d-195b5703ac59",
"name": "Structured Output Parser1",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
832,
192
],
"parameters": {
"jsonSchemaExample": "{\n \"advantages\": [\"List clear benefits of these ingredients, including positive effects on health, skin, or hair.\"],\n \"disadvantages\": [\"List risks or concerns such as allergens, irritants, harsh chemicals, or health warnings.\"],\n \"recommended_for\": [\"Describe the group of people who can safely benefit from this product.\"],\n \"not_recommended_for\": [\"Describe the group of people who should avoid it, such as those with allergies, sensitivities, or certain conditions.\"]\n}\n"
},
"typeVersion": 1.3
},
{
"id": "5817f756-9d0f-445e-b860-29c530a93f86",
"name": "Google Gemini Chat Model2",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
96,
320
],
"parameters": {
"options": {}
},
"credentials": {
"googlePalmApi": {
"id": "CLs7gtUQzHCSgvqQ",
"name": "Google Gemini(PaLM) Api account"
}
},
"typeVersion": 1
},
{
"id": "a8169fcb-ebf7-4aab-ab3c-e3fb4f4ea181",
"name": "メッセージの写真/テキストを取得",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
-288,
16
],
"webhookId": "365bd415-f745-4c2b-b0c5-42a5024a74e2",
"parameters": {
"updates": [
"message"
],
"additionalFields": {}
},
"typeVersion": 1.2
},
{
"id": "d3486786-42e0-4bbb-8449-ec011df85da6",
"name": "Google Gemini で製品画像を分析",
"type": "@n8n/n8n-nodes-langchain.googleGemini",
"position": [
288,
-128
],
"parameters": {
"text": "=Analyze this product image and extract only the list of ingredients. Ignore other text like brand names, slogans, or nutritional info. Return the ingredients as clean text in order and What the product is.",
"modelId": {
"__rl": true,
"mode": "list",
"value": "models/gemini-2.5-flash",
"cachedResultName": "models/gemini-2.5-flash"
},
"options": {},
"resource": "image",
"inputType": "binary",
"operation": "analyze"
},
"credentials": {
"googlePalmApi": {
"id": "CLs7gtUQzHCSgvqQ",
"name": "Google Gemini(PaLM) Api account"
}
},
"typeVersion": 1
},
{
"id": "d6a1725c-be05-4e59-aab2-462ae3d47ee2",
"name": "Telegram から写真ファイルを取得",
"type": "n8n-nodes-base.telegram",
"position": [
80,
-128
],
"webhookId": "121a1894-5bff-43b7-9f14-9101a71ad6ae",
"parameters": {
"fileId": "={{ $json.message.photo[3].file_id }}",
"resource": "file",
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"id": "PFSwgv89YFhycXc3",
"name": "Telegram account"
}
},
"typeVersion": 1.2
},
{
"id": "492eb15b-d490-47b7-9ecd-0f31bef855fd",
"name": "ユーザーキャプション付きで成分分析 (使用/不使用の判断)",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
688,
-288
],
"parameters": {
"text": "=Product ingredients :- {{ $json.content.parts[0].text }}\n\nUser's Caption :- {{ $('Get a Message photo/text').item.json.message.caption }}",
"options": {
"systemMessage": "=You are a product safety and health advisor. \nYou will receive two inputs: \n1. A list of product ingredients. \n2. A caption/description of the product. \n\nYour task is to: \n- Analyze the ingredients for safety, health impact, and potential concerns (like allergens, harmful chemicals, artificial additives, or beneficial elements). \n- Consider the product’s purpose (from the caption). \n- Decide if the user **should use this product or not**. \n\nOutput Format: \n{\n \"recommendation\": \"Use\" or \"Do Not Use\",\n \"reason\": \"Detailed explanation covering positives, negatives, and potential risks or benefits.\"\n}\n\nadd only necessary information not include unnecessary information on reason.\n"
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 2.2
},
{
"id": "08b6a395-6c56-4ca2-b0ec-1c47393f21b0",
"name": "使用/不使用の推奨を送信",
"type": "n8n-nodes-base.telegram",
"position": [
1008,
-288
],
"webhookId": "30cc03fb-37a2-44eb-b085-16558436900c",
"parameters": {
"text": "=** {{ $json.output.recommendation }} **\n\n{{ $json.output.reason }}",
"chatId": "={{ $('Get a Message photo/text').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "PFSwgv89YFhycXc3",
"name": "Telegram account"
}
},
"typeVersion": 1.2
},
{
"id": "89350602-2843-4643-97a4-6dab08a54dee",
"name": "キャプションなしで成分分析 (詳細な分析)",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
688,
32
],
"parameters": {
"text": "=Product ingredients :- {{ $('Analyzes product images using Google Gemini').item.json.content.parts[0].text }}",
"options": {
"systemMessage": "=You are a product health and safety advisor. \nYou will be given a list of ingredients from a product. \nYour job is to analyze them and provide a structured, detailed output.\n\n\nRules:\n- Do not invent ingredients that are not present.\n- Base all reasoning strictly on the provided ingredient list.\n- Be clear, factual, and practical for everyday users.\n\ngive only 3 main points in each."
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 2.2
},
{
"id": "5c6f145c-36b6-4241-8086-890bf8c50fd6",
"name": "詳細な成分分析を送信",
"type": "n8n-nodes-base.telegram",
"position": [
1040,
32
],
"webhookId": "1f346d74-2f77-4382-8a4e-a830106ae145",
"parameters": {
"text": "=**Advantages**\n• {{ $json.output.advantages[0] }}\n• {{ $json.output.advantages[1] }}\n• {{ $json.output.advantages[2] }}\n\n**Disadvantages**\n• {{ $json.output.disadvantages[0] }}\n• {{ $json.output.disadvantages[1] }}\n• {{ $json.output.disadvantages[2] }}\n\n**Recommended For**\n• {{ $json.output.recommended_for[0] }}\n• {{ $json.output.recommended_for[1] }}\n• {{ $json.output.recommended_for[2] }}\n\n**Not-Recommended For**\n• {{ $json.output.not_recommended_for[0] }}\n• {{ $json.output.not_recommended_for[1] }}\n• {{ $json.output.not_recommended_for[2] }}",
"chatId": "={{ $('Get a Message photo/text').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "PFSwgv89YFhycXc3",
"name": "Telegram account"
}
},
"typeVersion": 1.2
},
{
"id": "f63050eb-d0f2-4531-b7ce-ae47c5f235dc",
"name": "キャプションの有無に基づきルーティング",
"type": "n8n-nodes-base.switch",
"position": [
496,
-128
],
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "825bbdf2-81ff-4f74-b416-145034bfd7a5",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $('Get a Message photo/text').item.json.message.caption }}",
"rightValue": ""
}
]
}
},
{
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "3901b67c-046b-47d4-81ed-3d246c63b975",
"operator": {
"type": "string",
"operation": "notExists",
"singleValue": true
},
"leftValue": "={{ $('Get a Message photo/text').item.json.message.caption }}",
"rightValue": ""
}
]
}
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "5eeb91bb-c816-45b4-ab16-39415cef6405",
"name": "テキストメッセージと挨拶を処理",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
96,
160
],
"parameters": {
"text": "={{ $json.message.text }}",
"options": {
"systemMessage": "=You are an ingredient analysis assistant. \nYour main job is to analyze product ingredients and provide insights such as: \n- Advantages \n- Disadvantages \n- Who should use it \n- Who should avoid it \n- Final Verdict (Use / Do Not Use) \n\nRules: \n\n--- If the user provides a list of ingredients, respond with a structured analysis using markdown format with bold headers: \n **Advantages** \n **Disadvantages** \n **Recommended For** \n **Not Recommended For** \n **Final Verdict** \n\n--- If the user greets you or sends casual small-talk (e.g., \"hi\", \"hello\", \"how are you\"), reply in a friendly way. Example: \n \"Hey! I’m fine 😃 Please upload a photo of the product’s ingredients and I’ll tell you whether you should use it or not.\" \n\n--- If the user asks about something unrelated to ingredients (e.g., sports, politics, weather), politely redirect them. Example: \n \"⚠️ I can only help with product ingredient analysis. Please share product ingredients or upload a photo of the label for review.\" \n\n4. Always keep the tone clear, helpful, and user-friendly. \n"
},
"promptType": "define"
},
"typeVersion": 2.2
},
{
"id": "6b3650d2-31c1-4e0c-bf7f-151cbbc39ce6",
"name": "会話的な返信を送信",
"type": "n8n-nodes-base.telegram",
"position": [
416,
160
],
"webhookId": "e03cccf2-8660-4cc0-8508-328a56b1a2a9",
"parameters": {
"text": "={{ $json.output }}",
"chatId": "={{ $('Get a Message photo/text').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "PFSwgv89YFhycXc3",
"name": "Telegram account"
}
},
"typeVersion": 1.2
},
{
"id": "72e77331-2127-4c9e-abba-9c7403aa82f4",
"name": "メッセージに写真が含まれているか確認",
"type": "n8n-nodes-base.if",
"position": [
-96,
16
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "c7623137-fcd6-43be-b941-6c527bc2e63f",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.message.photo[3].file_id }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "fc2ccb12-fe74-4c0b-91b0-8f978b7e369b",
"name": "付箋",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1136,
-672
],
"parameters": {
"width": 2416,
"height": 1552,
"content": "# 📌 Product Ingredient Analyzer Bot\n## 🔄What this workflow does\n- Telegram bot that analyzes product ingredients from photos using Google Gemini AI. \nProvides health & safety recommendations based on user context.\n\n## 🧩 How it works\n1. 📥 Get a Message photo/text\n- Listens for Telegram messages (photos or text)\n\n\n\n2. 🔍 Checks if message contains photo\n- Has photo → Extract ingredients\n- No photo → Handle as text chat\n\n\n\n📸 Photo Branch\n3. 📂 Retrieves photo → 🤖 Analyzes with Gemini\n- Extracts ingredient list from product label\n- Ignores brand names and nutritional info\n\n\n\n4. 🔀 Routes based on caption\n- With caption → Simple Use/Don't Use verdict\n- No caption → Detailed 4-category analysis\n\n\n\n5. 📤 Sends response\n- With caption: Bold recommendation + reason\n- Without caption: Advantages, Disadvantages, Recommended For, Not Recommended For (3 points each)\n\n\n\n💬 Text Branch\n6. 🤝 Handles text messages\n- Greetings → Friendly prompt to upload photo\n- Ingredient list → Provides analysis\n- Off-topic → Polite redirect\n\n\n## ✅ Sample Messages\n### Photo + caption \"sensitive skin\":\n- Do Not Use\n-- Contains SLS and fragrances that irritate sensitive skin.\n\n### Photo only:\n- Advantages\n• Hyaluronic acid for hydration\n• Niacinamide reduces inflammation\n• Vitamin E protection\n- Disadvantages\n• Contains parabens\n• Synthetic fragrance\n• May clog pores\n\n### Text \"Hi\":\n- Hey! 😃 Upload a product photo and I'll analyze the ingredients.\n\n\n## 💡 Best for\n-🧴 Skincare \n• 🧼 Hair care \n• 🍫 Food labels \n• 🧽 Cleaning products\n\n## ⚠️ Requirements\n- Telegram bot token\n- Google Gemini API credentials"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "a223be73-0476-435b-81c8-cb791ceaad47",
"connections": {
"a8169fcb-ebf7-4aab-ab3c-e3fb4f4ea181": {
"main": [
[
{
"node": "72e77331-2127-4c9e-abba-9c7403aa82f4",
"type": "main",
"index": 0
}
]
]
},
"90b0a91c-bba7-41f3-8d90-af4947a7da10": {
"ai_languageModel": [
[
{
"node": "492eb15b-d490-47b7-9ecd-0f31bef855fd",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"716161e7-f0bb-4e4c-b0e2-ec98d4e199ff": {
"ai_outputParser": [
[
{
"node": "492eb15b-d490-47b7-9ecd-0f31bef855fd",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"107f1ce4-0198-4a53-8f94-8fb9ffe53370": {
"ai_languageModel": [
[
{
"node": "89350602-2843-4643-97a4-6dab08a54dee",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"5817f756-9d0f-445e-b860-29c530a93f86": {
"ai_languageModel": [
[
{
"node": "5eeb91bb-c816-45b4-ab16-39415cef6405",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"d3996282-5fb7-4e0e-8d1d-195b5703ac59": {
"ai_outputParser": [
[
{
"node": "89350602-2843-4643-97a4-6dab08a54dee",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"72e77331-2127-4c9e-abba-9c7403aa82f4": {
"main": [
[
{
"node": "d6a1725c-be05-4e59-aab2-462ae3d47ee2",
"type": "main",
"index": 0
}
],
[
{
"node": "5eeb91bb-c816-45b4-ab16-39415cef6405",
"type": "main",
"index": 0
}
]
]
},
"f63050eb-d0f2-4531-b7ce-ae47c5f235dc": {
"main": [
[
{
"node": "492eb15b-d490-47b7-9ecd-0f31bef855fd",
"type": "main",
"index": 0
}
],
[
{
"node": "89350602-2843-4643-97a4-6dab08a54dee",
"type": "main",
"index": 0
}
]
]
},
"d6a1725c-be05-4e59-aab2-462ae3d47ee2": {
"main": [
[
{
"node": "d3486786-42e0-4bbb-8449-ec011df85da6",
"type": "main",
"index": 0
}
]
]
},
"5eeb91bb-c816-45b4-ab16-39415cef6405": {
"main": [
[
{
"node": "6b3650d2-31c1-4e0c-bf7f-151cbbc39ce6",
"type": "main",
"index": 0
}
]
]
},
"d3486786-42e0-4bbb-8449-ec011df85da6": {
"main": [
[
{
"node": "f63050eb-d0f2-4531-b7ce-ae47c5f235dc",
"type": "main",
"index": 0
}
]
]
},
"89350602-2843-4643-97a4-6dab08a54dee": {
"main": [
[
{
"node": "5c6f145c-36b6-4241-8086-890bf8c50fd6",
"type": "main",
"index": 0
}
]
]
},
"492eb15b-d490-47b7-9ecd-0f31bef855fd": {
"main": [
[
{
"node": "08b6a395-6c56-4ca2-b0ec-1c47393f21b0",
"type": "main",
"index": 0
}
]
]
}
}
}よくある質問
このワークフローの使い方は？
上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。
このワークフローはどんな場面に適していますか？
上級 - コンテンツ作成, マルチモーダルAI
有料ですか？
このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス（OpenAI APIなど）は別途料金が発生する場合があります。
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ワークフロー情報
難易度
上級
ノード数17
カテゴリー2
ノードタイプ9
作成者
Parth Pansuriya
@parthpansuriyaI build smart and scalable automation workflows using n8n to simplify tasks, connect apps, and boost productivity. From WhatsApp bots to AI-powered systems, I create seamless automations tailored for business and creators.
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